Skipping breakfast associated with socioeconomic and lifestyle factors in Brazilian adolescents

Omitir o café da manhã está associado a fatores socioeconômicos e de estilo de vida entre adolescentes brasileiros

Poliana Azevedo Santos da Silva Mendalli Froelich Paulo Rogério Melo Rodrigues Barbara da Silva Nalin de Souza Bartira Gorgulho Naiara Ferraz Moreira Ana Paula Muraro About the authors

Abstract

The aim is to estimate the prevalence and evaluate the association of socioeconomic and lifestyle factors with skipping breakfast among Brazilian adolescent students. A cross-sectional study carried out with adolescent ninth-graders from Brazilian public and private schools participating in the 2015 National School Health Survey. The prevalence of skipping breakfast (less than five days/week) and its respective 95% confidence intervals were estimated and stratified by gender according to demographic, socioeconomic, and lifestyle factors, self-perceived body image, and attitudes towards weight. A three-block hierarchical Poisson regression, considering the complex sample design. The prevalence of skipping breakfast was 35.6%, higher among girls than boys. In both genders, skipping breakfast was positively associated with the highest socioeconomic level, morning school shift, paid work, regular consumption of alcoholic beverages, living only with the mother, the father or neither, the irregular consumption of school food and meals with parents, considering oneself too fat/fat and trying to lose weight. In general, skipping breakfast was associated with socioeconomic factors and lifestyle behaviors harmful to health among adolescent students.

Key words:
Breakfast; Adolescent; Skipping; Food consumption

Resumo

O objetivo é estimar a prevalência e avaliar a associação dos fatores socioeconômicos e de estilo de vida com a omissão do café da manhã entre adolescentes escolares brasileiros. Um estudo transversal realizado com adolescentes do 9º ano de escolas públicas e privadas brasileiras participantes da Pesquisa Nacional de Saúde do Escolar de 2015. A prevalência de omissão do café da manhã (menos de cinco dias/semana) e seus respectivos intervalos de confiança de 95% foram estimados e estratificados por sexo de acordo com fatores demográficos, socioeconômicos, estilo de vida, autopercepção da imagem corporal e atitudes em relação ao peso. Uma regressão de Poisson hierárquica de três blocos, considerando o desenho amostral complexo. A prevalência de pular o café da manhã foi de 35,6%, maior entre as meninas do que entre os meninos. Em ambos os sexos, omitir o café da manhã associou-se positivamente com maior nível socioeconômico, turno escolar matutino, trabalho remunerado, consumo regular de bebidas alcoólicas, morar apenas com a mãe, pai ou nenhum dos dois, consumo irregular de alimentação escolar e refeições com os pais, considerar-se muito gordo/gordo e tentar perder peso. Em geral, a omissão do café da manhã foi associada a fatores socioeconômicos e comportamentos de estilo de vida prejudiciais à saúde entre estudantes adolescentes.

Palavras-chave:
Café da manhã; Adolescente; Omissão de refeições; Consumo alimentar

Introduction

The Brazilian Population Food Guide recognizes breakfast as one of the main meals of the day, along with lunch and dinner11 Brasil. Ministério da Saúde (MS). Secretaria de Atenção à Saúde. Guia alimentar para a população brasileira. 2ª ed. Brasília: MS; 2014.. The consumption of breakfast is a healthy eating behavior, as it provides energy to start daily activities and break with the long night fast22 Wesnes KA, Pincock C, Scholey A. Breakfast is associated with enhanced cognitive function in schoolchildren. An internet-based study. Appetite 2012; 59(3):646-649.. Regular consumption of this meal is associated with greater adequacy of nutrient intake among children and adolescents33 Sugiyama S, Okuda M, Sasaki S, Kunitsugu I, Hobara T. Breakfast habits among adolescents and their association with daily energy and fish, vegetable, and fruit intake: a community-based cross-sectional study. Environ Health Prev Med 2012; 17(5):408-414.

4 Barufaldi LA, Magnanini MMF, Abreu GA, Bloch KV. Breakfast: association with food consumption and eating habits among adolescents. Adolesc Saude 2015; 12(2):7-16.
-55 Pereira JL, Castro MA, Hopkins S, Gugger C, Fisberg RM, Fisberg M. Prevalence of consumption and nutritional content of breakfast meal among adolescents from the Brazilian National Dietary Survey. J Pediatr 2018; 94:630-641., along with other healthy habits and behaviors66 Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005; 105(5):743-760.,77 Zakrzewski-Fruer JK, Gillison FB, Katzmarzyk PT, Mire EF, Broyles ST, Champagne CM, Chaput J-P, Denstel KD, Fogelholm M, Hu G, Lambert EV, Maher C, Maia J, Olds T, Onywera V, Sarmiento OL, Tremblay MS, Tudor-Locke C, Standage M, ISCOLE Research Group. Association between breakfast frequency and physical activity and sedentary time: a cross-sectional study in children from 12 countries. BMC Public Health 2019; 19:222..

Despite the importance of consuming breakfast, studies indicate a high prevalence of skipping this meal among adolescents55 Pereira JL, Castro MA, Hopkins S, Gugger C, Fisberg RM, Fisberg M. Prevalence of consumption and nutritional content of breakfast meal among adolescents from the Brazilian National Dietary Survey. J Pediatr 2018; 94:630-641.,66 Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005; 105(5):743-760.. A study involving children and adolescents from 33 countries showed that the prevalence of skipping breakfast ranged from 10% to 33%88 Monzani A, Ricotti R, Caputo M, Solito A, Archero F, Bellone S, Prodam F. A Systematic Review of the Association of Skipping Breakfast with Weight and Cardiometabolic Risk Factors in Children and Adolescents. What Should We Better Investigate in the Future? Nutrients 2019; 11(2):387.. Another study with North American adolescents showed that about half of them (49.3%) consumed breakfast less than five days a week99 Winter VR, Jones A, O'Neill E. Eating Breakfast and Family Meals in Adolescence: The Role of Body Image. Soc Work Public Health 2019; 34(3):230-238..

In Brazil, data from the 2008-2009 National Food Survey showed that 21.5% of boys and 24.8% of girls aged 10-19 were occasional consumers or did not consume breakfast on either food assessment days1010 Monteiro LS, Souza AM, Hassan BK, Estima CCP, Sichieri R, Pereira RA. Breakfast eating among Brazilian adolescents: Analysis of the National Dietary Survey 2008-2009. Rev Nutrição 2017; 30(4):463-476.. According to data from the São Paulo Health Survey (ISA-Capital), 34% of boys and 41.8% of girls aged 12-18 skipped breakfast1111 Marchioni DM, Gorgulho BM, Teixeira J, Verly-Jr E, Fisberg RM. Prevalence of breakfast omission and associated factors among adolescents in São Paulo: ISA-Capital. Nutrire 2015; 40(1):10-20..

The results of the Study on Cardiovascular Risks in Adolescents (ERICA) revealed that the profile of adolescents who do not consume breakfast evidenced in the Brazilian literature consists of female individuals, children of low-schooling mothers, and public school’s students1212 Barufaldi LA, Abreu GA, Oliveira JS, Santos DF, Fujimori E, Vasconcelos. SML, et al. ERICA: prevalence of healthy eating habits among Brazilian adolescents. Rev Saude Publica 2016; 50(Supl. 1):6s..

Assessing the consumption of this meal in this period of life is essential, considering the beneficial effects of regular breakfast intake1313 Szajewska H, Ruszczynski M. Systematic review demonstrating that breakfast consumption influences body weight outcomes in children and adolescents in Europe. Crit Rev Food Sci Nutr 2010; 50(2):113-119. and that the habits acquired in childhood and adolescence tend to last into adulthood1414 World Health Organization (WHO). Growing up unequal: gender and socioeconomic differences in young people's health and well-being. Geneva: WHO; 2016.. However, few studies address the topic at the national level in Brazil. Thus, we aimed to estimate the prevalence and analyze the factors associated with skipping breakfast in Brazilian adolescent students.

Methods

This study’s sample consisted of 102,072 Brazilian students regularly attending ninth grade of the elementary school in public and private schools throughout Brazil, located in rural and urban areas, who participated in the 2015 National School Health Survey (PeNSE). This sample is nationally representative since it covers the 27 federative units, including capitals and municipalities in the inland regions.

The 2015 PeNSE was held in partnership with the Brazilian Institute of Geography and Statistics (IBGE) and the Ministries of Health and Education. It was approved by the National Research Ethics Commission (CONEP) on March 30, 2015 (registration No. 1.006.467). The most detailed description of the methodology adopted for the sampling process is found in the survey publication1515 Instituto Brasileiro de Geografia e Estatística (IBGE). Pesquisa Nacional de Saúde do Escolar (PeNSE). Rio de Janeiro: IBGE; 2016.. Data were collected from April to September 2015 in schools through self-administered questionnaires in smartphone devices, divided into thematic modules. This study adopted questions about sociodemographic, food, school environment, lifestyle, body image, and attitudes towards weight features.

The outcome variable “skipping breakfast” was analyzed by the following question: “Do you usually have breakfast?”, with the answer options: “Yes, every day”, “Yes, 5 to 6 days a week”, “Yes, 3 to 4 days a week”, “Yes, 1 to 2 days a week”, “Rarely” and “No”1515 Instituto Brasileiro de Geografia e Estatística (IBGE). Pesquisa Nacional de Saúde do Escolar (PeNSE). Rio de Janeiro: IBGE; 2016.. Skipping breakfast was considered when the student reported having this meal less than five days/week1616 Tavares LF, Castro IRR, Levy RB, Cardoso LO, Passos MD, Brito FSB. Relative validity of dietary indicators from the Brazilian National School-Based Health Survey among adolescents in Rio de Janeiro, Brazil. Cad Saude Publica 2014; 30(5):1029-1041.. A total of 101,996 students were retained for this study, since 76 students had no information on this variable.

Among the independent variables, the sociodemographic characteristics studied were: gender (male/female); age group (14 years or less/15 years or more); ethnicity/skin color (white, black, yellow, brown, and indigenous), municipality of residence (capital/non-capital); school type (public/ private); study shift (morning, intermediate/full-time, afternoon, and night), paid work (yes/no), maternal schooling level (no study, incomplete elementary school, complete elementary school/incomplete high school, complete high school and higher education), living with parents (living with father and mother; only with mother; only with father; none of the parents) and socioeconomic level. The socioeconomic level was obtained from the report of owning the following items: computer, motorcycle, car, cell phone, bathroom, internet, landline, and a paid domestic worker at home at least three days a week. Each item received a weight equivalent to the inverse frequency of ownership or presence of the total sample. The sum of the respective items’ weights originated from each adolescent’s score, which was then distributed in tertiles1717 Martins BG, Ricardo CZ, Machado PP, Rauber F, Azevedo CM, Levy RB. Fazer refeições com os pais está associado à maior qualidade da alimentação de adolescentes brasileiros. Cad Saude Publica 2019; 35(7):e00153918..

Since 24.9% (n=25,434) of the students did not know how to inform the maternal schooling level, the variable went through the Multiple Imputation by Chained Equations (MICE) method, which is the most suitable in this case1818 Royston P, White IR. Multiple Imputation by Chained Equations (MICE): Implementation in Stata. J Stat Software 2011; 45(4):1-20.. The multiple imputation method fills in the missing values in the database, which allows using statistical methods directed to the processing of complete data1919 Rubin DB. Multiple imputation for nonresponse in surveys. New York: Wiley; 1987.. The predictive variables considered for imputation were gender, family goods (car, landline, cell phone, number of household bathrooms), and services (housekeeper and home internet access), as previously performed by Azeredo et al.2020 Azeredo CM, Rezende LFM, Canella DS, Claro RM, Castro IRR, Luiz OC, Levy RB. Dietary intake of Brazilian adolescents. Public Health Nutr 2015; 18(7):1215-1224..

The food-related variables were having lunch or dinner with parents, consuming school meals, and a canteen at school. The habit of eating meals with parents was categorized into regular (≥5 days/week) and irregular (<5 days/week)2121 Condessa LA, Chaves OC, Silva FM, Malta DC, Caiaffa WT. Fatores socioculturais associados à atividade física de meninos e meninas: PeNSE 2012. Rev Saude Publica 2019; 53:25.. The regular intake of school meals was when adolescents reported consuming school meals three or more times a week2222 Locatelli NT, Canella DS, Bandoni DH. Factors associated with the consumption of school meals by Brazilian adolescents: results of the PeNSE survey 2012. Cad Saude Publica 2017; 33(4):1-10.. A school canteen was also assessed (yes/no) according to the report of the school principal or responsible.

The physical activity level was assessed from questions related to commuting to school, leisure activities, and physical education classes at school, considering duration and frequency. Through the answers, the adolescents were classified as active (those who performed physical activity for at least 300 minutes per week) insufficiently active (adolescents who performed up to 299 minutes of physical activity per week), and inactive (those who did not perform physical activity during the week)2323 World Health Organization (WHO). Global recommendations on physical activity for health. Geneva: WHO; 2010.,2424 Hallal PC, Knuth AG, Cruz DKA, Mendes MI, Malta DC. Physical activity practice among Brazilian adolescents. Cien Saude Colet 2010; 15(2):3035-3042..

Sedentary behaviors, in hours per day, were assessed by the question: “On a typical weekday, how long do you sit watching television, using a computer, playing video games, talking with friends, or doing other activities while sitting? (not counting Saturdays, Sundays, holidays, and school sitting time)”. Despite the recommendation of the World Health Organization (WHO) that children and adolescents do not exceed two hours of daily sedentary activities, for analysis, in this study, adolescents who remained seated for more than four hours per day performing sedentary activities were classified as sedentary2525 Dias PJP, Domingos IP, Ferreira MG, Muraro AP, Sichieri R, Silva RMVG. Prevalence and factors associated with sedentary behavior in adolescents. Rev Saude Publica 2014; 48(2):266-274.. Regarding health risk behaviors, we considered regular use of cigarettes and alcohol consumption when reported by the adolescent at least one day in the 30 days before the survey. The WHO definitions were used for both variables2626 Health Behavior in School Aged Children (HBSC). Los adolescentes españoles y su salud. Espanha: Ministério de Sanidad y Consumo; 2005..

The perceived body image was investigated by the question “As for your body, do you consider yourself very thin, thin, normal, fat, or very fat?”. Regarding the analyses, adolescents were classified as very thin/thin, normal, and very fat/fat2727 Claro RM, Santos MAS, Campos MO. Body image and extreme attitudes toward weight in Brazilian schoolchildren (PeNSE 2012). Rev Bras Epidemiol PeNSE 2014; (Supl.) 146-157.. Attitudes toward body weight were assessed by the following question “What are you doing regarding your weight?” with answers categorized as “nothing”, “trying to lose weight”, “attempting to gain weight”, and “attempting to keep weight”2828 Oliveira MM, Andrade SSCA, Stopa SR, Malta DC. Demand for health services or professionals among Brazilian adolescents according to the National School Health Survey 2015. Rev Bras Epidemiol 2018; 21(1):1-14..

Prevalence, the respective 95% confidence intervals, and a 0.05 significance level were estimated for skipping breakfast according to the general population’s independent variables and stratified by gender, using the Chi-square test with second-order Rao-Scott adjustment. The variables with a significant difference regarding the prevalence of skipping breakfast were considered in the Poisson regression model with robust variance and a 5% significance level. The model was defined in three levels: distal (sociodemographic variables), adjusted by same-level variables, intermediate level (lifestyle and school-related variables), adjusted by the variables of the previous level and this level, and proximal (variables referring to body image and attitudes towards weight), adjusted by the variables of the level itself and the previous ones, according to the backward selection model. The variables with a statistical significance at the 5% level (p-value <0.05) in the block belonging to and adjusted by the previous level block remained in the final model. The analyses were performed using the Stata version 12 statistical program.

Results

The prevalence of skipping breakfast was 35.6% (95%CI: 34.7;36.5), and was higher among girls (42.5%; 95%CI: 41.5;43.6), compared to boys (28.3%; 95%CI: 27.4;29.3). Assessing the sociodemographic and economic characteristics, we found that the proportion of students in both genders who skipped breakfast was more frequent among those with mothers with higher schooling level, capital residents, engaged in paid work, belonging to the highest socioeconomic levels, studying in the morning shift, and not living with their parents.

We observed that skipping breakfast was more prevalent among white adolescents than among brown ones, with no difference for the other categories. Boys who studied in the private school network skipped breakfast the most, and no significant difference for this variable was observed among girls (Table 1).

Table 1
Breakfast omission among Brazilian adolescents according to demographic and socioeconomic characteristics, stratified by sex. Brazil, 2015.

When analyzing the behaviors of lifestyle and body image, we found that skipping breakfast was greater among sedentary boys and girls who reported using cigarettes and drinking alcohol, studied in schools with canteens, irregularly consuming school meals and meals with their parents, who considered themselves very fat/fat, and attempted to lose weight. The proportion of adolescents who perceived themselves as “fat/very fat” was 54.4% (95%CI: 52.8;56.1) for girls, higher than among boys (40.7%; 95% CI: 38.6;42.9), and more than half of the girls reported trying to lose weight (51.1%; 95%CI: 49.6;52.7) (Table 2).

Table 2
Breakfast omission among Brazilian adolescents according to lifestyle behaviors and body image, stratified by sex. Brazil, 2015.

In the hierarchical Poisson regression, only the variables related to the age group, type of municipality, ethnicity/skin color, and physical activity level in both genders did not remain associated with skipping breakfast (Tables 3 and 4). The variables referring to maternal schooling, tobacco use in females, and available canteens and school type in males, did not remain associated with skipping breakfast.

Table 3
Hierarchical Poisson regression model of breakfast omission among male Brazilian adolescents. Brazil, 2015.
Table 4
Hierarchical Poisson regression model of breakfast omission among Brazilian female adolescents. Brazil, 2015.

At the distal level of the hierarchical model, we observed, for both genders, the highest prevalence of skipping breakfast among students of the highest socioeconomic levels, compared to the first tertile, who studied in the morning shift when compared to the afternoon shift, and who engaged in paid work compared to those who did not. Boys whose mothers had a higher schooling level, who studied at night, and girls who studied at a public school, were more likely to skip breakfast (Tables 3 and 4).

At the intermediate level, for both genders, the regular intake of alcohol, sedentary behavior, and irregular consumption of school meals and meals with parents were positively associated with skipping breakfast. A higher likelihood of skipping breakfast was observed among girls who visited canteen schools and among boys with regular tobacco use. At the proximal level, considering oneself too fat/fat, trying to lose weight in both genders, and considering oneself too thin/thin for girls were positively associated with skipping breakfast. On the other hand, considering oneself very thin/thin for boys and maintaining and gaining weight for both genders were inversely associated with skipping breakfast (Tables 3 and 4). When this perception was evaluated regarding skipping breakfast, self-perceiving as very fat/fat was positively associated with skipping breakfast in both genders.

Discussion

More than a third of the Brazilian adolescents evaluated in the National School Health Survey skipped breakfast, which was higher in females than males. In both genders, skipping this meal was higher among adolescents of higher socioeconomic level, who studied in the morning shift, who were engaged in paid work, who did not live with their parents, were sedentary, with regular alcohol intake, and who consumed irregularly school meals and meals with parents, those who considered themselves too fat/fat, and those who attempted to lose weight. Maternal schooling level and tobacco use were positively associated with skipping breakfast only among boys, while the presence of a canteen and studying in a private school was associated with skipping the meal only among girls.

The prevalence of omission observed in this study was similar to that found in PeNSE 2012 (38.1%)2929 Instituto Brasileiro de Geografia e Estatística (IBGE). Pesquisa Nacional de Saúde do Escolar (PeNSE). Rio de Janeiro: IBGE; 2013. and higher than that observed in another Brazilian study, in which 19% did not consume breakfast or consumed it in only one of the two evaluation days55 Pereira JL, Castro MA, Hopkins S, Gugger C, Fisberg RM, Fisberg M. Prevalence of consumption and nutritional content of breakfast meal among adolescents from the Brazilian National Dietary Survey. J Pediatr 2018; 94:630-641.. This variation in prevalence can be understood by the different definitions attributed to breakfast and the cutoff points used to classify skipping3030 Trancoso SC, Cavalli SB, Proença RPC. Breakfast: characterization, consumption and importance for health. Rev Nutr 2010; 23(5):859-869.. Marchioni et al.1111 Marchioni DM, Gorgulho BM, Teixeira J, Verly-Jr E, Fisberg RM. Prevalence of breakfast omission and associated factors among adolescents in São Paulo: ISA-Capital. Nutrire 2015; 40(1):10-20. considered breakfast as the first meal consumed from waking up to 11 am, from Monday to Friday, or until 11:30 am. on weekends, skipping was considered not consuming food or drink during this period. In turn, Pereira et al.55 Pereira JL, Castro MA, Hopkins S, Gugger C, Fisberg RM, Fisberg M. Prevalence of consumption and nutritional content of breakfast meal among adolescents from the Brazilian National Dietary Survey. J Pediatr 2018; 94:630-641. considered breakfast as the first meal moment informed by most of the study participants, which was from 6 am to 9:59 am. The authors classified the participants as consumers (consumed breakfast in the two evaluation days), occasional consumers (consumed breakfast in just one evaluation day), and non-consumers (did not consume breakfast in both evaluation days).

The positive association of females with skipping breakfast was also found in several previous studies88 Monzani A, Ricotti R, Caputo M, Solito A, Archero F, Bellone S, Prodam F. A Systematic Review of the Association of Skipping Breakfast with Weight and Cardiometabolic Risk Factors in Children and Adolescents. What Should We Better Investigate in the Future? Nutrients 2019; 11(2):387.,3131 Kennedy S, Davies EL, Ryan L, Clegg ME. Applying an extended theory of planned behaviour to predict breakfast consumption in adolescents. Eur J Clin Nutr 2017; 71(5):607-613.

32 Fiuza RFP, Muraro AP, Rodrigues PRM, Sena EMS, Ferreira MG. Skipping breakfast and associated factors among Brazilian adolescents. Rev Nutri 2017; 30(5):615-626.
-3333 Smith KJ, Breslin MC, McNaughton SA, Gall SL, Blizzard L, Venn AJ. Skipping breakfast among Australian children and adolescents; findings from the 2011-12 National Nutrition and Physical Activity Survey. Aust NZ J Public Health 2017; 41:572-578.. A possible explanation is a dissatisfaction with body image, and the girls understand this practice as a weight control option and adaptation to the acceptable standard66 Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005; 105(5):743-760.. Hassan et al.3434 Hassan BK, Cunha DB, Veiga GV, Pereira RA, Sichieri R. Changes in breakfast frequency and composition during adolescence: The Adolescent Nutritional Assessment Longitudinal Study, a cohort from Brazil. PloS One 2018; 13(7):1-17. found that girls aged 10-16 who consume breakfast irregularly are more likely to engage in a diet than girls who consume breakfast regularly.

The association between age and skipping breakfast has been observed in previous studies. However, this study showed no significant association in both genders, corroborating the findings of Hallström et al.3535 Hallström L, Labayen I, Ruiz JR, Patterson E, Vereecken CA, Breidenassel C, Gottrand F, Huybrechts I, Manios Y, Mistura L, Widhalm K, Kondaki K, Moreno LA, Sjöström M; HELENA Study Group. Breakfast consumption and CVD risk factors in European adolescents: the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Study. Public Health Nutr 2012; 16(7):1296-1305., who analyzed the data of European adolescents participating in the study Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA-CSS). Notwithstanding this, evidence reveals in children and adolescents that the higher the age, the lower the consumption of breakfast, which can be explained by the decreased influence of parents and higher autonomy with age66 Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005; 105(5):743-760.,3636 Rampersaud GC. Benefits of breakfast for children and adolescents: update and recommendations for practitioners. Am J Lifestyle Med 2009; 3(2):86-103.,3737 Lago RR, Ribeiro THT, Souza MNC. Eating Habits of adolescents: a literature review. Adolesc Saude 2016; 13(4):98-103..

Among the reasons for not consuming regular or daily breakfast, children and adolescents report not having time, not feeling hungry in the morning, and taking the time to sleep more66 Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005; 105(5):743-760.,3030 Trancoso SC, Cavalli SB, Proença RPC. Breakfast: characterization, consumption and importance for health. Rev Nutr 2010; 23(5):859-869., which is also a possible explanation for the higher prevalence of skipping breakfast in this study among adolescents studying in the morning shift. In a study that evaluated the association between eating habits and the diet quality of Brazilian adolescents, Rodrigues et al.3838 Rodrigues PRM, Luiz RR, Monteiro LS, Ferreira MG, Gonçalves-Silva RMV, Pereira RA. Adolescents' unhealthy eating habits are associated with meals skipping. Nutrition 2017; 42:114-120. also observed that students in the afternoon period consumed breakfast more frequently than those who studied in the morning shift.

Skipping breakfast was positively associated with a higher socioeconomic level, corroborating the study conducted with data from Brazilian adolescents participating in the 2008-2009 National Food Survey55 Pereira JL, Castro MA, Hopkins S, Gugger C, Fisberg RM, Fisberg M. Prevalence of consumption and nutritional content of breakfast meal among adolescents from the Brazilian National Dietary Survey. J Pediatr 2018; 94:630-641.. Contrary to what was observed, Hallstrom et al.3939 Hallstrom L, Vereecken CA, Ruiz JR, Patterson E, Gilbert CC, Catasta G, Díaz LE, Gómez-Martínez S, González Gross M, Gottrand F, Hegyi A, Lehoux C, Mouratidou T, Widham K, Aström A, Moreno LA, Sjöström M. Breakfast habits and factors influencing food choices at breakfast in relation to sociodemographic and family factors among European adolescents. The HELENA Study. Appetite 2011; 56:649-657. found in their study that the consumption of breakfast was more frequent among adolescents of higher economic level compared to those of lower economic level, as observed by MacDiarmid et al.4040 MacDiarmid J, Loe J, Craig LC, Masson LF, Holmes B, McNeill G. Meal and snacking patterns of school-aged children in Scotland. Eur J Clin Nutr 2009; 63:1297-1304. among Scottish adolescents. Also, in this study, boys born to mothers with a higher schooling level were more likely to skip breakfast, which is also a factor that reflects their socioeconomic level.

School meals are a student’s right guaranteed by implementing the National School Food Program (PNAE), which is considered an essential strategy for promoting healthy eating4141 Brasil. Constituição da República Federativa do Brasil de 1988. Diário Oficial da União 1988; 5 out.,4242 Brasil. Lei nº 11.947, de 16 de junho de 2009. Dispõe sobre o atendimento da alimentação escolar e do Programa Dinheiro Direto na Escola aos alunos da educação básica; altera as Leis nos 10.880, de 9 de junho de 2004, 11.273, de 6 de fevereiro de 2006, 11.507, de 20 de julho de 2007; revoga dispositivos da Medida Provisória no 2.178-36, de 24 de agosto de 2001, e a Lei 8913, de 12 de julho de 1994; e dá outras providências. Diário Oficial da União 2009; 17 jun.. The program offers food for all public primary education students during their stay in schools, and breakfast is one of the meals provided4343 Brasil. Todos pela Educação. Anuário Brasileiro da Educação Básica 2019. São Paulo: Moderna; 2019.. Thus, the lowest proportion of skipping breakfast may occur among adolescents of lower socioeconomic status, from public schools, students from schools without a canteen, or adherence to the PNAE.

Living only with the mother, the father, or neither was associated with a higher prevalence of skipping breakfast in both genders. The household is an essential factor in the children’s food consumption since food choices are transmitted to them by repeating these habits4444 Costa ALF, Duarte DE, Kuschnir MCC. A família e o comportamento alimentar na adolescência. Rev Adolesc Saude 2010; 7(3):52-58.,4545 Cardoso S, Santos O, Nunes C, Loureiro I. Escolhas e hábitos alimentares em adolescentes: associação com padrões alimentares do agregado familiar. Rev Port Saude Publica 2015; 33(2):128-136..

Although it does not show much interference in adolescents’ dietary decisions compared to children, studies show that eating with parents is associated with better eating habits1717 Martins BG, Ricardo CZ, Machado PP, Rauber F, Azevedo CM, Levy RB. Fazer refeições com os pais está associado à maior qualidade da alimentação de adolescentes brasileiros. Cad Saude Publica 2019; 35(7):e00153918.,4646 Madruga SW, Araújo CLP, Bertoldi AD, Neutzling MB. Manutenção dos Padrões Alimentares da Infância à Adolescência. Rev Saude Publica 2012; 46(2):376-386.,4747 Dallacker M, Hertwig R, Mata J. The frequency of family meals and nutritional health in children: a meta-analysis. Obes Rev 2018; 19(5):638-653.. Thus, this study evidenced that adolescents who regularly consumed meals with their parents were less likely to skip breakfast. Family monitoring of adolescents is a protective effect for risk behaviors such as tobacco, alcohol, and drug use4848 Malta DC, Porto DL, Melo FCM, Monteiro RA, Sardinha LMV, Lessa BH. Family and the protection from use of tobacco, alcohol, and drugs in adolescents, National School Health Survey. Rev Bras Epidemiol 2011; 14(Supl. 1):166-177..

The positive relationship between tobacco use and skipping breakfast was only observed in males, while regular alcohol consumption and sedentary behavior was associated with both genders. Kapantais et al.4949 Kapantais E, Chala E, Kaklamanou D, Lanaras L, Kaklamanou M, Tzotzas T. Breakfast skipping and its relation to BMI and health-compromising behaviours among Greek adolescents. Public Health Nutr 2010; 14(1):101-108. observed that the weekly consumption of alcoholic beverages and the number of cigarettes smoked daily among Greek schoolchildren aged 13-19 was higher among adolescents of both genders who skipped breakfast.

The results of a study that evaluated children and adolescents from 12 countries showed that a higher proportion of time performing moderate/vigorous physical activity and light physical activity in the morning and less sedentary activity time were associated with frequent breakfast consumption77 Zakrzewski-Fruer JK, Gillison FB, Katzmarzyk PT, Mire EF, Broyles ST, Champagne CM, Chaput J-P, Denstel KD, Fogelholm M, Hu G, Lambert EV, Maher C, Maia J, Olds T, Onywera V, Sarmiento OL, Tremblay MS, Tudor-Locke C, Standage M, ISCOLE Research Group. Association between breakfast frequency and physical activity and sedentary time: a cross-sectional study in children from 12 countries. BMC Public Health 2019; 19:222.. Another study that described the frequency of breakfast consumption among Chinese adolescents and examined the association with other behaviors found that computer use and tobacco and alcohol intake were inversely associated with daily breakfast consumption5050 Wang M, Zhong JM, Wang H, Zhao M, Gong WW, Pan J, Fei FR, Wu HB, Yu M. Breakfast Consumption and Its Associations with Health-Related Behaviors among School-Aged Adolescents: A Cross-Sectional Study in Zhejiang Province, China. Int J Environ Res Public Health 2016; 13(8):761.. Insufficient physical activity, tobacco use, unhealthy eating, and alcohol abuse are considered health risk behaviors that tend to group in the opposite direction to health-friendly behaviors5151 Leech RM, McNaughton SA, Timperio A. The clustering of diet, physical activity and sedentary behavior in children and adolescents: a review. Int J Behav Nutr Phys Act 2014; 11:4.,5252 Ricardo CZ, Azeredo CM, Rezende LFM, Levy RB. Co-occurrence and clustering of the four major non-communicable disease risk factors in Brazilian adolescents: Analysis of a national school-based survey. PLoS One 2019; 14(7):1-13..

As in this edition of PeNSE, the previous one showed a positive association between the consumption of school meals and breakfast among students2222 Locatelli NT, Canella DS, Bandoni DH. Factors associated with the consumption of school meals by Brazilian adolescents: results of the PeNSE survey 2012. Cad Saude Publica 2017; 33(4):1-10., indicating that consuming school meals may be related to healthier eating behaviors. Also, the presence of a canteen in the school was positively associated with skipping breakfast among girls. Evaluating the same data from this study, Noll et al.5353 Noll PRS, Noll M, Abreu LC, Baracat EC, Silveira EA, Sorpreso ICE. Ultra-processed food consumption by Brazilian adolescents in cafeterias and school meals. Sci Rep 2019; 9(1):1-8. found that the availability of a canteen was associated with a higher likelihood to consume ultraprocessed foods among students. Thus, it is suggested that skipping breakfast among adolescents may be related to the replacement of this meal by other foods purchased at the school canteen, which meet their food preference.

This study has some limitations since using a self-administered questionnaire in a survey can hinder participants’ understanding of questions, which is a possible cause of information bias. However, measures were taken to minimize possible flaws, such as choosing ninth-graders to participate in the survey, justified by the higher level of schooling that facilitates understanding the questionnaire1515 Instituto Brasileiro de Geografia e Estatística (IBGE). Pesquisa Nacional de Saúde do Escolar (PeNSE). Rio de Janeiro: IBGE; 2016.. Furthermore, the definition and variability in the cutoff points used by the studies to classify skipping breakfast can influence the results and their interpretation. In this study, we chose to consider skipping as consuming fewer than five times a week, considering the importance of regular intake of this meal, and changes in adolescent eating habits, such as skipping meals during the weekend5454 Silva DCA, Frazão IS, Osório MM, Vasconcelos MGL. Percepção de adolescentes sobre a prática de alimentação saudável. Cien Saude Colet 2015; 20(11):3299-3308.. Also, the PeNSE questionnaire only considered the students’ perception of the concept of breakfast.

A strong point of this study is using PeNSE data, which have significant breadth and represent Brazil. Considering the limited national studies analyzing factors associated with the habit of skipping breakfast in this age group, this study contributes to knowledge by analyzing a nationally representative sample of schoolchildren aged 10-19, evaluating a wide range of demographic, socioeconomic, and lifestyle-related risk behavior characteristics among adolescents.

We conclude by saying that skipping breakfast is associated with demographic, socioeconomic, and lifestyle behavior factors among Brazilian adolescent students. The study’s findings also highlight the need to give special attention to the specific female audience, considering that they are more likely to skip breakfast.

Mapping adolescents’ behavior and eating habits allows employing more appropriate strategies for the adjustment of inappropriate standards, considering that this is a moment for consolidating practices that can interfere in adult life.

Acknowledgments

The authors are extremely grateful to the parents, adolescents and study staff who made this study possible.

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  • Funding

    Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES/Proex - master scholarship).

Publication Dates

  • Publication in this collection
    16 Sept 2022
  • Date of issue
    Oct 2022

History

  • Received
    06 Apr 2022
  • Accepted
    17 June 2022
  • Published
    19 June 2022
ABRASCO - Associação Brasileira de Saúde Coletiva Rio de Janeiro - RJ - Brazil
E-mail: revscol@fiocruz.br