Sociodemographic factors associated with the consumption of ultra-processed foods in Colombia

Neha Khandpur Gustavo Cediel Daniel Ayala Obando Patrícia Constante Jaime Diana C. Parra About the authors

ABSTRACT

OBJECTIVE

To analyze the consumption of ultra-processed foods in the Colombian population across sociodemographic factors.

METHODS

We used data from the 2005 National Survey of the Nutritional Status in Colombia. Food consumption was assessed using a 24-hour food recall in 38,643 individuals. The food items were classified according to the degree and extent of industrial processing using the NOVA classification.

RESULTS

The mean calorie contribution of ultra-processed foods ranged from 0.2% in the lowest quintile of consumers to 41.1% in the highest quintile of consumers. The greatest increases were due to the consumption of industrialized breads, sweet and savory snacks, sugary drinks, processed meats, and confectionery. No major differences were found in the consumption of ultra-processed foods between men and women. We observed significant differences by age, socioeconomic status, area of residence, and geographic region. Children and adolescents showed a higher intake of ultra-processed foods, almost double that of participants over 50 years of age. Children consumed significantly more snacks, confectionery products, processed cereals, milk-based drinks and desserts. Participants over 50 years consumed fewer products from these sub-groups of ultra-processed foods but had the highest consumption of industrialized bread. Individuals from urban areas, those with high socioeconomic status, participants residing in the Bogotá region had 1.5 to 1.7 times higher calorie intake from ultra-processed foods compared with those from a lower socioeconomic status and those residing in rural regions.

CONCLUSION

In Colombia, industrialized bread is the ultra-processed product that is most easily assimilated into the traditional diet, along with snacks and sugary drinks. Children and adolescents residing in urban areas and households with greater purchasing power have some of the highest intakes of ultra-processed foods in the country.

Food Consumption; Ultra-processed Foods; Socioeconomic Factors; Colombia; Diet Surveys

INTRODUCTION

Ultra-processed foods are industrial formulations made from substances derived from whole foods. Generally, they contain little or no natural foods, and have a high content of fat, salt, or/and sugar, and a low content of dietary fiber, proteins, micronutrients, and bioactive compounds. Examples of ultra-processed foods include snacks like industrialized ice cream, sugary drinks, chocolates, confectionery, french fries, hamburgers, and hot dogs11. Monteiro CA, Cannon G, Moubarac JC, Levy RB, Louzada MLC, Jaime PC. The UN Decade of Nutrition, the NOVA food classification and the trouble with ultra-processing. Public Health Nutr. 2018;21(1):5-17. https://doi.org/10.1017/S1368980017000234
https://doi.org/10.1017/S136898001700023...
,22. Monteiro CA, Cannon G, Levy RB, Moubarac JC, Louzada ML, Rauber F, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutr. 2019;22(5):936-41. https://doi.org/10.1017/S1368980018003762
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. These products are characterized by being ready to consume, hyperpalatable, extensively marketed, and having a long shelf life11. Monteiro CA, Cannon G, Moubarac JC, Levy RB, Louzada MLC, Jaime PC. The UN Decade of Nutrition, the NOVA food classification and the trouble with ultra-processing. Public Health Nutr. 2018;21(1):5-17. https://doi.org/10.1017/S1368980017000234
https://doi.org/10.1017/S136898001700023...
.

Ultra-processed foods reflect a dietary pattern associated with a high content of nutrients related to chronic diseases22. Monteiro CA, Cannon G, Levy RB, Moubarac JC, Louzada ML, Rauber F, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutr. 2019;22(5):936-41. https://doi.org/10.1017/S1368980018003762
https://doi.org/10.1017/S136898001800376...
. These products dominate the food environment in developed countries, contributing almost 60.0% of the total energy consumed in the United States66. Baraldi LG, Steele EM, Canella DS, Monteiro CA. Consumption of ultra-processed foods and associated sociodemographic factors in the USA between 2007 and 2012: evidence from a nationally representative cross-sectional study. BMJ Open. 2018;8(3):e020574. https://doi.org/10.1136/bmjopen-2017-020574
https://doi.org/10.1136/bmjopen-2017-020...
, and 50.0% in Canada77. Moubarac JC, Batal M, Louzada ML, Steele EM, Monteiro CA. Consumption of ultra-processed foods predicts diet quality in Canada. Appetite. 2017;108:512-20. https://doi.org/10.1016/j.appet.2016.11.006
https://doi.org/10.1016/j.appet.2016.11....
. The high consumption of ultra-processed foods and the evidence showing an association with adverse health outcomes, such as obesity, metabolic syndrome, and breast cancer88. Fiolet T, Srour B, Sellem L, Kesse-Guyot E, Allès B, Méjean C, et al. Consumption of ultra-processed foods and cancer risk: results from NutriNet-Santé prospective cohort. BMJ. 2018;360:k322. https://doi.org/10.1136/bmj.k322
https://doi.org/10.1136/bmj.k322...
,99. Canella DS, Levy RB, Martins APB, Claro RM, Moubarac JC, Baraldi, LG, et al. Ultra-processed food products and obesity in Brazilian households (2008-2009). PloS One. 2014;9(3);e92752. https://doi.org/10.1371/journal.pone.0092752
https://doi.org/10.1371/journal.pone.009...
, have resulted in efforts to reduce the intake of these products through regulation 1010. Corvalán C, Reyes M, Garmendia ML, Uauy R. Structural responses to the obesity and non-communicable diseases epidemic: the Chilean Law of Food Labeling and Advertising. Obes Rev. 2013;14 Suppl 2:S79-87. https://doi.org/10.1111/obr.12099
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,1111. Alvarado M, Unwin N, Sharp SJ, Hambleton I, Murphy MM, Samuels TA, et al. Assessing the impact of the Barbados sugar-sweetened beverage tax on beverage sales: an observational study. Int J Behav Nutr Phys Act. 2019;16(1):13. https://doi.org/10.1186/s12966-019-0776-7
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.

Ultra-processed foods contributed an average of 16.0% of the total daily calories in Colombia in 200555. Parra DC, Louzada MLC, Moubarac JC, Levy RB., Khandpur N, Cediel G, et al. The association between ultra-processed food consumption and the nutrient profile of the Colombian diet in 2005. Salud Publica Mex. 2019;61(2):147-54. https://doi.org/10.21149/9038
https://doi.org/10.21149/9038...
. However, the combination of market forces, the increase in confidence to invest in the country following the end of the armed conflict, and the increase in purchasing power suggest an accelerated growth in the purchase and consumption of ultra-processed foods in the country1212. Bejarano-Roncancio J, Gamboa-Delgado EM, Aya-Baquero DH, Parra DC. Los alimentos y bebidas ultra-procesados que ingresan a Colombia por el tratado de libre comercio:¿ influirán en el peso de los colombianos? Rev Chil Nutr. 2015;42(4):409-13. https://doi.org/10.4067/S0717-75182015000400014
https://doi.org/10.4067/S0717-7518201500...
. Colombia is experiencing a nutritional, economic, and demographic transition, characterized by the decrease in the consumption of traditional meals, and an increase in urbanization and income, influenced by changing structures in the labor market1313. Mejía D, Ramirez MT, Tamayo J. The demographic transition in Colombia: theory and evidence. Bogotá, D,C.: Banco de la Republica; 2008 [citado 18 mar 2018]. (Serie Borradores Economia, 538). Available from: http://www.banrep.gov.co/es/node/189
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,1414. OECD Colombia. OECD Economic Surveys Colombia: overview. Bogotá; 2015 [citado 15 abr 2018]. Available from: https://www.oecd.org/eco/surveys/Overview_Colombia_ENG.pdf
https://www.oecd.org/eco/surveys/Overvie...
. Changes in market regulation in Colombia and the introduction of free trade agreements with countries that export ultra-processed foods ensure an increasing supply of these products1212. Bejarano-Roncancio J, Gamboa-Delgado EM, Aya-Baquero DH, Parra DC. Los alimentos y bebidas ultra-procesados que ingresan a Colombia por el tratado de libre comercio:¿ influirán en el peso de los colombianos? Rev Chil Nutr. 2015;42(4):409-13. https://doi.org/10.4067/S0717-75182015000400014
https://doi.org/10.4067/S0717-7518201500...
. Euromonitor International data show an annual percentage growth of more than 6.0% in the sales of all types of ultra-processed foods in Colombia, including frozen foods, sweet and savory snacks, canned/preserved foods, and dairy products1515. International Markets Bureau of Canada. Packaged food sales in Colombia. 2011 [citado 18 mar 2018]. Available from: http://publications.gc.ca/collections/collection_2013/aac-aafc/A74-1-113-2011-eng.pdf
http://publications.gc.ca/collections/co...
. The relative growth in sales of such product categories was higher in developing countries including Colombia than in industrialized countries between 1998 and 2012. Data from other Latin American countries such as Brazil, Chile, and Mexico have shown a substantial incorporation of ultra-processed foods in the diets of their populations ranging from 21.5% in 2008–2009, 28.6% in 2010, and 30% in 2012, respectively 33. Cornwell B, Villamor E, Mora-Plazas M, Marin C, Monteiro CA, Baylin A. Processed and ultra-processed foods are associated with lower-quality nutrient profiles in children from Colombia. Public Health Nutr. 2018;21 Spec Nº:254. https://doi.org/10.1017/S1368980017001963
https://doi.org/10.1017/S136898001700196...
,1616. Cediel G, Reyes M, Louzada MLC, Steele EM, Monteiro CA, Corvalán C, et al. Ultra-processed foods and added sugars in the Chilean diet (2010). Public Health Nutr. 2018;21(1):125-33. https://doi.org/10.1017/S1368980017001161
https://doi.org/10.1017/S136898001700116...
,1717. Marrón-Ponce, J. A., Flores, M., Cediel, G., Monteiro, C. A., Batis, C.. Associations between Consumption of Ultra-Processed Foods and Intake of Nutrients Related to Chronic Non-Communicable Diseases in Mexico. Journal of the Academy of Nutrition and Dietetics. (2019). (Eub ahead of print). These trends suggest that Colombia’s population, like it’s neighboring countries, is vulnerable to a very significant increase in the consumption of ultra-processed foods.

There has been no prior evaluation of the types of ultra-processed foods most consumed in Colombia. In this context of increasing foreign investment of food companies, expanding the diversity of ultra-processed foods on offer, and the growing trends of chronic diseases, it is important to assess the consumption pattern of these products. The study aimed to analyze the consumption of ultra-processed foods in the Colombian population, across sociodemographic factors.

METHODS

This study used data from the first National Survey of the Nutritional Status of Colombia (ENSIN, 2005) and the National Survey of Demography and Health of Colombia (ENDS, 2005), conducted between October 2004 and July 2005 by the Colombian Institute of Family Welfare (ICBF) and Profamilia. The survey used a stratified, multi-stage, and cross-sectional design to obtain national and subregional representativeness (16 subregions), with over-sampling of rural areas and low socioeconomic (SES) groups. It included 99.0% of the urban and rural population with a response rate of 74.0%. The ENSIN sample size and sample design aimed to estimate proportion and prevalence1818. Manjarrés LM, Correa JM. Software de análisis de consumo de alimentos ECA1. Medellin (COL); Medellín; 2004..

The dietary data were obtained from participants aged between 2 – 64 years using a 24-hour food recall. The 24-hour recall captured data from random days of the week including weekends. The interviewers used 60 standardized plastic models and photographs to improve the accuracy of the quantity and weight of the food and beverages consumed. They obtained information about the type of food, the name of the preparation, the ingredients, and the amount consumed. The person responsible for preparing the food was present at the time of the interview. In cases in which the food consumed by a child was in school or in a daycare center, the interviewer visited the school to obtain detailed information about the preparations. The quality of the data was monitored throughout the process, and the interview was repeated in case of inconsistencies1818. Manjarrés LM, Correa JM. Software de análisis de consumo de alimentos ECA1. Medellin (COL); Medellín; 2004..

A total of 1,053 foods were classified into one of the four NOVA categories by the authors of this study. The categories are mutually exclusive and vary according to their extent and purpose of processing. They include unprocessed or minimally processed foods, processed culinary ingredients, processed foods, and ultra-processed foods11. Monteiro CA, Cannon G, Moubarac JC, Levy RB, Louzada MLC, Jaime PC. The UN Decade of Nutrition, the NOVA food classification and the trouble with ultra-processing. Public Health Nutr. 2018;21(1):5-17. https://doi.org/10.1017/S1368980017000234
https://doi.org/10.1017/S136898001700023...
. The foods were categorized into one of 33 subgroups. In 5.6% of the cases, it was not possible to disaggregate the typical culinary dishes into their constituent ingredients (for example, “Lasagna,” “Corn kernel cakes,” “Tamale”), and these products were classified as minimally processed foods (“freshly prepared food” ). The intake of energy and nutrients for each food at an individual level was calculated using software developed by the School of Nutrition and Dietetics at the University of Antioquia, Medellín, Colombia1818. Manjarrés LM, Correa JM. Software de análisis de consumo de alimentos ECA1. Medellin (COL); Medellín; 2004..

This study used self-reported data on sex (male/female), age (2 to 9, 10 to 19, 20 to 34, 35 to 49, and ≥ 50 years), SES, and geographic regions compiled by the ENDS. The SES of the sample was evaluated using the SISBEN composite index. This is a family welfare index composed of 24 variables across four dimensions: health, education, housing, and vulnerability, and it includes indicators such as social security, years of schooling, employment, and income per capita1919. Vélez CE, Castaño E, Deutsch R. An economic interpretation of Colombia’s SISBEN: a composite welfare index derived from the optimal scaling algorithm. Washington, D.C.: Inter-American Development Bank; 1998. (IDB Discussion Paper).. SISBEN level 1 indicates low SES, while “Level 4 and higher” indicates high SES. The area of residence indicator comprised of urban, central, and rural categories. The geographical regions included Atlantic, Eastern, Central, Pacific, Bogota, Orinoquía, and the Amazon.

The ENSIN data were combined with the ENDS data to link food consumption with demographic information at the individual level. Responses with missing information for total energy, with extreme total energy intakes (< 200 kcal and > 5,000 kcal)55. Parra DC, Louzada MLC, Moubarac JC, Levy RB., Khandpur N, Cediel G, et al. The association between ultra-processed food consumption and the nutrient profile of the Colombian diet in 2005. Salud Publica Mex. 2019;61(2):147-54. https://doi.org/10.21149/9038
https://doi.org/10.21149/9038...
, and responses from pregnant women were excluded from the analysis. The final sample size included 38,643 individuals. Sample weights were used in all analyses to consider the differential probabilities of selection. Individuals were classified into quintiles according to the dietary contribution of the ultra-processed foods (% of total energy intake). We analyzed the relative energy consumption (% of total energy intake) for the four NOVA categories and subgroups across quintiles. Gross and adjusted linear regression analyses were performed with sociodemographic indicators and all NOVA categories and subgroups of ultra-processed foods. The significance level was established as an alpha of 5.0% and a p-value of 0.05. Visual diagnostic tests for the ordinary least squares (OLS) regression suggested a fairly normal distribution of errors, and slight deviations from normality in the upper and lower tails. Data analyses were performed in STATA 14, and the consumption map was designed in R version 3,4,4.

RESULTS

The participants’ mean age was 26.5 years [standard deviation (SD) = 0.2], 51.9% of the sample was composed of women, 29.4% represented low SES, and 5.1% represented high SES. Three quarters of the population resided in urban areas, and the highest number of participants were from the Atlantic (25.3%) and Central (23.8%) regions (Table 1). Natural or minimally processed foods provided 63.3% of the total energy consumed by the sample, while the energy from processed culinary ingredients, processed foods, and ultra-processed foods accounted for 15.8%, 4.9% and 15.9%, respectively. Bananas, roots and tubers were the most consumed subcategory among minimally processed foods. Table sugar, cheese and industrialized breads were the most consumed culinary ingredients, processed foods, and ultra-processed foods, respectively (Table 2).

Table 1
Demographic characteristics. National survey of the nutritional status of the Colombian population. Colombia, 2005.
Table 2
Distribution (%) of total energy intake according to the NOVA food classification using the quintiles (Q) of the percentage of energy from ultra-processed foods. Colombia, 2005

The percentage contribution of total calories from natural or minimally processed foods, and culinary ingredients and their subgroups, decreased across the quintiles of consumption of ultra-processed foods. Calories from natural or minimally processed foods decreased by 32.0% between the first quintile (76.1%) and last quintile (44.1%). The consumption of natural yogurt increased between the quintiles, while the consumption of vegetables was not very high (1.5%) and remained unchanged between the quintiles. The percentage of calories from all processed foods remained relatively unchanged, increasing marginally between quintiles 2 and 3, before decreasing again.

The mean calorie contribution of ultra-processed foods ranged from 0.2% in the first quintile to 41.1% in the last quintile. The greatest increases came from the consumption of industrialized breads, followed by sweet and savory snacks, sugary drinks, processed meats, and confectionery products. Ready-to-eat foods, desserts, industrialized breakfast cereals, and dairy drinks also increased between quintiles, but to a lesser degree.

No major differences were found in the consumption of ultra-processed foods between men and women. We observed significant differences by age, SES, area of residence, and geographic region. The oldest participants had the highest consumption of natural or minimally processed foods, while the youngest participants (2–9 years old) had the highest intake of ultra-processed foods: almost double that of the participants aged over 50 years. The highest consumers of natural or minimally processed foods and the lowest consumers of ultra-processed foods were from the lowest SES, resided in rural areas, or in the Atlantic region. Individuals from the urban area, with high SES, residing in the Bogotá region had 1.5 to 1.7 times higher calorie intake from ultra-processed foods compared to those with low SES and individuals residing in rural areas (Figures 1 and 2 and Table 3).

Figure 1
Distribution of total energy intake according to NOVA classification and sociodemographic determinants. Colombia, 2005.

Figure 2
Distribution of ultra-processed foods (UPF) consumption in the regions. Colombia, 2005.

Table 3
Variation in the mean consumption of ultra-processed foods (UPF) by the sociodemographic determinants in the population. Colombia, 2005.

Women consumed more breads, snacks and confectionery products while men consumed more sugary drinks and ready-to-eat meals. Children aged below 9 years consumed significantly more snacks, confectionery products, processed cereals, dairy drinks, and desserts. Participants older than 50 years consumed fewer products from these subgroups but had the highest consumption of industrialized bread. As for sugary drinks, a different trend was also observed. People aged 20–34 years had the highest intakes (3.3% of the total energy of sugary drinks) compared with the older adults (1.3%) and children (2.1%). Similarly, we observed higher intake of ultra-processed foods in the high SES class for most ultra-processed foods such as snacks, sugary drinks, processed meat, ready-to-eat foods, and desserts. These consumers had an intake comparable to that of those with low SES in processed bread and confectionery (Table 4).

Table 4
Percentage of energy from ultra-processed foods (UPF) and their subgroups according to sociodemographic determinants. Colombia, 2005.

Participants that resided in urban areas consumed more ultra-processed foods. However, their consumption was not significantly different compared with residents in rural regions, with regards to confectionery sweets. We observed similar trends among residents of the Bogotá region who consumed significantly more industrialized bread, confectionery, snacks, ready-to-eat foods, and desserts compared to other regions. However, the consumption of processed meats was the lowest. The residents of Orinoquía and the Amazon had the highest intake of sugary drinks, while those of the Central region exceeded the consumption of processed meat. Almost no differences were observed between geographic regions for the intake of dairy drinks.

DISCUSSION

The data showed a wide range in the consumption patterns of ultra-processed foods in Colombia across various sociodemographic factors. Those individuals with the lowest consumption of ultra-processed foods (first quintile of consumption of ultra-processed foods, < 1% of total energy consumption) obtained more than 95% of their energy from natural or minimally processed foods and culinary ingredients. On the other hand, individuals with higher consumption of ultra-processed foods replaced almost half of the calories from natural or minimally processed foods – they obtained 41% of their energy consumption from ultra-processed foods and 44% from natural or minimally processed foods. Industrialized bread was the largest contributor to total energy from ultra-processed foods. Adolescents and urban residents were the largest consumers of ultra-processed foods, especially snacks, processed cereals, dairy drinks, and junk food. Men consumed more sugary drinks and ready-to-eat meals.

As the total consumption of ultra-processed foods increased, industrialized bread, snacks, and sugary drinks provided the greatest amount of energy, surpassing the consumption of bananas, roots and tubers, and cereals from the group of natural or minimally processed foods. The subgroups of ultra-processed foods that supply most calories vary among other countries in South America. Desserts, cookies, cakes, and sugary drinks are the main contributors to energy in Mexico and Chile1616. Cediel G, Reyes M, Louzada MLC, Steele EM, Monteiro CA, Corvalán C, et al. Ultra-processed foods and added sugars in the Chilean diet (2010). Public Health Nutr. 2018;21(1):125-33. https://doi.org/10.1017/S1368980017001161
https://doi.org/10.1017/S136898001700116...
,2020. Marrón-Ponce JA, Sánchez-Pimienta TG, Louzada MLC, Batis C. Energy contribution of NOVA food groups and sociodemographic determinants of ultra-processed food consumption in the Mexican population. Public Health Nutr. 2018;21(1):87-93. https://doi.org/10.1017/S1368980017002129
https://doi.org/10.1017/S136898001700212...
. Desserts, fast foods, and sugary drinks are the main contributors in Brazil44. Louzada MLC, Martins APB, Canella DS, Baraldi LG, Levy RB, Claro RM, et al. Ultra-processed foods and the nutritional dietary profile in Brazil. Rev Saude Publica. 2015;49:38. https://doi.org/10.1590/S0034-8910.2015049006132
https://doi.org/10.1590/S0034-8910.20150...
. Confectionery, processed meats, and ready-to-eat meals also increased in Colombia, but to a lesser extent. In general, the consumption of ultra-processed foods in Colombia remains relatively low, but with enormous potential for growth in all subgroups according to recent purchase trend data1515. International Markets Bureau of Canada. Packaged food sales in Colombia. 2011 [citado 18 mar 2018]. Available from: http://publications.gc.ca/collections/collection_2013/aac-aafc/A74-1-113-2011-eng.pdf
http://publications.gc.ca/collections/co...
.

In Colombia, people aged below 19 years living in the capital Bogotá, and with a high SES were the main consumers of ultra-processed foods. Of these, children were the most vulnerable group for the consumption of these products. This is particularly worrying considering the long-term health consequences of eating ultra-processed foods88. Fiolet T, Srour B, Sellem L, Kesse-Guyot E, Allès B, Méjean C, et al. Consumption of ultra-processed foods and cancer risk: results from NutriNet-Santé prospective cohort. BMJ. 2018;360:k322. https://doi.org/10.1136/bmj.k322
https://doi.org/10.1136/bmj.k322...
,99. Canella DS, Levy RB, Martins APB, Claro RM, Moubarac JC, Baraldi, LG, et al. Ultra-processed food products and obesity in Brazilian households (2008-2009). PloS One. 2014;9(3);e92752. https://doi.org/10.1371/journal.pone.0092752
https://doi.org/10.1371/journal.pone.009...
. A dietary pattern characterized by the consumption of subgroups of ultra-processed foods such as hamburgers and hot dogs was associated with overweight among Colombian children aged 5–12 years, particularly those in the high SES2121. McDonald CM, Baylin A, Arsenault JE, Mora-Plazas M, Villamor E. Overweight is more prevalent than stunting and is associated with socioeconomic status, maternal obesity, and a snacking dietary pattern in school children from Bogota, Colombia. J Nutr. 2009;139(2):370-6. https://doi.org/10.3945/jn.108.098111
https://doi.org/10.3945/jn.108.098111...
. Rural residents and older adults are likely to have more traditional cooking and eating practices and more stable dietary patterns. These groups may also be more resistant to marketing practices that appeal to the younger generation, with less stable dietary patterns, and therefore more likely to try these products.

Aspects such as exposure, availability, access, and penetration of these ultra-processed foods in Colombia’s food environment may also explain the highest consumption of these products in urban areas, high SES areas, and in large cities (mainly in the capital, Bogotá). These segments may have greater exposure to marketing, greater purchasing power to access these products, and a wider palate to adapt to new tastes. Colombians residing in rural areas, in the Atlantic, Central, and Pacific regions, or those in the lower SES seem protected from exposure to these ultra-processed foods, while retaining traditional culinary preparations. This is probably due to lower exposure to the commercial marketing of these products and to a lower disposable income.

The Colombian consumption pattern of ultra-processed foods among children and adolescents reflects the global pattern: the United Kingdom, the United States, Canada, Chile, France, and Mexico show a higher consumption of ultra-processed foods in these age groups77. Moubarac JC, Batal M, Louzada ML, Steele EM, Monteiro CA. Consumption of ultra-processed foods predicts diet quality in Canada. Appetite. 2017;108:512-20. https://doi.org/10.1016/j.appet.2016.11.006
https://doi.org/10.1016/j.appet.2016.11....
,1616. Cediel G, Reyes M, Louzada MLC, Steele EM, Monteiro CA, Corvalán C, et al. Ultra-processed foods and added sugars in the Chilean diet (2010). Public Health Nutr. 2018;21(1):125-33. https://doi.org/10.1017/S1368980017001161
https://doi.org/10.1017/S136898001700116...
,2020. Marrón-Ponce JA, Sánchez-Pimienta TG, Louzada MLC, Batis C. Energy contribution of NOVA food groups and sociodemographic determinants of ultra-processed food consumption in the Mexican population. Public Health Nutr. 2018;21(1):87-93. https://doi.org/10.1017/S1368980017002129
https://doi.org/10.1017/S136898001700212...
. On the other hand, consumption is not as consistent by SES. In Mexico and Brazil, as in Colombia, the richest and most educated consume more ultra-processed foods, with a dose-response in relation to the increase according to SES2020. Marrón-Ponce JA, Sánchez-Pimienta TG, Louzada MLC, Batis C. Energy contribution of NOVA food groups and sociodemographic determinants of ultra-processed food consumption in the Mexican population. Public Health Nutr. 2018;21(1):87-93. https://doi.org/10.1017/S1368980017002129
https://doi.org/10.1017/S136898001700212...
,2424. Simões BDS, Cardoso LDO, Benseñor IJM, Schmidt MI, Duncan BB, Luft VC, et al. Consumption of ultra-processed foods and socioeconomic position: a cross-sectional analysis of the Brazilian Longitudinal Study of Adult Health (ELZA Brasil). Cad Saude Publica. 2018;34(3):e00019717. https://doi.org/10.1590/0102-311X00019717
https://doi.org/10.1590/0102-311X0001971...
. Chile also showed higher consumption in those with higher incomes, but no differences were found by education1616. Cediel G, Reyes M, Louzada MLC, Steele EM, Monteiro CA, Corvalán C, et al. Ultra-processed foods and added sugars in the Chilean diet (2010). Public Health Nutr. 2018;21(1):125-33. https://doi.org/10.1017/S1368980017001161
https://doi.org/10.1017/S136898001700116...
. However, the consumption of ultra-processed foods was higher among those with lowest education and income level in the United Kingdom, France, and the United States. These results indicate a distinction in consumption patterns according to the nutritional transition stage of each country. In developing countries in the intermediate stage (patterns 3 and 4) of nutritional transition, the purchase and consumption of ultra-processed foods were boosted by individuals with high income levels. These countries move away from the intake of starchy foods (corn, wheat, rice, oats, etc.) and protein-energy deficiencies towards noncommunicable diseases2525. Popkin BM. The nutrition transition: an overview of world patterns of change. Nutr Rev. 2004;62 Suppl 2:S140-3. https://doi.org/10.1111/j.1753-4887.2004.tb00084.x
https://doi.org/10.1111/j.1753-4887.2004...
. The opposite was observed in developed countries that are nearing the end (pattern 4) of nutritional transition. In these countries, consumption was relatively low among the richest, however, their percentage of daily energy from ultra-processed foods was greater than 50%2525. Popkin BM. The nutrition transition: an overview of world patterns of change. Nutr Rev. 2004;62 Suppl 2:S140-3. https://doi.org/10.1111/j.1753-4887.2004.tb00084.x
https://doi.org/10.1111/j.1753-4887.2004...
.

Few studies have examined the differences within the ultra-processed food subgroups. In Norway, men were more likely to be classified as large consumers of ultra-processed dinner products and fast foods, but not of snacks and sugary drinks, compared with women2626. Djupegot IL, Nenseth CB, Bere E, Bjørnarå HBT, Helland SH, Øverby NC, et al. The association between time scarcity, sociodemographic correlates and consumption of ultra-processed foods among parents in Norway: a cross-sectional study. BMC Public Health, 2017;17(1):447. https://doi.org/10.1186/s12889-017-4408-3
https://doi.org/10.1186/s12889-017-4408-...
. Those with a high level of education were less likely to consume ultra-processed foods at dinner and snacks and sugary drinks during the day compared with those with a low level of education. These results were different from those seen in this study and are probably explained by the later stage of the nutritional transition (pattern 4) in Norway. Among children, there is some consistency in the types of ultra-processed foods consumed. Analyses of the main components of food consumption in 12 countries show that ultra-processed foods such as fast foods, ice cream, fried foods, fries, and sugary drinks more strongly characterize unhealthy eating patterns among children aged 9–11 years2727. Mikkilä V, Vepsäläinen H, Saloheimo T, Gonzalez SA, Meisel JD, Hu G, et al. An international comparison of dietary patterns in 9-11-year-old children. Int J Obes Suppl. 2015;5 Suppl 2:S17-21. https://doi.org/10.1038/ijosup.2015.14
https://doi.org/10.1038/ijosup.2015.14...
. Recent data from Colombia on the frequency of consumption of sugary drinks show that 85.3% of the children aged 5–17 years consume these drinks 0.71 time per day2828. Herran OF, Villamor E, Quintero-Lesmes DC. Intake of soft drinks and sugar sweetened beverages by Colombian children and adolescents. Rev Bras Saude Mater Infant. 2017;17(3):491-500. https://doi.org/10.1590/1806-93042017000300005
https://doi.org/10.1590/1806-93042017000...
. The percentage contribution of sugary drinks to daily energy was not available, but frequency trends indicate a very present and worrying consumption pattern among children and adolescents.

Regulation is necessary to protect nutritional status and well-being, especially of children and adolescents1212. Bejarano-Roncancio J, Gamboa-Delgado EM, Aya-Baquero DH, Parra DC. Los alimentos y bebidas ultra-procesados que ingresan a Colombia por el tratado de libre comercio:¿ influirán en el peso de los colombianos? Rev Chil Nutr. 2015;42(4):409-13. https://doi.org/10.4067/S0717-75182015000400014
https://doi.org/10.4067/S0717-7518201500...
. Strategies may include: (i) prohibiting the sale of ultra-processed food in schools and playgrounds; (ii) better disseminating health promotion tools, such as food-based dietary guidelines that consider the extent and purpose of the processing implemented in Brazil2929. Ministério de Saúde (BR), Secretaria de Atenção à Saúde, Departamento de Atenção Básica. Guia alimentar para a população brasileira. 2.ed. Brasília, D.F.; 2014 [citado 22 mar 2018]. Available from: http://portalarquivos.saude.gov.br/images/pdf/2014/novembro/05/Guia-Alimentar-para-a-pop-brasiliera-Miolo-PDF-Internet.pdf
http://portalarquivos.saude.gov.br/image...
and Uruguay3030. Ministerio de Salud (URY). Guía alimentaria para la población uruguaya. Montevideo; 2016 [citado 22 mar 2018]. Available from: http://msp.gub.uy/sites/default/files/archivos_adjuntos/MS_guia_web.pdf
http://msp.gub.uy/sites/default/files/ar...
; (iii) including appropriate warning labels and imposing initiatives to encourage healthier options at points of purchase as has been done in Chile1010. Corvalán C, Reyes M, Garmendia ML, Uauy R. Structural responses to the obesity and non-communicable diseases epidemic: the Chilean Law of Food Labeling and Advertising. Obes Rev. 2013;14 Suppl 2:S79-87. https://doi.org/10.1111/obr.12099
https://doi.org/10.1111/obr.12099...
.

This study has its limitations. All dietary information was collected by 24-hour dietary recalls. In addition to the memory bias, participants may choose not to disclose information about certain food products that are considered socially undesirable, both in terms of product categories and quantities consumed. This single point of dietary information may not capture the participants’ usual diet and, therefore, be less representative of their intake. Although the analyses controlled for several sociodemographic variables, residual confusion is difficult to eliminate. However, the probabilistic nature of the sample studied, the national representativeness of the Colombian population, the use of the latest national survey with 24-hour dietary recall available, and the standardization of the collection of dietary data are some of the strengths of this study. It is probable that the consumption of ultra-processed foods in Colombia has changed since the publication of these data. This study provides reference intake levels and could serve as a baseline for comparison with more recent dietary assessments, when available, to capture trends in the consumption of ultra-processed foods in Colombia.

CONCLUSION

This study characterizes the ultra-processed products that are consumed most frequently and that can be considered as the entry points of ultra-processed foods into the Colombian diet. Sociodemographic differences are explored to identify segments of the population that can be considered the most vulnerable to the consumption of these foods. Industrialized bread is the ultra-processed food that is most easily assimilated into the traditional diet, along with snacks and sugary drinks. Children and adolescents adapt more easily to these products and, therefore, are more vulnerable to their deleterious effects on health. In general, the consumption of ultra-processed foods is not as high in Colombia as in other countries, but has great potential to increase. These data also encourage a review of the current health promotion and prevention policy and regulatory efforts in Colombia related to the promotion and sale of these products, particularly with regards to vulnerable sub-groups such as children and adolescents.

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  • Funding: Dr. Khandpur was supported by the FAPESP 2016/13669-4 scholarship. Dr. Cediel was supported by the FAPESP 2016/13522-4 scholarship.

Publication Dates

  • Publication in this collection
    10 Feb 2020
  • Date of issue
    2020

History

  • Received
    18 Aug 2018
  • Accepted
    17 June 2019
Faculdade de Saúde Pública da Universidade de São Paulo São Paulo - SP - Brazil
E-mail: revsp@org.usp.br