Active urban mobility in adults with hearing loss and their perception of the environment: a multicenter study

Danúbia Hillesheim Karina Mary de Paiva Cassiano Ricardo Rech Júlio Celso Borello Vargas Ingrid Luiza Neto Hartmut Günther Eleonora d’Orsi About the authors

Abstract:

This study aimed to estimate the association between hearing loss and active urban mobility (walking and/or bicycling), according to perception of the environment in adults in three Brazilian capital cities. This was a cross-sectional study of 2,350 adults (18-59 years) residing in Brasília (Federal District), Florianópolis (Santa Catarina), and Porto Alegre (Rio Grande do Sul), assessed by the multicenter study Healthy Urban Mobility (MUS) in 2017 and 2018. The outcome variable was active urban mobility (≥ 10 minutes/week), and the principal exposure was self-reported hearing loss. The analyses were stratified by the variable “perception of the environment” - perception of places for walking and bicycling (negative; positive). Logistic regression was used to estimate crude and adjusted odds ratios (OR) with 95% confidence intervals (95%CI). Prevalence rates for self-reported hearing loss and active urban mobility were 17% (95%CI: 15.4; 18.4) and 55.4% (95%CI: 53.4; 57.4), respectively. Adults with hearing loss and that perceived the environment negatively for walking and bicycling showed 34% lower odds of active urban mobility ≥ 10 minutes/week (OR = 0.66; 95%CI: 0.45; 0.97). In conclusion, there was an association between hearing loss and active urban mobility in adults in the three capital cities, according to negative perception of the environment. Persons with hearing loss that perceived the neighborhood negatively tend to circulate less by active means.

Keywords:
Hearing Loss; Right to Freedom of Movement; Urban Area; Environment Design; Built Environment

Introduction

According to the World Health Organization (WHO), in the year 2010 more than a billion people were living with some form of disability or incapacity, corresponding to approximately 15% of the world population 11. Organização Mundial da Saúde. Relatório mundial sobre a deficiência. São Paulo: Lexicus Serviços Linguísticos; 2011.. In Brazil, that same year, according to data from the Brazilian Institute of Geography and Statistics (IBGE), 23.9% of the population reported at least one of the disabilities listed in the census (visual, hearing, motor, mental, or intellectual). Among the sensory disabilities listed in the census, hearing disability led in absolute numbers, affecting 2.2 million Brazilians 22. Secretaria de Direitos Humanos; Secretaria Nacional de Promoção dos Direitos da Pessoa com Deficiência. Cartilha do Censo 2010: pessoas com deficiência. Brasília: Secretaria de Direitos Humanos; Secretaria Nacional de Promoção dos Direitos da Pessoa com Deficiência; 2012..

Hearing disability is multifactorial and manifests to different degrees 33. Cruz MS, Oliveira LR, Carandina L, Lima MCP, César CLG, Barros MBA, et al. Prevalência de deficiência auditiva referida e causas atribuídas: um estudo de base populacional. Cad Saúde Pública 2009; 25:1123-31.. A deaf individual is defined as one with a hearing loss characterized by absence of auditory responses, namely non-functional hearing. Language acquisition by deaf individuals can be limited, and Brazilian Sign Language (LIBRAS, acronym in Portuguese) is one of the main strategies for their linguistic development. The adult population thus includes deaf individuals with no functional residual hearing and individuals with acquired hearing loss who still have some residual hearing.

Acquired hearing loss in the adult population can be related to continuous exposure to high sound pressure levels (SPL), characterizing noise-induced hearing loss (NIHL) 44. Nudelmann AA, Costa EA, Seligman J, Ibañez RN. Perda auditiva induzida pelo ruído. Porto Alegre: Bagaggem; 1997.. This type of hearing loss can compromise the individual’s social participation and integration due to changes in their life structure caused by communication difficulties imposed by the impairment, with affective and professional harms, thereby increasing their risk of cognitive decline, falls, depression, social withdrawal, and low self-esteem 55. Nunes BP, Saes MO, Siqueira FV, Tomasi E, Silva SM, Silveira DS, et al. Falls and self-assessment of eyesight among elderly people: a population-based study in a south Brazilian municipality. Arch Gerontol Geriatr 2014; 59:131-5.,66. Capella-McDonnall ME. The effects of single and dual sensory loss on symptoms of depression in the elderly. Int J Geriatr Psychiatry 2005; 20:855-61..

Few authors have analyzed hearing impairment in relation to active urban mobility in adults or discussed the issues related to the urban environment 77. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da pessoa surda. Goiânia: Kelps; 2017.,88. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da equidade e inclusão social. Goiânia: Kelps; 2018.. Active urban mobility is defined as circulating in the city by walking and/or bicycling. These modes of travel are considered beneficial to health, since they allow the individual to practice physical activity 99. Mueller N, Rojas-Rueda D, Cole-Hunter T, de Nazelle A, Dons E, Gerike R, et al. Health impact assessment of active transportation: a systematic review. Prev Med 2015; 76:103-14.,1010. Carvalho MLD, Freitas CM. Pedalando em busca de alternativas saudáveis e sustentáveis. Ciênc Saúde Colet 2012; 17:1617-28., besides reducing the air pollution from motor vehicle traffic.

A review study showed that impediments to movement involving physical obstacles and lack of sensory signage are some of the barriers faced in urban environments by people with disabilities 1111. Cunha HWAP. A pessoa com deficiência no espaço urbano de São Luís: (des)caminhos para formalização da inclusão. Caminhos de Geografia 2010; 11:76-90.. When encountering these barriers along their way, individuals with sensory loss can end up withdrawing into their homes, limiting their independence and mobility and considerably curtailing their outings for daily activities 1212. Barbosa AS. Mobilidade urbana para pessoas com deficiência no Brasil: um estudo em blogs. urbe. Revista Brasileira de Gestão Urbana 2016; 8:142-54..

In Brazil, there was a recent publication with important studies on the topic. In 2017, authors launched the first book on accessibility and urban mobility from the deaf person’s perspective 77. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da pessoa surda. Goiânia: Kelps; 2017., and in 2018 there was a book on accessibility and urban mobility from the perspective of equity and social inclusion 88. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da equidade e inclusão social. Goiânia: Kelps; 2018.. Both books debate issues in the interfaces between urban mobility, social inclusion, and barriers in the built environment, giving voice to persons with disability (including hearing disability) in the face of these challenges.

Epidemiological studies have been developed in other countries, but with different target populations from those in the current study. Mikkola et al. 1313. Mikkola TM, Polku H, Portegijs E, Rantakokko M, Tsai L, Rantanen T, et al. Self-reported hearing is associated with time spent out-of-home and withdrawal from leisure activities in older communitydwelling adults. Aging Clin Exp Res 2015; 28:297-302. assessed an elderly cohort in Finland and found an association between hearing impairment, failure to participate in leisure-time activities, and reduction in the time spent out of the house in the last seven days, independently of mode of transportation used. Still, most of the studies on the built environment as a moderator of the relationship between disability (physical, sensory, or cognitive) and lower levels of active mobility have been conducted in older populations, which shows the need for studies focusing on young adults, because young people with disabilities have different experiences with the built environment 1414. Eisenberg Y, Vanderbom KA, Vasudevan V. Does the built environment moderate the relationship between having a disability and lower levels of physical activity? A systematic review. Prev Med 2017; 95:75-84..

This context highlights the importance of epidemiological studies on the relations between hearing loss in adults and active urban mobility. There is also a need for collaboration between different areas of knowledge (speech therapy, medicine, architecture and urban planning, psychology, engineering, physical education) for them to jointly improve and/or create effective public policies with changes in the environmental context at the center of the discussions. It is equally important to acknowledge active urban mobility as an activity that can provide numerous health benefits for persons with disability, especially in their quality of life. Such effective practice can be used as a strategy for inclusion of persons with disability in society 77. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da pessoa surda. Goiânia: Kelps; 2017..

Given the above, this study aimed to estimate the association between hearing loss and active urban mobility (walking and/or bicycling), according to the perception of the environment in adults in three Brazilian capital cities.

Methods

Study design and site

This was a cross-sectional study with data from a household survey of adults from the multicenter study Healthy Urban Mobility (MUS, acronym in Portuguese) (https://www.hum-mus.org). The main objective of the larger MUS project is to understand the impact of daily mobility/immobility on the health and wellbeing of different social groups. The larger study was conducted in three Brazilian cities: Brasília (Federal District), Florianópolis (Santa Catarina State), and Porto Alegre (Rio Grande do Sul State); and in a city in south of the United Kingdom: Oxford. These cities were chosen due to their different spatial and demographic characteristics and the challenges they face in the promotion of healthy and active urban mobility. The current article only used data from the Brazilian cities Florianópolis, Porto Alegre, and Brasília.

Porto Alegre is the state capital of Rio Grande do Sul, with an estimated population in 2017 of 1,484,941 and a municipal human development index (HDI-M) of 0.805. Florianópolis is the state capital Santa Catarina, with an estimated population of 485,838 and HDI-M of 0.847. Brasília is the national capital of Brazil, with a population of 3,039,444 and HDI-M of 0.824 (IBGE. https://cidades.ibge.gov.br/, accessed on Oct/2018).

Three study areas were selected in each city. In Florianópolis, areas were selected from the neighborhoods of Costeira do Pirajubaé, Saco Grande, and Jardim Atlântico; in Porto Alegre, the neighborhoods Cruzeiro, Menino Deus, and Tronco; and in Brasília, Varjão, Vila Planalto and SQN 409/410. The areas were chosen according to the following inclusion criteria: (a) distance less than 10km from the city center; (b) homogenous socioeconomic status; (c) type of urban fabric, either planned or informal, according to the roadway grid pattern. Thus, data collection took place in three areas of the city: two with household income up to the fifth quintile distribution, one of which informal and the other planned, and a third area with income up to the fourth income quintile.

Sampling procedures and data collection

In Brazil, the data were collected from May 2017 to June 2018. As for the household sample calculation, in Florianópolis and Porto Alegre, after identification of all addresses recorded in each study area in the government agencies (IBGE, National Registry of Addresses for Statistical Purposes, Geoportal), level of confidence was set at 95% and with ± 5% confidence interval, adopting as the universe all the households located in the polygons corresponding to the respective areas. Random sampling used the non-spatial method “subset”, in the ArcGIS 10.2.2 geoprocessing software (http://www.esri.com/software/arcgis/index.html). This technique, widely used in programming languages, statistical packages, and calculation spreadsheets, divides the data (all the addresses on the list) into two subgroups: the first contains L addresses, and the second contains N - L, where L is 500 and N is the total number of addresses in the universe. This division is done by generating random values based on a uniform distribution (values from 0 to 1). If the value generated is less than L/N, it is allocated to the first subset, otherwise to the second. We also calculated the study’s power via the OpenEpi site (https://www.openepi.com), obtaining a power of 100% for the study.

Sampling in Brasília was performed by simple random sample based on a general address list, selecting 500 households, using the IBM SPSS software (https://www.ibm.com). However, in one of the neighborhoods we opted to use the snowball technique, due to situations of violence and insecurity encountered by the interviewers upon visiting the previously selected addresses.

The snowball technique is a form of non-probabilistic sample that uses referral chains, drawing on documents and/or key informants called “seeds” in order to identify persons with the necessary profile for the study within the general population. This happens because an initially planned probabilistic sample is impossible or impracticable, so that the seeds help the researchers initiate their contacts and explore the group to be studied. Next, the persons indicated by the seeds are asked to name new contacts with the desired characteristics, based on their own personal networks, and so on, such that the sample grows with each interview, in keeping with the researchers’ interests 1515. Vinuto J. A amostragem em bola de neve na pesquisa qualitativa: um debate em aberto. Temáticas 2014; 44:203-20..

The study included adults 18 to 59 years of age and excluded bedridden individuals, pregnant women, and individuals with some limiting mental disability perceived by the interviewer at the time of the interview. For the data collection, properly trained interviewers applied a standardized and pretested questionnaire during face-to-face interviews. The questionnaire was programmed in the Android operational system on a M9 QUAD Multilaser tablet by a specialized technician. Data consistency was verified weekly, and quality control was done by telephone via application of an abridged questionnaire to 10% of the participants, selected randomly. The complete survey consisted of 375 questions, divided into 16 sections of questions. The questions aimed to understand the residents’ perception of their neighborhoods and means of transportation, besides their health issues.

Outcome variable

Assessment of the study outcome used the variable “active urban mobility” (walking and/or bicycling), categorized as < 10 minutes/week and ≥ 10 minutes/week, according to previous publications that used this cutoff to investigate active commuting 1616. Nakamura PM, Teixeira IP, Papini CB, Fernandes RA, Kokubun E. Associação da caminhada no lazer e no transporte com ambiente construído em adultos do Município de Rio Claro-SP. Rev Bras Ativ Fís Saúde 2013; 18:424-34.,1717. Teixeira IP, Nakamura PM, Kokubun E. Prática de caminhada no lazer e no deslocamento e associação com fatores socioeconômicos e ambiente percebido em adultos. Rev Bras Cineantropom Desempenho Hum 2014; 16:345-58.. Interviewers asked participants how often they had left home in the previous week for walking or bicycling, and how long they had spent on each trip. The times were transformed into minutes and multiplied by the number of individual outings, thereby obtaining the total commuting time by walking and/or bicycling in minutes during the previous week for each individual, independently of the reasons. This variable is part of the instrument Impact of Constructing Non-Motorised Networks and Evaluating Changes in Travel (Iconnect), widely used by British researchers (http://www.iconnect.ac.uk).

Principal exposure variable

The principal exposure variable was self-reported hearing loss (yes; no), asked by the interviewers with the question, “Do you feel you have a hearing loss?”. This question was validated by Ferrite et al. 18 for use in adults in population surveys.

Covariables

The following adjustment variables were used: (a) sex (male; female); (b) complete years of schooling (0-8 years; 9-12; 13 or more); (c) race/skin color (white; black; brown; Asian-descendent; indigenous); and (d) age in complete years (18-29; 30-39; 40-49; 50-59).

Effect-modifying variable

The study used the variable “perception of the environment” (positive; negative). We only used questions from the domain on places for walking and cycling from the instrument Neighborhood Environment Walkability Survey, Abbreviated (A-NEWS), translated and validated for the Brazilian reality 1919. Malavas LM, Duarte MFS, Both J, Reis RS. Escala de Mobilidade Ativa no Ambiente Comunitário - NEWS Brasil: retradução e reprodutibilidade. Rev Bras Cineantropom Desempenho Hum 2007; 9:339-50.. Authors have observed that the perception of individuals with hearing loss concerning the environment, including the quality of sidewalks and bicycle lanes, can either discourage or encourage active urban mobility 77. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da pessoa surda. Goiânia: Kelps; 2017..

The questions comprising the domain were: Are there sidewalks on most of the streets in your neighborhood?; Are the sidewalks in your neighborhood well maintained (paved, even, and without a lot of cracks)?; Are there parking spaces along the sidewalks in your neighborhood?; Are their bike lanes on most of the streets in your neighborhood?; Are the bike lanes in your neighborhood well maintained (paved, even, and without a lot of cracks)?; Can you walk easily to the bike lane closest to your home?; Are the bike lanes in your neighborhood separated from the streets/avenues by spaces for parking cars?; Are the bike lanes in your neighborhood separated from the streets by unpaved strips?

The questions had the following possible answers: strongly disagree (0), somewhat disagree (1), somewhat agree (2), and strongly agree (3). A score was calculated for this variable, varying from 0 to 24, divided into tertiles: the first tertile was considered the lowest (negative perception), and the second (moderate) and third tertiles (high), were considered the highest (positive perception). The measure of internal consistency in this set of questions was assessed with Cronbach’s alpha, obtaining a value of 0.836, considered reliable according to the literature 2020. Terwee CB, Bot SC, Boer MR, van der Windt DA, Knol DL, Dekker J, et al. Quality criteria were proposed for measurement properties of health status questionnaires. J Clin Epidemiol 2007; 60:34-42..

Data analysis

The analyses were stratified according to the variable “perception of the environment”, aimed at identifying differences in the intensity of the association/effect modification between active urban mobility and hearing loss. For description of the sample’s categorical variables, the data were presented as absolute and relative frequencies with the respective 95% confidence intervals (95%CI). The chi-square statistical test was used to analyze the association between the principal exposure variable (self-reported hearing loss) and covariables with the outcome (≥ 10 minutes/week).

In both the crude (bivariate) analysis and adjusted analysis, odds ratio (OR) was used as the measure of association, estimated by logistic regression. The principal exposure variable (hearing loss) was adjusted for all the variables (sex, schooling, race/skin color, age), independently of the p-value. The variables were included simultaneously in the adjusted analysis. Data analysis was done with the Stata software, version 14.0 (https://www.stata.com).

Ethical aspects

The MUS research project was approved by the Institutional Review Board of the University of Brasília (UnB) (November 16, 2016), under case review numbers 1.831.179 and CAEE: 58214416.9.1001.0030. All study subjects signed the free and informed consent form.

Results

The study interviewed 2,350 adults in the three cities, with a mean age of 39 years (SD = 12.3). The majority of the sample (67.1%) consisted of women and individuals that self-identified as white (52.3%). Among the participants, 55.4% had commuted at least ten minutes in the previous week by active means of transportation (bicycling and/or walking). There was higher negative perception of the neighborhood in Florianópolis (53%) and a higher positive perception in Porto Alegre (57%) and Brasília (74.2%). As for sensory impairment, presence of hearing loss was reported by 17% of the individuals (Table 1).

Table 1
Description of the sample according to sociodemographic characteristics, hearing loss, perception of the environment, active urban mobility, and city. Urban Mobility Study, Florianópolis (Santa Catarina State), Brasília (Federal District), and Porto Alegre (Rio Grande do Sul State), Brazil, 2017.

Table 2 shows that active urban mobility ≥ 10 minutes/week, without effect from perception of the neighborhood (for all the participants) was more common among younger individuals (61.6%) and blacks (62.1%). Among those with a negative perception of the environment, individuals with hearing loss presented lower prevalence of active urban mobility in the previous week (≥ 10 minutes/week) (41.1%), when compared to those not reporting hearing loss (51.7%; p = 0.020). Meanwhile, among those with a positive perception of the environment, there was a higher proportion of persons with hearing loss that had walked or pedaled at least 10 minutes in the previous week (61.2%), although without statistical significance (Table 2).

Table 2
Prevalence of active urban mobility according to the sample’s characteristics and stratified by perception of the environment concerning ease in walking and bicycling. Urban Mobility Study, Florianópolis (Santa Catarina State), Brasília (Federal District), and Porto Alegre (Rio Grande do Sul State), Brazil, 2017.

Table 3 shows the crude analysis of the association between active urban mobility, hearing loss, and the other study variables. Among individuals with a negative perception of the environment, those with hearing loss showed an OR of 0.65 (95%CI: 0.45; 0.95), demonstrating that these individuals have 35% lower odds of engaging in active urban mobility (≥ 10 minutes/week) when compared to participants without hearing loss.

Table 3
Crude analysis of the association between active urban mobility, hearing loss, and other variables in the sample, stratified by perception of the environment concerning ease in walking and bicycling. Urban Mobility Study, Florianópolis (Santa Catarina State), Brasília (Federal District), and Porto Alegre (Rio Grande do Sul State), Brazil, 2017.

Table 4 presents the adjusted analysis of the principal exposure variable according to the other study variables. The adjusted analysis maintained the association between hearing loss and the outcome (≥ 10 minutes/week) in the presence of negative perception of the environment (OR = 0.66, 95%CI: 0.45; 0.97). This highlights that persons with hearing loss in these three Brazilian cities that perceive the neighborhood negatively in terms of infrastructure for walking and bicycling tend to circulate less by active means of transportation.

Table 4
Adjusted analysis of the association between active urban mobility, hearing loss, and other variables in the sample, stratified by perception of the environment concerning ease in walking and bicycling. Urban Mobility Study, Florianópolis (Santa Catarina State), Brasília (Federal District), and Porto Alegre (Rio Grande do Sul State), Brazil, 2017.

Table 5 shows the adjusted analysis stratified by the three cities in the study. In negative perception of the environment for walking and bicycling, participants with hearing loss were less likely to engage in active urban mobility ≥ 10 minutes/week, when compared to individuals without hearing loss (28% lower odds in Brasília, 35% in Porto Alegre, and 45% in Florianópolis), although these differences were not statistically significant.

Table 5
Adjusted analysis of the association between active urban mobility and hearing loss, stratified by city and perception of the environment concerning ease in walking and bicycling. Urban Mobility Study, Florianópolis (Santa Catarina State), Brasília (Federal District), and Porto Alegre (Rio Grande do Sul State), Brazil, 2017.

Discussion

Prevalence of self-reported hearing loss in this study was 17.0%. Participants from the three Brazilian cities with hearing loss and negative perception of the environment presented an OR of 0.66, i.e., these individuals had 34% lower odds of engaging in active urban mobility (≥ 10minutes/week) when compared to individuals without hearing loss. These data reinforce the importance of the urban environment as a moderator of active mobility in cities, especially among the current study’s target public.

Few studies in Brazil have investigated the prevalence of hearing loss in the population, and the existing studies have used different methods, thus hindering comparison of the current study’s findings with those from previous research 33. Cruz MS, Oliveira LR, Carandina L, Lima MCP, César CLG, Barros MBA, et al. Prevalência de deficiência auditiva referida e causas atribuídas: um estudo de base populacional. Cad Saúde Pública 2009; 25:1123-31.,2121. Paiva KM, Cesar CLG, Alves MCGP, Barros MBA, Carandina L, Goldbaum M. Envelhecimento e deficiência auditiva referida: um estudo de base populacional. Cad Saúde Pública 2011; 27:1292-300.. However, the 17% prevalence of hearing loss in adults in this study is similar to the data from 2011 in the U.S. National Health Interview Survey (NHIS) 2222. Blackwell DL, Lucas JW, Clarke TC. Summary health statistics for U.S. adults: national health interview survey, 2012. Vital Health Stat 10 2014; (260):1-161., with 16% prevalence of hearing disorders in 231,376 individuals 19 years and older. Meanwhile, a population-based study by Cruz et al. 33. Cruz MS, Oliveira LR, Carandina L, Lima MCP, César CLG, Barros MBA, et al. Prevalência de deficiência auditiva referida e causas atribuídas: um estudo de base populacional. Cad Saúde Pública 2009; 25:1123-31. in four cities in the state of São Paulo in individuals over 12 years of age found a lower prevalence of self-reported hearing loss (5.2%). Importantly, the current study investigated the prevalence of hearing loss in adults, and hearing loss may end to increase with population aging 2121. Paiva KM, Cesar CLG, Alves MCGP, Barros MBA, Carandina L, Goldbaum M. Envelhecimento e deficiência auditiva referida: um estudo de base populacional. Cad Saúde Pública 2011; 27:1292-300..

Urban mobility of individuals without disability has already been the focus of research, given the numerous difficulties in cities, especially resulting from the prioritization of individual motor vehicle transportation to the detriment of pedestrians and cyclists. Still, active urban mobility and the capacity of persons with disability to come and go is just as important as the mobility of individuals without disabilities. In addition, proper mobility is essential to the identity, life experiences, and opportunities of persons with disabilities 2323. Imrie R. Disability and discourses of mobility and movement. Environ Plan A 2000; 32:1641-56..

Hearing is the main sense that furnishes information on events in one’s surroundings. Hearing is a form of social and emotional bonding and provides important warning signs for individuals’ physical safety. From the perspective of the person with hearing disability, in a previous study, persons with hearing loss reported that their sensory-abled organs could simplify their movements, offering more visual information clearly and precisely, since difficulty in locomotion can emerge from lack of signage, adding to their difficulty in asking for information from passersby 77. Taco PWG, Sousa AM, Silva PB. Acessibilidade e mobilidade urbana na perspectiva da pessoa surda. Goiânia: Kelps; 2017..

An experimental study in Italy with 62 adult individuals with disabilities identified the main perceived obstacles to access in urban areas. Nineteen of the participants had hearing disabilities, and the authors concluded that crossing the street is particularly dangerous for individuals with hearing problems, since they have to be careful when trying to reach the sidewalk on the other side and offset their inability to capture the sound of approaching vehicles. The authors concluded that the individuals may perceive the urban environment as hostile and adverse, and that such barriers can limit their desire to meet people and visit places, potentially contributing to their social withdrawal, decreasing their time out of the house and the frequency of their outings, essentially corroborating the current study’s findings 2424. Pecchini D, Giuliani F. Street-crossing behavior of people with disabilities. J Transp Eng 2015; 141:04015022.. Another study, in a different population (767 elderly individuals in Finland) found an association between hearing problems and time spent away from home and failure to engage in leisure-time activities. Persons with hearing loss spent less time outside the home (estimate average: 161 minutes/week) than individuals that reported good hearing (estimated average: 242 minutes/week) 1313. Mikkola TM, Polku H, Portegijs E, Rantakokko M, Tsai L, Rantanen T, et al. Self-reported hearing is associated with time spent out-of-home and withdrawal from leisure activities in older communitydwelling adults. Aging Clin Exp Res 2015; 28:297-302..

In the current study, persons with hearing loss that perceived the environment negatively showed lower prevalence of active urban mobility ≥ 10 minutes/week. This scenario highlights the issue of accessibility for persons with this sensory disability, and that walking and/or bicycling is impacted by the way the individual perceives the environment, often viewed as non-accessible, uninviting, or unfavorable. Accessible cities are essential for persons with disability to enjoy high-quality urban mobility. Brazil’s Law n. 10,098/20002525. Brasil. Lei nº 10.098, de 19 de dezembro de 2000. Estabelece normas gerais e critérios básicos para a promoção da acessibilidade das pessoas portadoras de deficiência ou com mobilidade reduzida, e dá outras providências. Diário Oficial da União 2000; 20 dez., regulated by Decree n. 5,296/2004, provides for the elimination of barriers in social spaces and within city limits and aims to create alternative techniques that allow communication and signage for persons with sensory disabilities. In addition, NBR 905/2004 of the Brazilian Association of Technical Standards (ABNT) sets the standards for accessibility in urban buildings, furnishings, spaces, and equipment. The parameters set by these standards include all the necessary instrumentalization for any individual to be able to adapt to the environmental conditions in the built space. However, most Brazilian cities fail to comply with these standards 2626. Associação Brasileira de Normas Técnicas. NBR9050: acessibilidade a edificações, mobiliário, espaços e equipamentos urbanos. Rio de Janeiro: Associação Brasileira de Normas Técnicas; 2004..

Studies indicate that perception of the built environment is closely tied to the individuals’ choice of mode of transportation 2727. Olekszechen N, Battiston M, Kuhnen A. Uso da bicicleta como meio de transporte nos estudos pessoa-ambiente. Desenvolvimento e Meio Ambiente 2016; 36:355-69.,2828. Zhao P. The impact of the built environment on bicycle commuting: evidence from Beijing. Urban Studies 2014; 51:1019-37., since persons’ perceived safety is another characteristic that can either encourage or discourage transportation use. Sallis et al. 2929. Sallis JF, Conway TL, Dillon LI, Frank LD, Adams MA, Cain KL, et al. Environmental and demographic correlates of bicycling. Prev Med 2013; 57:456-60. investigated the use of bicycling by 1,780 American adults. The authors concluded that there were higher odds of bicycling when cyclists reported a feeling of safety in relation to automobile traffic. This situation is further aggravated for hearing-impaired individuals, because, as mentioned, hearing provides important safety-related warning signs. Individuals with hearing disability thus tend to feel insecure when they perceive the environment unfavorably, preferring to use more convenient means of transportation or those assessed subjectively as safer.

Some elements should be considered when interpreting the study’s results. The use of self-reported measures can be considered a limitation, especially those related to environmental perception, since they express the individuals’ perceptions rather than objective measures. Such measures may even be subject to social desirability. Still, in assessing perception of the environment and hearing loss, validated instruments were used here, widely employed in previous studies and with valid results. Another potential limitation is that the study was performed in adults from the cities of Florianópolis, Porto Alegre and Brasília, and it is not possible to generalize the results to other populations.

The study’s contributions were mainly the fact that it involves a theme that has received little attention and is crucially important, contributing to future discussions on accessibility and mobility in Brazil, given that hearing loss is considered a relatively invisible disability. The study’s methods are another strength, emphasizing that health surveys constitute an important method for collecting epidemiological data, capable of backing more effective health promotion actions.

For future research, we suggest studies whose analyses include objective measures of the built environment. In addition, the investigation of hearing loss could include not only self-report, but also other feasible measures in household surveys. In March 2019, the WHO launched a hearing loss screening tool via an app, where individuals that fail the screening test receive an alert and are referred for diagnostic tests such as audiometry. According to the app’s developers, the tool’s sensitivity and specificity exceed 85% 3030. World Health Organization. Deafness prevention: hearWHO. https://www.who.int/deafness/hearWHO/en/ (acessado em Out/2018).
https://www.who.int/deafness/hearWHO/en/...
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Discussion of active urban mobility for persons with disability is essential for their social inclusion. The built environment can provide adequate and safe conditions for mobility to allow individual autonomy, eliminating architectural barriers. Urban spaces should be accessible to all, offering equitable and inclusive opportunities to users, especially in a society were most people are hearing-abled, representing a participatory planning action in pursuit of active urban mobility.

The study concluded that there was an association between hearing loss and levels of active urban mobility in adults in three Brazilian cities, according to negative perception of the environment. Persons with hearing loss that perceived the neighborhood negatively in terms of infrastructure for walking and pedaling tend to use active means of transportation less. It is necessary to motivate public policymakers and members of civil society in various social policy areas to develop and implement strategies with the environmental context at the center of the discussions. This should allow improving the urban population’s health conditions, especially for persons with this sensory disability.

Acknowledgments

The authors wish to thank the Brazilian Federal District Research Foundation (FAP-DF; Newton Fund Healthy Urban Living and the Social Science of the Food-Water-Energy - July 2015) and the U.K. Economic and Social Research Council (ESRC), whose funding made this study possible, the entire team involved in the Healthy Urban Mobility study, and the participants who shared their time and welcomed the interviewers into their homes.

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Publication Dates

  • Publication in this collection
    31 Oct 2019
  • Date of issue
    2019

History

  • Received
    31 Oct 2018
  • Reviewed
    11 Apr 2019
  • Accepted
    10 May 2019
Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz Rio de Janeiro - RJ - Brazil
E-mail: cadernos@ensp.fiocruz.br