{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T23:01:04Z","timestamp":1793314864466,"version":"4.5.0"},"reference-count":41,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2023,1,30]],"date-time":"2023-01-30T00:00:00Z","timestamp":1675036800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Institute for Health Research (NIHR)","award":["16\/137\/34"],"award-info":[{"award-number":["16\/137\/34"]}]},{"name":"National Institute for Health Research (NIHR)","award":["D43TW010540"],"award-info":[{"award-number":["D43TW010540"]}]},{"name":"National Institutes of Health Fogarty International Centre and the Office of Behavioral and Social Sciences","award":["16\/137\/34"],"award-info":[{"award-number":["16\/137\/34"]}]},{"name":"National Institutes of Health Fogarty International Centre and the Office of Behavioral and Social Sciences","award":["D43TW010540"],"award-info":[{"award-number":["D43TW010540"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Adolescence is a life stage critical to the establishment of healthy behaviours, including physical activity (PA). Factors associated with the built environment have been shown to impact PA across the life course. We examined the sociodemographic differences in, and associations between, perceived neighbourhood walkability, PA, and body mass index (BMI) in South African adolescents. We recruited a convenience sample (n = 143; 13\u201318 years; 65% female) of students from three high schools (middle\/high and low-income areas). Participants completed a PA questionnaire and the Neighbourhood Environment Walkability Scale (NEWS)-Africa and anthropometry measurements. Multivariable linear regression was used to examine various relationships. We found that, compared with adolescents living in middle\/high income neighbourhoods, those living in low-income neighbourhoods had lower perceived walkability and PA with higher BMI percentiles. The associations between neighbourhood walkability and PA were inconsistent. In the adjusted models, land use diversity and personal safety were associated with club sports participation, street connectivity was positively associated with school sports PA, and more favourable perceived walkability was negatively associated with active transport. Overall, our findings suggest that the perceived walkability of lower income neighbourhoods is worse in comparison with higher income neighbourhoods, though the association with PA and BMI is unclear.<\/jats:p>","DOI":"10.3390\/ijerph20032449","type":"journal-article","created":{"date-parts":[[2023,1,30]],"date-time":"2023-01-30T04:31:27Z","timestamp":1675053087000},"page":"2449","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Association of Perceived Neighbourhood Walkability with Self-Reported Physical Activity and Body Mass Index in South African Adolescents"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0966-3834","authenticated-orcid":false,"given":"Feyisayo A.","family":"Wayas","sequence":"first","affiliation":[{"name":"Research Centre for Health through Physical Activity, Lifestyle and Sport (HPALS), Division of Physiological Sciences, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9578-8520","authenticated-orcid":false,"given":"Joanne A.","family":"Smith","sequence":"additional","affiliation":[{"name":"Caribbean Institute for Health Research, Epidemiology Research Unit, The University of the West Indies, Mona, Kingston 7, Jamaica"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Estelle V.","family":"Lambert","sequence":"additional","affiliation":[{"name":"Research Centre for Health through Physical Activity, Lifestyle and Sport (HPALS), Division of Physiological Sciences, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Guthrie-Dixon","sequence":"additional","affiliation":[{"name":"Caribbean Institute for Health Research, Epidemiology Research Unit, The University of the West Indies, Mona, Kingston 7, Jamaica"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3417-4124","authenticated-orcid":false,"given":"Yves","family":"Wasnyo","sequence":"additional","affiliation":[{"name":"Health of Populations in Transition (HoPiT), Research Group, Faculty of Medicine and Biomedical Sciences, University of Yaound\u00e9 1, Yaound\u00e9 P.O. Box 8046, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sacha","family":"West","sequence":"additional","affiliation":[{"name":"Department of Sport Management, Cape Peninsula University of Technology, Cape Town 7705, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4499-1910","authenticated-orcid":false,"given":"Tolu","family":"Oni","sequence":"additional","affiliation":[{"name":"Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge CB2 0QQ, UK"},{"name":"Research Initiative for Cities Health and Equity (RICHE), School of Public Health and Family Medicine, University of Cape Town, Cape Town 7925, South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Louise","family":"Foley","sequence":"additional","affiliation":[{"name":"Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge CB2 0QQ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1016\/S0140-6736(12)60646-1","article-title":"Global physical activity levels: Surveillance progress, pitfalls, and prospects","volume":"380","author":"Hallal","year":"2012","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S2352-4642(19)30323-2","article-title":"Global trends in insufficient physical activity among adolescents: A pooled analysis of 298 population-based surveys with 1\u00b7 6 million participants","volume":"4","author":"Guthold","year":"2020","journal-title":"Lancet Child Adolesc. 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