| Effect of urbanization on objectively measured physical activity levels, sedentary time, and indices of adiposity in kenyan adolescents. | |
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MedLine Citation:
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PMID: 22232497 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Urbanization affects lifestyles in the developing world but no studies have assessed the impact on objectively measured physical activity in children and adolescents from sub-Saharan Africa. PURPOSE: To compare objectively measured habitual physical activity, sedentary time, and indices of adiposity in adolescents from rural and urban areas of Kenya. METHODS: Physical activity and sedentary time were assessed by accelerometry for 5 consecutive days in 97 (50 female and 47 male) rural and 103 (52 female and 51 male) urban adolescents (mean age 13 ± 1 years). Body Mass Index (BMI) and BMI z-scores were used to assess adiposity. RESULTS: Rural males spent more time in moderate-to-vigorous intensity physical activity (MVPA) compared with urban males (68 ± 22 vs. 50 ± 17 min, respectively; P < .001). Similarly, Rural females spent more time in MVPA compared with urban females (62 ± 20 vs. 37 ± 20 min, respectively; P < .001). Furthermore, there were significant differences in daily sedentary time between rural and urban subjects. Residence (rural vs. urban) significantly (P < .001) influenced BMI z-score (R2 = .46). CONCLUSION: Rural Kenyan adolescents are significantly more physically active (and less sedentary) and have lower indices of adiposity compared with urban adolescents and this is a likely reflection of the impact of urbanization on lifestyle in Kenya. |
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Authors:
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Robert M Ojiambo; Chris Easton; Jose A Casajús; Kenn Konstabel; John J Reilly; Yannis Pitsiladis |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of physical activity & health Volume: 9 ISSN: 1543-5474 ISO Abbreviation: J Phys Act Health Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101189457 Medline TA: J Phys Act Health Country: United States |
Other Details:
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Languages: eng Pagination: 115-23 Citation Subset: IM |
Affiliation:
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Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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