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Ann Glob Health. 2017 Mar - Apr;83(2):311-319. doi: 10.1016/j.aogh.2017.04.005. Epub 2017 May 29.

Physical Activity, Sleep, and BMI Percentile in Rural and Urban Ugandan Youth.

Author information

1
Department Pediatrics, University of Minnesota, Minneapolis, MN.
2
Department of Kinesiology and Community Health and Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Champaign, IL. Electronic address: dgrigs1@illinois.edu.
3
Department of Biochemistry and Sports Science, College of Natural Sciences, Makerere University, Kampala, Uganda.
4
Departments of Biochemistry and Nutritional Sciences, University of Wisconsin-Madison, Madison, WI.

Abstract

BACKGROUND:

Uganda is experiencing a dual burden of over- and undernutrition, with overweight prevalence increasing while underweight remains common. Potential weight-related factors, particularly physical activity, sleep, and rural/urban status, are not currently well understood or commonly assessed in Ugandan youth.

OBJECTIVE:

The purpose of this study was to pilot test a survey measuring weight-related factors in rural and urban Ugandan schoolchildren.

METHODS:

A cross-sectional survey measured sociodemographics, physical activity, sleep patterns, and dietary factors in 148 rural and urban schoolchildren aged 11-16 in central Uganda. Height and weight were objectively measured. Rural and urban youth were compared on these factors using χ2 and t tests. Regression was used to identify correlates of higher body mass index (BMI) percentile in the full sample and nonstunted youth.

FINDINGS:

Youth were on average 12.1 ± 1.1 years old; underweight (10%) was more common than overweight (1.4%). Self-reported sleep duration and subjective sleep quality did not differ by rural/urban residence. Rural children overall had higher BMI percentile and marginally higher stunting prevalence. In adjusted analyses in both the full and nonstunted samples, higher BMI percentile was related to living in a rural area, higher frequency of physical activity, and higher subjective sleep quality; it was negatively related to being active on weekends. In the full sample, higher BMI percentile was also related to female gender, whereas in nonstunted youth, higher BMI was related to age. BMI percentile was unrelated to sedentary time, performance of active chores and sports, and dietary factors.

CONCLUSIONS:

This study is one of the first to pilot test a survey assessing weight-related factors, particularly physical activity and sleep, in Ugandan schoolchildren. BMI percentile was related to several sociodemographic, sleep, and physical activity factors among primarily normal-weight school children in Uganda, providing a basis for understanding weight status in the context of the nutrition transition.

KEYWORDS:

nutrition transition; overnutrition; physical activity; sleep; sub-Saharan Africa

PMID:
28619406
DOI:
10.1016/j.aogh.2017.04.005
[Indexed for MEDLINE]

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