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Int. J. Environ. Res. Public Health 2017, 14(6), 566; doi:10.3390/ijerph14060566

Sleep Duration, Sleep Quality, Body Mass Index, and Waist Circumference among Young Adults from 24 Low- and Middle-Income and Two High-Income Countries

1
HIV/AIDS/STIs and TB (HAST), Human Sciences Research Council, Pretoria 0001, South Africa
2
Department of Research & Innovation, University of Limpopo, Sovenga 0727, South Africa
3
ASEAN Institute for Health Development, Mahidol University, Salaya, Phutthamonthon, Nakhon Pathom 73170, Thailand
*
Author to whom correspondence should be addressed.
Academic Editor: Sylvia Kirchengast
Received: 14 March 2017 / Revised: 4 May 2017 / Accepted: 25 May 2017 / Published: 26 May 2017
(This article belongs to the Collection Health Behavior and Public Health)
View Full-Text   |   Download PDF [310 KB, uploaded 30 May 2017]

Abstract

Obesity and its comorbidities have emerged as a leading public health concern. The aim of this study was to explore the relationship between body mass index (BMI), waist circumference (WC) and sleep patterns, including duration and disturbances. A cross-sectional questionnaire survey and anthropometric measurements were conducted with undergraduate university students that were randomly recruited in 26 universities in 24 low- and middle-income and two high-income countries. The sample included 18,211 (42.1% male and 57.9% female, mean age 21.0 in male and 20.7 years in female students) undergraduate university students. The overall BMI was a mean of 22.5 kg/m2 for men and 22.0 kg/m2 for women, and the mean WC was 78.4 cm for men and 73.8 cm for women. More than 39% of the students reported short sleep duration (≤6 h/day) and over 30% reported moderate to extreme sleep problems. In a linear multivariable regression, adjusted for sociodemographic and lifestyle factors, short sleep duration was positively associated with BMI in both men and women, and was positively associated with WC among women but not among men. Sleep quality or problems among men were not associated with BMI, while among women mild sleep problems were inversely associated with BMI, and poor sleep quality or problems were positively associated with WC both among men and women. The study confirmed an association between short sleep duration and increased BMI and, among women, increased WC, and an association between poor sleep quality and increased WC but not BMI. Further, differences in the association between sleep characteristics and BMI and WC were found by region and country income. View Full-Text
Keywords: sleep duration; sleep quality; body mass index; waist circumference; young adults; low- and middle-income countries sleep duration; sleep quality; body mass index; waist circumference; young adults; low- and middle-income countries
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Peltzer, K.; Pengpid, S. Sleep Duration, Sleep Quality, Body Mass Index, and Waist Circumference among Young Adults from 24 Low- and Middle-Income and Two High-Income Countries. Int. J. Environ. Res. Public Health 2017, 14, 566.

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