Lifestyle-related behaviors and health-related quality of life among children and adolescents in China

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Qin, Z
Wang, N
Ware, RS
Sha, Y
Xu, F
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2021
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Abstract

Purpose: To investigate associations of five typical lifestyle-related behavioral risk factors (insufficient physical activity, prolonged screen viewing, deprived sleeping, consumption of fast food and sugar-sweetened beverage) with health-related quality of life (HRQoL) among school students in China. Methods: Students aged 9–17 years (grades 4–12) were randomly selected from primary and high schools in Nanjing, China, to participate in this cross-sectional study in 2018. The outcome variable, HRQoL, was assessed using the Child Health Utility 9D (CHU9D) instrument and scored from 0 (worst) to 1 (best). Physical activity (including screen viewing and sleeping) and dietary intake were measured using a validated Physical Activity Scale and Food Frequency Questionnaire, respectively. Lifestyle-related behaviors were categorized as sufficient/insufficient or no/yes, and their associations with HRQoL were assessed using mixed-effects linear regression models. Results: Overall, 4388 participants completed the questionnaire (response rate = 97.6%). Students with insufficient physical activity [mean difference (MD) = − 0.03; 95% confidence interval (CI) = − 0.04, − 0.01], prolonged screen time (MD = − 0.06; 95% CI = − 0.07, − 0.04), insufficient sleeping time (MD = − 0.04; 95% CI = − 0.07, − 0.02), consumption of sugar-sweetened beverage (MD = − 0.02; 95% CI = − 0.03, − 0.01) or fast food intake (MD = − 0.03; 95% CI = − 0.04, − 0.02) reported significantly lower HRQoL scores. When considered additively, each additional lifestyle-related risk factor was associated with an average decrease of 0.03 units (95% CI: − 0.03, − 0.02) CHU9D score. Conclusions: For Chinese students, HRQoL was positively associated with physical activity and sleep duration, but negatively with screen time and consumption of sugar-sweetened beverage and fast food. Moreover, lifestyle-related behaviors may have an additive effect on HRQoL.

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Health and Quality of Life Outcomes

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19

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1

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© The Author(s) 2021. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.

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Nutrition and dietetics

Health services and systems

Public health

Sociology

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Qin, Z; Wang, N; Ware, RS; Sha, Y; Xu, F, Lifestyle-related behaviors and health-related quality of life among children and adolescents in China, Health and Quality of Life Outcomes, 2021, 19 (1), pp. 8

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