Cross-sectional associations of objectively assessed sleep duration with physical activity, BMI and television viewing in German primary school children

Autor: Susanne Kobel, Olivia Wartha, Jens Dreyhaupt, Sarah Kettner, Jürgen M. Steinacker
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: BMC Pediatrics, Vol 19, Iss 1, Pp 1-10 (2019)
Druh dokumentu: article
ISSN: 1471-2431
DOI: 10.1186/s12887-019-1429-3
Popis: Abstract Background The global incidence of overweight and obesity has increased dramatically among children and adolescents over the past decades. Insufficient sleep duration and physical inactivity are known risk factors for overweight and obesity in children. To engage children in a healthier lifestyle knowledge about associations of sleep duration and behavioural aspects in children are vital. Therefore, this study investigated the mentioned associations in German primary school children. Methods Data of 308 first and second graders (7.1 ± 0.6 years) was used; children’s anthropometric data were taken during a school visit. Children’s physical activity (PA) and sleep duration were assessed objectively (Actiheart©, CamNtech Ltd., Cambridge, UK); children’s daily television time and socio-demographic data were collected via parental questionnaire. Linear mixed-effects regression models as well as logistic regressions were used to determine associations of PA, television viewing, age, gender, BMI z-scores and socio-economic variables on sleep duration. Results In linear regression models young age and not having a migration background were significantly associated with long sleep duration (p
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