Social vulnerability as a predictor of physical activity and screen time in European children
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To examine associations between social vulnerabilities and meeting physical activity (PA) and screen time (ST) recommendations during a 2-year follow-up.
13,891 children aged 2.0 to < 9.9 from eight European countries were assessed at baseline and 8482 children at follow-up. Children’s sports club membership, PA and ST were collected via parental questionnaires. Moderate-to-vigorous physical activity (MVPA) was objectively assessed with accelerometers. Performing at least 1 h of MVPA daily and spending less than 2 h of ST defined physically active and non-sedentary children, respectively. Vulnerable groups were defined at baseline as children whose parents had minimal social networks, from non-traditional families, with migrant origin or with unemployed parents. Logistic mixed-effects analyses were performed adjusting for classical socioeconomic indicators.
Children whose parents had minimal social networks had a higher risk of non-compliance with PA recommendations (subjectively assessed) at baseline. Migrants and children with unemployed parents had longer ST. All vulnerable groups were less likely to be sports club members.
Migrants and children with unemployed parents are at risk for excessive ST and all vulnerable groups have lower odds of being sports club members.
KeywordsVulnerable groups Physical activity Accelerometry Screen time Children IDEFICS study
Moderate to vigorous physical activity
Identification and prevention of dietary- and lifestyle-induced health effects in children and infants
Follow-up after the intervention
This work has been done as part of the IDEFICS Study (http://www.idefics.eu). The authors gratefully acknowledge the financial support of the European Community within the Sixth RTD Framework Programme Contract No. 016181 (FOOD). I. I has been financed by the FPU (Grant Reference FPU014/00922) Predoctoral Programs (Spanish Ministry of Education and Science). We thank the IDEFICS children and their parents who generously volunteered and participated in this project.
The authors’ contributions were as follows: II carried out the statistical analysis and drafted the manuscript. CB designed the statistical analyses. KB, JMF-A, NM, LL, and OS, developed the measurement instruments; SDH, RF, LAM, AP, LAR, PR, and TV supervised the national data collection procedures. All authors read and critically reviewed the manuscript.
Compliance with ethical standards
Conflict of interest
The authors declare that there are no conflicts of interest regarding this manuscript.
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