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Family and home influences on children's after-school and weekend physical activity
Alison M McMinn1, Simon J Griffin, Andrew P Jones
11 Medical Research Council Epidemiology Unit, Cambridge, UK.
Insights
Family social support boosts children's physical activity (PA) on weekdays and weekends. However, rules and restrictions on PA are only significant for weekday activity, suggesting tailored timing for PA promotion strategies.
Area of Science:
- Pediatric Health
- Behavioral Science
- Public Health
Background:
- Family and home environments significantly influence children's physical activity (PA).
- These influences may vary depending on the time of day and week.
- Understanding these time-dependent factors is crucial for effective PA interventions.
Purpose of the Study:
- To investigate the time-dependent associations between family/home factors and children's PA.
- To compare correlates of PA after school on weekdays versus during weekends.
- To inform targeted PA promotion strategies based on temporal factors.
Main Methods:
- Utilized data from 1608 children (9-10 years) in the SPEEDY study.
- Objectively measured PA using Actigraph GT1M and collected data on 21 family/home variables.
- Employed multi-level multiple linear regression to analyze associations with moderate-to-vigorous PA (MVPA).
Main Results:
- Weekday after-school MVPA associated with parent education, neighborhood play access, travel restrictions, sedentary behavior rules, and family social support.
- Weekend MVPA associated with number of siblings, family encouragement, and family social support.
- Family social support positively correlated with MVPA in both time periods.
Conclusions:
- Family social support is a consistent positive correlate of children's out-of-school PA.
- Weekday PA is influenced by rules and restrictions, while weekend PA is more associated with family encouragement and social support.
- PA promotion strategies should consider the time-specific nature of family and home influences.
Background:
Family- and home-related factors have been shown to be associated with children's physical activity (PA), but may be time-dependent. Here we investigate whether family- and home-related correlates of children's PA are different for the after-school period on weekdays than for the weekend.
Methods:
Data on 21 family- and home-related variables and objectively measured PA (Actigraph GT1M) were available from 1608 Year 5 children (9-10 years old) from 92 schools in Norfolk participating in the SPEEDY (Sport, Physical activity and Eating behaviour: Environmental Determinants in Young people) study. Multi-level multiple linear regression was used to quantify cross-sectional associations between the family/home variables and average min per day of moderate-to-vigorous PA (MVPA, ≥2000 counts/min) after school on weekdays and at the weekend. Models were additionally adjusted for age, sex, BMI z-score and registered accelerometer wear time.
Results:
After-school MVPA was associated with parent education (ß: -1.1; 95% CI -2.0 to -0.2), being allowed to play out in the neighbourhood (ß: 1.3; 0.7-1.8), restrictions on walking/cycling to friends' houses (ß: -1.1; -1.6 to -0.7), restrictions on sedentary behaviour (ß: -0.3; -0.5 to -0.02) and family social support (ß: 1.0; 0.7-1.3). Weekend MVPA was associated with number of siblings (ß: 2.6; 0.5-4.8), family encouragement (ß: 1.1; 0.2-2.0) and family social support (ß: 1.5; 0.5-2.5).
Conclusion:
Family social support is positively associated with children's out-of-school PA both at weekdays and in weekends. However, rules and restrictions appear to be important only on weekdays. The results of this study merit consideration when identifying appropriate timing of PA-promotion strategies.
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