The differential role of physical activity intensity and intrinsic motivation on children’s well-being
Background: Negative life events are associated with lower well-being in children, and this association may vary with physical activity and motivational quality.
Objectives: This study examined gender differences in negative life events, physical activity, motivation, and well-being and tested whether moderate and vigorous physical activity moderated the association between negative life events and well-being. It further explored whether intrinsic motivation extended this moderating relationship.
Methods: This cross-sectional study included 752 children aged 8–14 years (335 boys, 417 girls; mean = 10.36 years) and their parents. Parents reported negative life events and physical activity; children reported well-being and intrinsic motivation. Moderation analyses were conducted separately by gender, alongside formal tests of gender differences.
Results: Parents rated negative life events more severe for girls. Girls also reported lower vigorous physical activity, intrinsic motivation, and well-being. Greater event severity was associated with lower well-being in boys and girls. Formal gender differences in moderations were significant for vigorous but not for moderate physical activity. Follow-up gender-stratified analyses showed that, among girls, higher moderate activity was associated with a weaker negative association between event severity and well-being, whereas higher vigorous activity was associated with a stronger negative association. No interactions were observed among boys. The three-way interactions involving intrinsic motivation were non-significant.
Conclusion: A statistically significant difference in moderations was observed for vigorous but not for moderate physical activity. Thus, gender-stratified findings for moderate activity should be considered exploratory. Given the cross-sectional design and subjective assessment of physical activity intensity, findings should be interpreted as associative.
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