INTRODUCTION The World Health Organisation recommends that children and adolescents engage in at least 60 min of moderate-to-vigorous physical activity per day. Previous research has shown that physical activity is related… Click to show full abstract
INTRODUCTION The World Health Organisation recommends that children and adolescents engage in at least 60 min of moderate-to-vigorous physical activity per day. Previous research has shown that physical activity is related to other constructs such as mental well-being and self-rated health. This study examined the inter-relatedness of these constructs in Northern Irish school children. METHODS This study was a secondary analysis of data gathered as part of a longitudinal study. Participants were n = 1791 adolescents in their final years of secondary (high) school (age range 15-18; female = 64.6%). Data were gathered on three occasions over a 2-year period on self-rated health, physical activity, mental well-being, heavy episodic drinking, lifetime smoking, psychological and somatic symptoms, as well as a range of socio-demographic measures. RESULTS Descriptive results showed extremely low levels of self-reported physical activity within the past week, with <6% of the sample attaining the WHO guidelines at each wave of data collection. There were significant gender differences on all variables assessed. Results further showed a small-sized relationship (statistically significant for girls only) between physical activity and mental well-being. There was also a small-sized relationship between physical activity and self-rated health. Notably, effect sizes for the relationship between self-rated health and both physical activity and mental well-being were higher. In terms of socio-demographic predictors of lower physical activity, being female, lifetime cigarette smoking, and higher somatic and psychological symptoms were all statistically significant factors. CONCLUSION Self-rated health emerged as the most important predictor of physical activity among adolescents.
               
Click one of the above tabs to view related content.