Table 3.
The association between levels of leisure time PA during adolescence and poor mental health at age 20/21
| Girls (n=887) | Boys (n=702) | |||||||
|---|---|---|---|---|---|---|---|---|
| Crude OR | 95 % CI | Adj. ORh | 95 % CI | Crude OR | 95 % CI | Adj. ORh | 95 % CI | |
| Dichotomous exposure variable | ||||||||
| High level of LTPAi | 1 | 1 | 1 | 1 | ||||
| Low level of LTPA | 1.78 | 1.36–2.34 | 1.63 | 1.23–2.17 | 1.29 | 0.93–1.78 | 1.19 | 0.85–1.66 |
| Categorical exposure variable with three levels | ||||||||
| Very high level of LTPAi | 1 | 1 | 1 | 1 | ||||
| High level of LTPA | 1.12 | 0.75–1.66 | 1.12 | 0.75–1.69 | 1.12 | 0.75–1.66 | 1.08 | 0.72–1.62 |
| Low level of LTPA | 1.92j | 1.31–2.80 | 1.76 | 1.19–2.62 | 1.37 | 0.92–2.03 | 1.24 | 0.83–1.87 |
| Change in level of LTPA (15–18 yr) | ||||||||
| Increase/persistent high level of LTPAi | 1 | 1 | 1 | 1 | ||||
| Reduction/persistent low level of LTPA | 1.69k | 1.26–2.25 | 1.44 | 1.06–1.95 | 1.48l | 1.05–2.09 | 1.36 | 0.95–1.93 |
hAdjusted for BMI, mental health (14/15 yr), yearly household income and highest household education
iReference group
j Wald´s test for trend (p<0.001), kn=804, ln=593