Table 3 The association between levels of leisure time PA during adolescence and poor mental health at age 20/21

 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

 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

1.92^j

1.31–2.80

1.76

1.19–2.62

1.37

0.92–2.03

1.24

0.83–1.87

 Increase/persistent high level of LTPAⁱ

1

1

1

1

 Reduction/persistent low level of LTPA

1.69^k

1.26–2.25

1.44

1.06–1.95

1.48^l

1.05–2.09

1.36

0.95–1.93