Table 3 Primary outcomes at baseline and follow-ups for Physical First Aid and Youth Mental Health First Aid groups

Baseline to 1-year follow-up

Baseline to 2-year follow-up

n/N

%

n/N

%

n/N

%

n/N

%

n/N

%

n/N

%

OR (95% CI)

OR (95% CI)

Adolescent with mental health problem – parent reported^a

19/151

12.6

31/168

18.5

8/96

8.33

15/109

13.8

10/80

12.5

14/98

14.3

2.03 (0.23 to 17.54)

0.44 (0.05 to 4.14)

Adolescent with mental health problem – adolescent reported^b

11/142

7.75

20/159

12.6

6/86

6.98

12/100

12.0

5/69

7.25

5/81

6.17

0.80 (0.12 to 5.33)

0.24 (0.02 to 2.26)

Mother supported adolescent very well^c

14/26

53.9

17/30

56.7

6/10

60.0

8/22

36.4

2/11

18.2

8/20

40.0

0.21 (0.01 to 6.07)

6.55 (0.12 to 343.44)

Father supported adolescent very well^c

7/23

30.4

7/29

24.1

3/8

37.5

2/21

9.52

2/10

20.0

5/19

26.3

0.34 (0.01 to 9.71)

3.65 (0.12 to 111.62)

Baseline to 1-year follow-up

Baseline to 2-year follow-up

M

SD

M

SD

M

SD

M

SD

M

SD

M

SD

M_diff (95% CI), d (95% CI)

M_diff (95% CI), d (95%CI)

Quality of parental support towards adolescents with mental health problem

2.55

1.18

2.41

1.19

2.29

1.08

2.46

1.00

2.61

1.09

2.82

1.45

0.37 (− 0.42 to 1.15), 0.17 (− 0.38 to 0.71)

0.37 (− 0.44 to 1.18). 0.16 (− 0.41 to 0.73)