Table 4 Secondary outcomes at baseline and 3-year follow-up for Physical First Aid and Youth Mental Health First Aid groups

MHFA knowledge

152

9.77

2.76

170

10.28

2.71

62

9.95

2.62

86

12.00

2.13

0.96 (0.26 to 1.66)^**, 0.31 (−0.02 to 0.63)

Problem recognition

152

0.63

0.35

170

0.66

0.31

62

0.76

0.28

86

0.86

0.23

0.03 (−0.05 to 0.11), 0.07 (− 0.25 to 0.40)

Quality of MHFA intentions

152

2.24

0.62

170

2.34

0.73

62

2.29

0.78

86

2.58

0.84

0.12 (−0.15 to 0.39), 0.09 (− 0.23 to 0.42)

Confidence

151

2.25

0.68

169

2.36

0.61

62

2.13

0.72

86

2.08

0.59

−0.11 (−0.29 to 0.08), 0.01 (− 0.32 to 0.33)

Quality of MHFA support towards other person

86

2.23

1.16

113

2.29

1.14

34

2.18

1.34

58

2.47

1.14

0.21 (−0.35 to 0.76), 0.24 (− 0.19 to 0.66)

Social distance (parent)

145

2.16

0.66

160

2.08

0.63

61

1.89

0.67

85

1.79

0.58

0.05 (−0.12 to 0.21), − 0.05 (− 0.38 to 0.29)

Dangerous/ unpredictable stigma (parent)

147

2.48

0.52

164

2.44

0.56

61

2.31

0.60

85

2.26

0.56

0.03 (−0.16 to 0.21), − 0.09 (− 0.41 to 0.24)

Social distance (adolescent)

140

2.23

0.61

157

2.20

0.66

47

2.22

0.64

69

2.18

0.60

−0.06 (−0.25 to 0.13), 0.10 (− 0.28 to 0.47)

Weak not sick stigma (adolescent)

142

2.33

0.65

157

2.29

0.75

48

1.62

0.58

69

1.54

0.63

0.08 (−0.15 to 0.30), − 0.24 (− 0.61 to 0.13)

Dangerous/ unpredictable stigma (adolescent)

133

2.63

0.67

148

2.56

0.67

48

2.56

0.52

65

2.46

0.67

−0.08 (−0.31 to 0.14), 0.19 (− 0.20 to 0.57)

Perceived general social support from parent

142

16.26

3.11

159

15.74

3.50

49

14.37

3.30

69

15.48

3.28

1.15 (0.09 to 2.21)^*, 0.35 (−0.02 to 0.72)

Adolescent intended help-seeking from parent

140

2.71

1.18

158

2.38

1.27

48

2.69

1.36

69

2.46

1.43

0.03 (−0.43 to 0.48), 0.03 (− 0.34 to 0.40)

n

%

n

%

n

%

n

%

OR (95% CI)

Weak not sick stigma (parent) – median or below

87

57.6

95

56.6

46

74.2

70

81.4

1.06 (0.29 to 3.83)

K6 above cut-off (parent)

28

18.5

37

21.9

12

19.7

13

15.1

0.38 (0.09 to 1.69)

K6 above cut-off (adolescent)

33

23.4

42

26.6

16

33.3

21

30.4

0.71 (0.17 to 3.02)

Parent sought appropriate help for own mental health problem

36

81.8

49

69.0

12

75.0

24

75.0

10.24 (0.27 to 384.71)

Adolescent sought help from parent for mental health problem

22

75.9

24

77.4

6

40.0

17

65.4

4.69 (0.36 to 61.64)

Adolescent sought help from health professional for mental health problem

19

65.5

23

74.2

9

60.0

19

73.1

1.16 (0.15 to 8.87)