Table 5 Results of final linear mixed models of socio-demographics by mental health problems

Gender

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.0001

 Female

0.95 (−0.09 to1.98)

1.51 (0.92 to 2.10)

−0.39 (−0.58 to −0.19)

0.93 (0.83 to 1.02)

 Male

–

–

–

–

Age

p < .01

p < .001

n.s.

n.s.

 12

0.45 (−0.48 to 1.38)

−0.05 (−0.58 to 0.48)

 13

0.10 (−0.66 to 0.86)

−0.06 (−0.50 to 0.37)

 14

0.04 (−0.73 to 0.82)

−0.25 (−0.69 to 0.19)

 15

−0.15 (−0.94 to 0.65)

−0.29 (−0.74 to 0.16)

 16

–

–

Age × gender

p < .0001

p < .0001

n.s.

n.s.

 12 × female

−1.31 (−2.64 to −0.02)

−0.85 (−1.60 to −0.10)

  Female

−0.36 (−1.25 to 0.53)

0.66 (0.16 to 1.16)

 13 × female

−0.65 (−1.79 to 0.48)

−0.73 (−1.37 to −0.08)

  Female

0.29 (−0.27 to 0.86)

0.78 (0.46 to 1.10)

 14 × female

0.22 (−0.94 to 1.37)

−0.01 (−0.66 to 0.65)

  Female

1.16 (0.57 to 1.76)

1.50 (1.16 to 1.84)

 15 × female

1.33 (0.14 to 2.52)

0.68 (0.01 to 1.35)

  Female

2.28 (1.62 to 2.94)

2.19 (1.82 to 2.57)

 16 × Female

–

–

  Female

0.95 (−0.04 to 1.93)

1.51 (0.95–2.07)

Aboriginality

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.001

 Aboriginal and/or Torres Strait Islander

2.02 (1.49 to 2.55)

0.70 (0.40 to 1.00)

1.33 (1.01 to 1.66)

−0.27 (−0.43 to −0.12)

 Non-Aboriginal

–

–

–

–