Table 1 Prevalence of service contact % (95% CI) by varying socio-demographic and clinical characteristics of children and youth.

Sex

 Male

9.24 (7.48, 11.01)

22.78 (19.90, 25.67)

6.54 (4.88, 8.21)

74.52 (71.62, 77.41)

9.98 (7.19, 12.76)

16.84 (13.72, 19.95)

5.26 (3.74, 6.78)

79.04 (75.36, 82.72)

 Female

5.17 (3.69, 6.66)

17.88 (14.44, 21.33)

3.29 (2.06, 4.53)

80.24 (76.77, 83.71)

7.92 (6.23, 9.61)

16.29 (12.95, 19.62)

5.86 (3.82, 7.89)

81.06 (77.74, 84.36)

 Chi Squared, P value

13.2*, p < 0.001

4.93*, p = 0.03

10.11*, p = 0.002

6.60*, p = 0.01

1.69, p = 0.19

0.05, p = 0.82

0.22, p = 0.64

0.67, p = 0.41

 Number of biological parents in home

 Two

6.63 (5.18, 8.09)

18.82 (16.20, 21.44)

4.48 (3.20, 5.76)

79.02 (76.34, 81.69)

6.99 (5.46, 8.53)

13.58 (11.39, 15.76)

4.04 (2.97, 5.10)

83.47 (81.04, 85.89)

 One or no bio-parents

10.33 (7.52, 13.14)

28.16 (23.59, 32.72)

7.34 (4.79, 9.88)

68.85 (64.28, 73.43)

15.7 (10.88, 20.44)

26.57 (21.08, 32.06)

10.69 (6.71, 14.67)

68.46 (62.00, 74.92)

 Chi Squared, P value

5.54*, p = 0.019

14.07*, p < 0.001

4.14*, p = 0.042

15.73*, p < 0.001

17.88*, p < 0.001

24.12*, p < 0.001

19.02*, p < 0.001

25.19*, p < 0.001

Household poverty^a

 Low-income

6.23 (4.78, 7.69)

20.06 (17.32, 22.81)

4.36 (3.08, 5.65)

78.06 (75.32, 80.79)

9.07 (7.17, 10.97)

16.69 (14.29, 19.09)

5.64 (4.13, 7.16)

79.87 (77.03, 82.72)

 Not low-income

11.52 (8.73, 14.30)

21.79 (17.89, 25.67)

7.46 (5.46, 9.45)

74.15 (70.04, 78.26)

8.59 (5.93, 11.24)

15.98 (12.2, 19.80)

5.21 (3.07, 7.36)

80.64 (76.72, 84.57)

 Chi Squared, P value

11.50*, p < 0.001

0.54, p = 0.46

6.79*, p = 0.009

2.64, p = 0.10

0.09, p = 0.76

0.10, p = 0.75

0.10, p = 0.76

0.11, p = 0.74

Immigrant parents

 Immigrant

6.28 (4.37, 8.19)

13.91 (11.32, 16.45)

3.04 (1.78, 4.29)

82.85 (80.03, 85.67)

5.22 (3.66, 6.77)

7.41 (5.46, 9.36)

2.79 (1.61, 3.98)

90.16 (88.08, 92.24)

 Non-immigrant

7.98 (6.25, 9.71)

25.16 (22.01, 28.32)

6.38 (4.73, 8.02)

73.23 (70.12, 76.35)

11.82 (9.12, 14.52)

23.5 (20.30, 26.60)

7.65 (5.47, 9.84)

72.38 (68.69, 76.07)

 Chi Squared, P value

1.48, p = 0.22

33.89*, p < 0.001

8.80*, p = 0.003

23.15*, p < 0.001

16.85*, p < 0.001

59.20*, p < 0.001

13.41*, p < 0.001

66.83*, p < 0.001

Urban–rural residency

 Large urban centre

7.17 (5.69, 8.66)

18.75 (16.1, 21.39)

4.96 (3.65, 6.27)

79.04 (76.33, 81.75)

8.52 (6.52, 10.53)

14.41 (12.02, 16.79)

4.66 (3.14, 6.17)

81.72 (78.72, 84.73)

 Small-medium centre

7.19 (3.56, 10.82)

26.96 (20.59, 33.32)

5.35 (1.99, 8.71)

71.19 (64.84, 77.55)

8.51 (5.01, 12.02)

21.35 (14.69, 28.01)

4.66 (2.53, 6.79)

74.79 (68.19, 81.39)

 Rural area

7.86 (3.26, 12.46)

20.08 (13.57, 26.59)

4.41 (2.02, 6.79)

76.46 (69.34, 83.58)

11.73 (6.95, 16.49)

21.18 (16.13, 26.23)

10.92 (6.11, 15.73)

78.01 (72.87, 83.16)

 Chi Squared, P value

L-S 0.00, p = 0.99

L-R 0.08, p=0.77

S-R 0.04, p=0.83

L-S 6.30*, p = 0.012

L-R 0.14, p=0.71

S-R 2.20, p=0.14

L-S 0.04, p = 0.83

L-R 0.15, p=0.69

S-R 0.19, p=0.66

L-S 5.47*, p = 0.019

L-R 0.46, p=0.49

S-R 1.12, p=0.29

L-S 0.00, p = 0.99

L-R 1.58, p=0.21

S-R 1.20, p=0.27

L-S 4.62*, p = 0.011

L-R 6.22, p=0.013

S-R 0.00, p=0.97

L-S 0.00, p = 0.99

L-R 8.43, p=0.004

S-R 6.61, p=0.010

L-S 4.32*, p = 0.038

L-R 1.46, p=0.23

S-R 0.56, p=0.46

Disorder (parent report)^b

Mean Dimensional Scores (95%CI)

 Internalizing

0.70 (0.41, 0.99)

0.71 (0.55, 0.86)

1.09 (0.71, 1.48)

− 0.19 (− 0.24, − 0.15)

1.31 (1.00, 1.61)

1.17 (0.94, 1.39)

1.79 (1.42, 2.17)

− 0.18 (− 0.23, − 0.12)

 Externalizing

0.83 (0.61, 1.05)

0.68 (0.56, 0.81)

1.27 (1.00, 1.53)

− 0.19 (− 0.22, − 0.15)

0.76 (0.51, 1.04)

0.93 (0.70, 1.16)

1.09 (0.71, 1.48)

− 0.18 (− 0.22, − 0.13)

 ADHD

1.20 (0.96,1.44)

0.91 (0.78, 1.04)

1.69 (1.40, 1.99)

− 0.12 (− 0.16, − 0.08)

0.77 (0.52, 1.02)

0.62 (0.46, 0.78)

0.97 (0.66, 1.28)

− 0.32 (− 0.36, − 0.27)