Table 2.

Modified Poisson regression exploring the socio-demographical and clinical correlates of mental health related service contacts across provider types.

Sample/model	Total sample/non-multinomial	Among children and youth with service contacts/multinomial
Outcomes	Any MH service contact Physician or non-physician (n = 1952)	Physician Only (n = 261) vs Non-physician only (n= 1220)	Physician only (n = 261) vs both physician + non-physician (n = 471)	Non-physician only (n = 1220) vs both physician + non-physician (n = 471)
Variable	Adjusted for All Factors PRa (95% CI)	Adjusted for All Factors PRa (95% CI)	Adjusted for All Factors PRa (95% CI)	Adjusted for All Factors PRa (95% CI)
Age
4–11 years	Ref.	Ref.	Ref.	Ref.
12–17 years	0.84* (0.73, 0.97)	3.02* (1.79, 5.07)	1.94* (1.05, 3.59)	0.64* (0.44, 0.93)
Sex
Female	Ref.	Ref.	Ref.	Ref.
Male	1.08 (0.93, 1.25)	1.38 (0.81, 2.36)	1.10 (0.59, 2.05)	0.79 (0.53, 1.19)
Number of biological parents in home
Two	Ref.	Ref.	Ref.	Ref.
One or no biological parents	1.31* (1.10, 1.55)	0.85 (0.41, 1.77)	0.69 (0.30, 1.61)	0.82 (0.53, 1.27)
Household poverty
Not low-income	Ref.	Ref.	Ref.	Ref.
Low-income	0.95 (0.82, 1.09)	1.82 (0.91, 3.63)	1.46 (0.71, 3.02)	0.80 (0.52, 1.24)
Immigrant Backgr.
Non- Immigrant	Ref.	Ref.	Ref.	Ref.
Immigrant	0.65* (0.55, 0.75)	2.23* (1.16, 4.28)	2.17* (1.06, 4.43)	0.97 (0.60, 1.57)
Urban–rural residency
Large urban centre	Ref.	Ref.	Ref.	Ref.
Small-medium centr	1.09 (0.92, 1.29)	0.83 (0.38, 1.83)	1.44 (0.53, 3.91)	1.73 (0.91, 3.31)
Rural area	1.05 (0.85, 1.29)	0.79 (0.26, 2.42)	0.47 (0.15, 1.49)	0.59 (0.34, 1.05)
Internalizingb	1.31* (1.24, 1.38)	0.75* (0.59, 0.94)	0.59* (0.45, 0.78)	0.79* (0.68, 0.93)
Externalizingb	1.06 (0.99, 1.13)	0.68* (0.53, 0.88)	0.71* (0.53, 0.94)	1.04 (0.91, 1.19)
ADHDa	1.28* (1.21, 1.35)	1.15 (0.95, 1.39)	0.79 (0.62, 1.01)	0.69* (0.57, 0.84)

^aPR prevalence ratio

*p < 0.05

^bParent report