Table 6.

Predictors of the Number of Hospital/Physician Visits for a Depression Diagnosis for Siblings of DD Children Born 1990–1995, (exp)β (probability).

Variable	Younger Sisters	Older Sisters	Younger Brothers	Older Brothers
Cohort (siblings of children with a DD vs siblings of children without a DD)	1.17 (p = 0.0084)	1.12 (p = 0.0140)	1.66 (p < 0.0001)	1.26 (p < 0.0001)
Age at birth of or nearness of age to the child with the DD	1.03 (p < 0.0001)	1.03 (p < 0.0001)	1.04 (p < 0.0001)	1.02 (p < 0.0001)
Sex of the child with the DD (female vs male)	N.S.	N.S.	1.120 (p < 0.0001)	N.S.
Number of children in the family	N.S.	0.88 (p < 0.0001)	N.S.	0.93 (p = 0.0131)
Income quintile
Lowest vs highest	0.89 (p = 0.0009)	N.S.	0.86 (p = 0.0002)	0.88 (p < 0.0001)
2nd vs highest	0.90 (p = 0.0026)	N.S.	0.76 (p < 0.0001)	0.88 (p < 0.0001)
3rd vs highest	0.89 (p = 0.0009)	N.S.	0.92 (p = 0.0264)	0.90 (p = 0.0005)
4th vs highest	1.03 (p = 0.3868)	N.S.	0.89 (p = 0.0027)	0.93 (p = 0.0189)
Receipt of an MSP subsidy	N.S.	N.S.	1.08 (p = 0.0082)	1.14 (p < 0.0001)
Health authority
Interior vs Vancouver Coastal	0.75 (p < 0.0001)	0.99 (p = 0.7715)	0.77 (p < 0.0001)	0.83 (p < 0.0001)
Fraser vs Vancouver Coastal	0.72 (p < 0.0001)	0.94 (p = 0.0056)	0.81 (p < 0.0001)	0.84 (p < 0.0001)
Island vs Vancouver Coastal	0.86 (p < 0.0001)	0.99 (p = 0.9320)	0.78 (p < 0.0001)	0.82 (p < 0.0001)
Northern vs Vancouver Coastal	0.64 (p < 0.0001)	1.10 (p = 0.0023)	0.67 (p < 0.0001)	0.68 (p < 0.0001)