Table 5.
Predictors of a Mental Health Problem Diagnosis for Siblings of DD Children Born 2000–2005, Odds Ratios (CI).
| Variable | Younger Sisters | Older Sisters | Younger Brothers | Older Brothers |
|---|---|---|---|---|
| Cohort (siblings of children with a DD vs siblings of children without a DD) | 2.26 (1.88–2.72) | 1.80 (1.57–2.07) | 2.43 (2.10–2.81) | 1.84 (1.61–2.09) |
| Age at birth of or nearness of age to the child with the DD | 1.08 (1.06–1.11) | 1.05 (1.03–1.06) | 1.11 (1.09–1.13) | N.S. |
| Number of children in the family | N.S. | 0.80 (0.75–0.86) | N.S. | 0.84 (0.79–0.90) |
| Income quintile | ||||
| Lowest vs highest | 1.11 (1.05–1.17) | N.S. | 1.24 (1.12–1.38) | N.S. |
| 2nd vs highest | 1.09 (0.95–1.26) | N.S. | 1.16 (1.05–1.29) | N.S. |
| 3rd vs highest | 1.26 (1.10–1.44) | N.S. | 1.11 (0.99–1.23) | N.S. |
| 4th vs highest | 1.11 (0.97–1.18) | N.S. | 1.09 (0.99–1.21) | N.S. |
| Receipt of an MSP subsidy | 1.14 (1.12–1.37) | N.S. | 1.20 (1.11–1.30) | 1.16 (1.09–1.22) |
| Health authority | ||||
| Interior vs Vancouver Coastal | 1.01 (0.88–1.16) | 1.25 (1.15–1.36) | 1.01 (0.91–1.13) | 1.22 (1.13–1.32) |
| Fraser vs Vancouver Coastal | 0.97 (0.86–1.08) | 1.07 (0.99–1.14) | 1.01 (0.92–1.10) | 1.06 (0.99–1.13) |
| Island vs Vancouver Coastal | 0.99 (0.86–1.14) | 1.39 (1.28–1.52) | 1.04 (0.94–1.16) | 1.25 (1.16–1.35) |
| Northern vs Vancouver Coastal | 0.46 (0.37–0.58) | 0.84 (0.75–0.95) | 0.60 (0.51–0.70) | 0.84 (0.75–0.93) |