Table 2.
Variable | Younger Sisters | Older Sisters | Younger Brothers | Older Brothers |
---|---|---|---|---|
Cohort (siblings of children with a DD vs siblings of children without a DD) | 1.96 (1.77–2.17) | 1.56 (1.43–1.69) | 1.96 (1.75–2.19) | 1.48 (1.36–1.61) |
Age at birth of or nearness of age to the child with the DD | 1.18 (1.17–1.19) | 1.11 (1.10–1.11) | 1.14 (1.13–1.15) | 1.06 (1.05–1.06) |
Number of children in the family | N.S. | 0.81 (0.78–0.84) | N.S. | 0.84 (0.81–0.88) |
Income quintile | ||||
Lowest vs highest | N.S. | 1.09 (1.04–1.14) | N.S. | N.S. |
2nd vs highest | N.S. | 1.07 (1.02–1.12) | N.S. | N.S. |
3rd vs highest | N.S. | 1.06 (1.01–1.11) | N.S. | N.S. |
4th vs highest | N.S. | 1.08 (1.03–1.13) | N.S. | N.S. |
Receipt of an MSP subsidy | 1.09 (1.04–1.13) | N.S. | 1.15 (1.10–1.20) | 1.17 (1.14–1.21) |
Health authority | ||||
Interior vs Vancouver Coastal | 1.43 (1.34–1.52) | 1.52 (1.45–1.59) | 1.18 (1.10–1.26) | 1.15 (1.10–1.21) |
Fraser vs Vancouver Coastal | 1.22 (1.15–1.28) | 1.30 (1.25–1.35) | 1.05 1.00–1.11) | 1.13 (1.08–1.17) |
Island vs Vancouver Coastal | 1.56 (1.47–1.67) | 1.66 (1.58–1.74) | 1.15 (1.08–1.23) | 1.21 (1.15–1.27) |
Northern vs Vancouver Coastal | 1.20 (1.12–1.30) | 1.33 (1.26–1.40) | 0.98 (0.90–1.06) | 0.96 (0.90–1.01) |