Table 3.
Variable | Younger Sisters | Older Sisters | Younger Brothers | Older Brothers |
---|---|---|---|---|
Cohort (siblings of children with a DD vs siblings of children without a DD) | 2.24 (1.64–3.06) | 1.63 (1.41–1.88) | 1.92 (1.75–2.19) | 1.50 (1.28–1.76 |
Age at birth of or nearness of age to the child with the DD | 1.11 (1.10–1.15) | 1.10 (1.09–1.12) | 1.11 (1.07–1.14) | 1.09 (1.07–1.11) |
Number of children in the family | N.S. | 0.79 (0.74–0.86) | N.S. | 0.79 (0.73–0.86) |
Income quintile | ||||
Lowest vs highest | N.S. | N.S. | N.S. | N.S. |
2nd vs highest | N.S. | N.S. | N.S. | N.S. |
3rd vs highest | N.S. | N.S. | N.S. | N.S. |
4th vs highest | N.S. | N.S. | N.S. | N.S. |
Receipt of an MSP subsidy | N.S. | N.S. | N.S. | N.S. |
Health authority | ||||
Interior vs Vancouver Coastal | 0.65 (0.50–0.83) | 1.44 (1.32–1.57) | N.S. | 1.24 (1.13–1.37) |
Fraser vs Vancouver Coastal | 0.84 (0.69–1.00) | 1.03 (0.96–1.11) | N.S. | 1.04 (0.97–1.13) |
Island vs Vancouver Coastal | 0.93 (0.74–1.18) | 1.55 (1.42–1.69) | N.S. | 1.28 (1.16–1.41) |
Northern vs Vancouver Coastal | 0.70 (0.52–0.95) | 1.26 (1.13–1.41) | N.S. | 0.99 (0.88–1.12) |