Table 3.
Crude Relative Risks§ (95% Confidence Interval) of Adverse Birth Outcomes and Infant Mortality Comparing the Lowest Socioeconomic Status Quintile Versus All Other Neighborhoods, for First Nations and Non-First Nations in Manitoba, 1991–2000
| Outcome | RR (95% CI) for the lowest socioeconomic status quintile versus all other neighborhoods in:
|
|||
|---|---|---|---|---|
| Income | Education | Unemployment | Lone parents | |
|
| ||||
| Births | ||||
| Preterm | ||||
| First Nations | 1.01 (0.92, 1.11) | 1.13 (1.05, 1.22)* | 0.96 (0.89, 1.04) | 1.06 (0.98, 1.15) |
| Non-First Nations | 1.27 (1.21, 1.33)* | 1.21 (1.15, 1.27)* | 1.27 (1.21, 1.33)* | 1.15 (1.10, 1.21)* |
| Small-for-gestational-age | ||||
| First Nations | 1.02 (0.93, 1.13) | 1.07 (0.99, 1.17) | 1.17 (1.08, 1.27)* | 1.07 (0.99, 1.16) |
| Non-First Nations | 1.36 (1.31, 1.41)* | 1.30 (1.25, 1.35)* | 1.33 (1.27, 1.38)* | 1.20 (1.16, 1.25)* |
| Large-for-gestational-age | ||||
| First Nations | ||||
| Non-First Nations | 0.98 (0.93, 1.05) | 0.97 (0.92, 1.02) | 0.93 (0.89, 0.98)* | 0.92(0.87, 0.97)* |
| Deaths | 0.91 (0.88, 0.95)* | 0.92 (0.88, 0.96)* | 0.93 (0.89, 0.97)* | 0.94 (0.90, 0.97)* |
| Neonatal | ||||
| First Nations | 1.13 (0.71, 1.79) | 0.95 (0.66, 1.38) | 1.19 (0.82, 1.73) | 1.11 (0.76, 1.61) |
| Non-First Nations | 1.31 (1.05, 1.63)* | 1.35 (1.09, 1.69)* | 1.34 (1.07, 1.68)* | 1.21 (0.97, 1.50) |
| Postneonatal | ||||
| First Nations | 2.57 (1.57, 4.19)* | 1.35 (0.99, 1.82) | 1.59 (1.16, 2.17)* | 1.09 (0.80, 1.46) |
| Non-First Nations | 1.93 (1.46, 2.55)* | 1.85 (1.39, 2.46)* | 1.76 (1.31, 2.36)* | 1.84 (1.40, 2.43)* |
| Infant | ||||
| First Nations | 1.76 (1.26, 2.45)* | 1.18 (0.93, 1.48) | 1.41 (1.11, 1.80)* | 1.09 (0.87, 1.38) |
| Non-First Nations | 1.51 (1.27, 1.79)* | 1.52 (1.27, 1.80)* | 1.48 (1.24, 1.77)* | 1.41 (1.19, 1.67)* |
§
Crude RRs are presented because, for comparisons within First Nations and non-First Nations (separately), they were unaffected by adjusting for observed individual-level variables.
*
P<0.05;