Adjusted risk of neonatal death among small-for-gestational-age (SGA) and non-SGA infants according to whether weight classification was defined by the Canadian birth-weight curve or by world region–specific birth-weight curves
| Group | Group; adjusted OR* (95% CI) | ||||
|---|---|---|---|---|---|
| All infants | SGA infants | Non-SGA infants | |||
| Canadian curve | World region– specific curves | Canadian curve | World region– specific curves | ||
| Nonimmigrants (referent) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| All immigrants | 1.09 (0.98–1.21) | 0.83 (0.72–0.95) | 1.24 (1.08–1.42) | 0.97 (0.82–1.16) | 1.01 (0.86–1.20) |
| Immigrants by world region of origin | |||||
| Europe, Western nations | 1.04 (0.82–1.30) | 1.24 (0.94–1.64) | 1.27 (0.96–1.68) | 0.82 (0.55–1.21) | 0.82 (0.55–1.21) |
| Africa, Caribbean | 1.62 (1.32–1.97) | 1.48 (1.18–1.85) | 2.25 (1.79–2.83) | 0.79 (0.51–1.23) | 0.84 (0.55–1.27) |
| North Africa, Middle East | 1.01 (0.76–1.33) | 0.84 (0.58–1.21) | 1.08 (0.74–1.57) | 1.02 (0.66–1.59) | 1.03 (0.67–1.59) |
| Latin America | 1.04 (0.76–1.43) | 0.91 (0.63–1.32) | 1.30 (0.89–1.89) | 0.78 (0.44–1.39) | 0.74 (0.42–1.31) |
| East and Southeast Asia, Pacific | 0.83 (0.68–1.03) | 0.65 (0.50–0.84) | 1.02 (0.79–1.33) | 0.76 (0.53–1.08) | 0.73 (0.51–1.04) |
| South Asia | 1.13 (0.96–1.32) | 0.57 (0.46–0.71) | 0.95 (0.75–1.21) | 1.34 (1.05–1.72) | 1.46 (1.16–1.83) |
Note: CI = confidence interval, OR = odds ratio.
↵* Adjusted for maternal age, parity, income quintile and year of delivery.