Appendix A.
Logistic Regression of the Maternal Migrant Status on Adverse Infant Birth Outcome and Infant Birth Outcome by 4 Categories (Fetal Diseases, Congenital Malformation, Neonatal Disease, Other Infant Health Condition).
| Independent variable | Fetal diseases | Congenital malformation | Neonatal disease | Other infant health condition |
|---|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Migrant status | 0.952 (0.886-1.023) | 0.971 (0.832-1.132) | 1.150*** (1.110-1.192) | 0.576*** (0.486-0.683) |
| Age | 1.016*** (1.007-1.025) | 1.014 (0.996-1.033) | 0.994** (0.990-0.999) | 1.019** (1.001-1.036) |
| Ethnicity | 0.610*** (0.421-0.884) | 0.781 (0.379-1.611) | 0.981 (0.843-1.141) | 1.171 (0.612-2.240) |
| Nationality | 2.772*** (1.599-4.804) | 1.710 (0.489-5.975) | 1.127 (0.813-1.561) | 1.540 (0.445-5.330) |
| Occupation | 1.224** (1.044-1.435) | 1.917*** (1.291-2.848) | 0.998 (0.932-1.069) | 1.057 (0.761-1.468) |
| Gravida | 0.937*** (0.898-0.978) | 1.033 (0.953-1.120) | 1.034*** (1.015-1.054) | 1.171*** (1.085-1.264) |
| Birth parity | 0.563*** (0.503-0.630) | 0.815** (0.667-0.998) | 0.649*** (0.619-0.681) | 0.634*** (0.513-0.784) |
| Gestation week | 1.024*** (1.010-1.038) | 1.000 (0.980-1.021) | 0.624*** (0.617-0.631) | 0.945** (0.906-0.987) |
| High-risk pregnancy | 0.780*** (0.728-0.837) | 1.188** (1.022-1.382) | 1.863*** (1.797-1.931) | 0.428*** (0.364-0.503) |
| Rescue times | 0.539 (0.216-1.345) | 0.660 (0.140-3.123) | 1.308* (0.992-1.725) | 1.265 (0.433-3.699) |
| Maternal near-miss | 0.405 (0.052-3.146) | 1.216 (0.132-11.225) | 1.422 (0.898-2.253) | 9.624*** (3.183-29.097) |
| Cesarean delivery | 0.924** (0.859-0.994) | 1.258*** (1.082-1.462) | 0.893*** (0.861-0.926) | 0.763*** (0.650-0.896) |
| _cons | 51.736*** (27.889-95.976) | 381.142*** (132.285-1,098.154) | 0.000*** (0.000-0.000) | 11.744*** (1.941-71.053) |
| N | 104 681 | 104 681 | 104 681 | 104 681 |
Note. 95% CI in parentheses. OR = odds ratio; CI = confidence interval.
*
P < .05. **P < .01. ***P < .001.