Table 4.
Logistic regression model fitted on low birth weight.
| OR (95% CI) | |
|---|---|
| SES | |
| High (reference) | 1.00 |
| Middle | 1.79 (1.11, 2.89) |
| Low | 1.71 (0.94, 3.13) |
| Maternal age at birth of the child (years) | 1.01 (0.97, 1.06) |
| Parity | |
| 0 (reference) | 1.00 |
| >0 | 0.49 (0.32, 0.75) |
| Gender | |
| Male (reference) | 1.00 |
| Female | 1.60 (1.08, 2.35) |
| Ethnicity | |
| German (reference) | 1.00 |
| Slavic | 1.24 (0.55, 2.80) |
| Turkish | 1.40 (0.46, 4.30) |
| Others | 1.43 (0.72, 2.84) |
| Maternal height (cm) | 0.91 (0.88, 0.95) |
| Maternal BMI | |
| Not underweight (reference) | 1.00 |
| Underweight | 2.53 (1.04, 6.13) |
| Smoking during pregnancy | |
| No smoking (reference) | 1.00 |
| Moderate smoking | 1.55 (0.92, 2.63) |
| Regular smoking | 2.52 (1.33, 4.75) |
| Constant B (SE) | 11.582 (2.915) |
| N | 1727 |
| Nagelkerke’s R² | 0.106 |
Note: BMI = body mass index. Values are odds ratios (ORs) with 95% confidence intervals.