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Effect of the number of years of education on gestational age and birth weight (ANOVA, statistically significant p-values are printed in bold)
| 0 – 8 years | 9 – 12 years | >12 years | p-value | |
| (N = 380) | (N = 487) | (N = 133) | ||
| Gestational age (weeks) | 39.1 (1.9) | 39.0 (1.8) | 39.2 (1.3) | p = 0.505 |
| Birth weight (g) | 3078.2 (552.0) | 3139.3 (520.1) | 3257.1 (550.8) | p = 0.004 |
