Characteristics of cases and controls
| Index cohort n=128 | Comparison group n=128 | |
|---|---|---|
| *Difference between means 4.0 cm (95% CI 2.1 to 5.9; p<0.001). | ||
| **Difference between means 4.4 kg (95% CI 1.8 to 7.0; p=0.001). | ||
| Sex (M/F) | 72/56 | 72/56 |
| Mean (SD) birth weight | 1249 (185.2) g | 3338 (507.6) g |
| Range | 630–1500 | 2098–4550 |
| Mean (SD) gestational age | 30.7 (2.7) wk | Not known |
| Range | 26–36 | |
| Mean (SD) height | 159.7 (7.9) cm | 163.7 (7.8) cm* |
| Range | 140–185 | 147–183 |
| Mean (SD) weight | 50.8 (10.7) kg | 55.3 (10.3) kg** |
| Range | 33–88 | 35.5–87 |
| Adolescents smoking | 19.5% | 10.9% |
| Maternal smoking during pregnancy | 45.3% | 40.6% |
| Current maternal smoking | 51.6% | 33.6% |