Table 2.
Evaluation of delivery method and weight status measures (BMI z-score and POW) at 1, 3, and 6 years of age.
| Vaginal delivery | Caesarean delivery | p | |||
|---|---|---|---|---|---|
| n | (%) | n | (%) | ||
| Follow-up at 1 year old (n = 1176) | |||||
| BMI z-scores | |||||
| < 25%tile | 211 | (25.1) | 83 | (24.9) | .931 |
| 25–75%tile | 423 | (50.2) | 165 | (49.4) | |
| > 75%tile | 208 | (24.7) | 86 | (25.8) | |
| Mean (SD): | 0.10 | (0.92) | 0.15 | (0.87) | |
| POW (%) | |||||
| < 25%tile | 209 | (24.8) | 85 | (25.5) | .798 |
| 25–75%tile | 426 | (50.6) | 162 | (48.5) | |
| > 75%tile | 207 | (24.6) | 87 | (26.1) | |
| Mean (SD): | 0.11 | (7.67) | 0.04 | (7.48) | |
| Follow-up at 3 years old (n = 895) | |||||
| BMI z-scores | |||||
| < 25%tile | 151 | (24.2) | 72 | (26.5) | .711 |
| 25–75%tile | 313 | (50.2) | 136 | (50.0) | |
| > 75%tile | 159 | (25.5) | 64 | (23.5) | |
| Mean (SD): | 0.18 | (0.93) | 0.17 | (0.97) | |
| POW (%) | |||||
| < 25%tile | 158 | (25.4) | 68 | (25.0) | .941 |
| 25–75%tile | 311 | (49.9) | 138 | (50.7) | |
| > 75%tile | 154 | (24.7) | 66 | (24.3) | |
| Mean (SD): | 1.18 | (7.55) | 1.07 | (7.65) | |
| Follow-up at 6 years old (n = 647) | |||||
| BMI z-scores | |||||
| < 25%tile | 119 | (26.0) | 42 | (22.2) | .421 |
| 25–75%tile | 222 | (48.5) | 102 | (54.0) | |
| > 75%tile | 117 | (25.6) | 45 | (23.8) | |
| Mean (SD): | -0.35 | (0.97) | -0.37 | (0.87) | |
| POW (%) | |||||
| < 25%tile | 113 | (24.7) | 49 | (25.9) | .797 |
| 25–75%tile | 227 | (49.6) | 96 | (50.8) | |
| > 75%tile | 118 | (25.8) | 44 | (23.3) | |
| Mean (SD): | -2.27 | (8.60) | -2.30 | (8.53) | |