Table 3.
Overweight, obesity, and sum of skinfolds ≥90th percentile at age 2 years according to birth parameters
| Overweight (BMI Z scores ≥85th percentile) | Obesity (BMI Z scores ≥95th percentile) | Sum of skinfolds ≥90th percentile | |
|---|---|---|---|
| Birth weight category | |||
| SGA (<10th percentile) | 31/117 (26.5) | 14/117 (12.0) | 9/108 (8.3) |
| Normal | 325/935 (34.8) | 149/935 (15.9) | 82/859 (9.5) |
| LGA (≥90th percentile) | 46/89 (51.7) | 27/89 (30.3) | 13/79 (16.5) |
| Ptrend | <0.001 | <0.001 | 0.09 |
| Sum of skin folds at birth | |||
| <25th percentile | 88/275 (32.0) | 39/275 (14.2) | 20/256 (7.8) |
| 25–74th percentile | 173/547 (31.6) | 77/547 (14.1) | 41/502 (8.2) |
| ≥75th percentile | 116/261 (44.4) | 59/261 (22.6) | 33/234 (14.1) |
| Ptrend | 0.003 | 0.009 | 0.02 |
| Cord C-peptide | |||
| <25th percentile | 97/285 (34.0) | 47/285 (16.5) | 27/254 (10.6) |
| 25–74th percentile | 151/435 (34.7) | 73/435 (16.8) | 30/392 (7.7) |
| ≥75th percentile | 89/247 (36.0) | 38/247 (15.4) | 23/235 (9.8) |
| Ptrend | 0.63 | 0.74 | 0.72 |
Data are n/total n (%). LGA, large for gestational age; SGA, small for gestational age.