TABLE 8.
Neonatal morphometric measures at birth in relation to tertiles of percentage body fat at follow-up1
| Tertile 1 (n = 21) | Tertile 2 (n = 21) | Tertile 3 (n = 21) | P value2 | |
| Child body fat by DXA (%) | 19.7 ± 2.63 | 28.2 ± 2.6 | 39.3 ± 4.3 | 0.00014–6 |
| CDC weight percentile | 39.8 ± 27.5 | 66.0 ± 19.1 | 88.0 ± 11.4 | 0.00014–6 |
| Gestational age at delivery (wk) | 39.3 ± 1.1 | 39.4 ± 1.2 | 38.6 ± 1.5 | 0.105 |
| Male/female sex (n) | 11/10 | 8/13 | 7/14 | 0.43 |
| Birth weight (kg) | 3.279 ± 0.450 | 3.540 ± 0.617 | 3.402 ± 0.548 | 0.30 |
| Birth length (cm) | 50.6 ± 2.2 | 50.3 ± 2.1 | 50.3 ± 2.3 | 0.87 |
| Fat mass (kg) | 0.322 ± 0.161 | 0.444 ± 0.233 | 0.430 ± 0.201 | 0.11 |
| Fat-free mass (kg) | 2.957 ± 0.341 | 3.096 ± 0.445 | 2.973 ± 0.405 | 0.47 |
| Body fat (%) | 9.5 ± 4.0 | 12.0 ± 5.1 | 12.2 ± 4.2 | 0.094 |
1
CDC, Centers for Disease Control and Prevention; DXA, dual-energy X-ray absorptiometry.
2
ANOVA, Kruskal-Wallis test, and chi-square test.
3
Mean ± SD (all such values).
4
Significant difference between tertiles 1 and 3, P < 0.05 (Fisher's protected least-significant difference).
5
Significant difference between tertiles 2 and 3, P < 0.05 (Fisher's protected least-significant difference).
6
Significant difference between tertiles 1 and 2, P < 0.05 (Fisher's protected least-significant difference).