Table 2.
Means and standard deviations of anthropometric variables and body composition measures provided by air-displacement plethysmography (BodPod) at 6 years of age. The 2004 Pelotas Birth Cohort. (N=3350)
| Girls |
Boys |
||||
|---|---|---|---|---|---|
| Variable (unit) | N | Mean ± SD | N | Mean ± SD | P |
| Weight (kg) | 1619 | 24.8 ± 6.1 | 1731 | 25.1 ± 5.8 | 0.1206a |
| Height (m) | 1602 | 1.20 ± 0.06 | 1709 | 1.22 ± 0.06 | <0.0001a |
| FMc (kg) | 1619 | 6.6 ± 3.8 | 1731 | 5.9 ± 3.6 | 0.0001a |
| FMIc (kg/m2) | 1602 | 4.5 ± 2.3 | 1709 | 3.9 ± 2.1 | 0.0001a |
| % FMc (%) | 1619 | 25.1 ± 7.9 | 1731 | 22.2 ± 7.9 | <0.0001b |
| FFMc (kg) | 1619 | 18.2 ± 2.8 | 1731 | 19.2 ± 2.9 | 0.0001a |
| FFMIc (kg/m2) | 1602 | 12.5 ± 1.1 | 1709 | 12.9 ± 1.2 | < 0.0001b |
| % FFMc (%) | 1619 | 74.9 ± 7.9 | 1731 | 77.8 ± 7.9 | < 0.0001b |
FMI, fat mass index; % FM, percentage of fat mass; FFM, fat-free mass; FFMI, fat-free mass index; % FFM, percentage of fat-free mass.
aTest of homogeneity (non-parametric).
bTest of homogeneity (parametric).
cFat mass.