Table 1 Values of the variables analyzed by sex
From: Influence of weight status on bone mineral content measured by DXA in children
Variable | Boys 294 (53.2%) mean ± SD; n (%) | Girls 459 (46.8%) mean ± SD; n (%) | P value |
|---|---|---|---|
Age (years) | 11.68 ± 2.75 | 11.20 ± 2.74 | 0.044 |
Height (cm) | 153.3 ± 15.9 | 148.8 ± 13.9 | < 0.001 |
Weight (kg) | 64.1 ± 19.0 | 59.5 ± 17.8 | 0.003 |
Waist (cm) | 85.0 ± 11.4 | 79.8 ± 9.9 | < 0.001 |
Hip (cm) | 94.1 ± 12.0 | 92.6 ± 15.4 | 0.222 |
BMI z-score | 2.96 ± 1.66 | 2.93 ± 1.79 | 0.819 |
Underweight | 6 (2.0) | 5 (1.9) | 0.262 |
Normal weight | 16 (5.4) | 26 (10.0) | |
Overweight | 46 (15.6) | 31 (12.0) | |
Obese | 97 (33.0) | 87 (33.6) | |
Very obese | 129 (43.9) | 110 (42.5) | |
BMC (g) | 2008.2 ± 637.9 | 1927.1 ± 642.7 | 0.141 |
BMD (g/cm2) | 1.03 ± 0.12 | 1.02 ± 0.13 | 0.294 |
Bone mineral (%) | 3.15 ± 0.49 | 3.22 ± 0.52 | 0.073 |