Table 1.
Participant characteristics
| Normal-weight (n > 12) | Obese (n = 12) | Pa | |
|---|---|---|---|
| Age (years) | 19.1 ± 0.4 | 19.0 ± 0.5 | 0.945 |
| Age at menarche (years) | 12.9 ± 1.2 | 11.5 ± 1.8 | 0.034 |
| Height (cm) | 165.7 ± 8.7 | 166.5 ± 8.2 | 0.821 |
| Weight (kg)b | 60.2 ± 6.0 | 88.9 ± 11.0 | <0.001 |
| BMI (kg/m2) | 22.0 ± 2.2 | 32.0 ± 2.5 | <0.001 |
| BMI-for-age percentile (%)b | 50.6 ± 17.5 | 94.9 ± 1.6 | <0.001 |
| Waist circumference (cm) | 75.2 ± 4.4 | 101.8 ± 6.0 | <0.001 |
| Fat mass (kg)b | 15.8 ± 1.8 | 34.0 ± 6.6 | <0.001 |
| FFST (kg) | 43.1 ± 5.2 | 53.9 ± 5.3 | <0.001 |
| Percent body fat (%) | 25.9 ± 2.9 | 37.5 ± 3.5 | <0.001 |
| BPAQ score | 38.8 ± 32.8 | 21.65 ± 18.2 | 0.128 |
| Insulin (uU/mL)b | 10.8 ± 4.6 | 24.7 ± 11.0 | 0.001 |
| Glucose (mg/dL) | 94.5 ± 6.5 | 98.4 ± 5.2 | 0.120 |
| HOMA-IR | 1.4 ± 0.6 | 3.2 ± 1.4 | 0.001 |
| IGF-I (ng/mL) | 172.1 ± 30.3 | 166.1 ± 39.0 | 0.681 |
Values are presented as mean ± SD
BMI, body mass index; FFST, fat-free soft tissue mass; BPAQ, bone-specific Physical activity recall questionnaire; HOMA-IR, homeostasis model assessment of insulin resistance; IGF-I, insulin-like growth factor I
a
Test of between-group significance based on independent samples t test
b
Test of between-group significance based on Mann–Whitney U test