Table 2.
Participant characteristics by gender.
| Girls (n=153) | Boys (n=147) | Pdifference | |
|---|---|---|---|
| Age, y | 14.7 (1.8) | 14.3 (1.8) | 0.05 |
| Monthly family income, USD | 593 (398) | 523 (258) | 0.07 |
| Z–score height–for–age, SD | −1.55 (0.87) | −1.50 (0.98) | 0.67 |
| Z–score BMI–for–age, SD | 0.58 (0.81) | 0.30 (0.84) | <0.01 |
| Hemoglobin (Apr), g/dL | 12.9 (1.4) | 13.2 (1.2) | 0.10 |
| Hemoglobin (Jul–Oct), mg/dL | 12.6 (0.9) | 13.2 (1.3) | <0.01 |
| AChE difference (Apr vs Jul–Oct), % | −4.01 (17.23) | −0.81 (12.99) | 0.07 |
| AChE (Apr), U/mL | 3.72 (0.53) | 3.88 (0.50) | 0.01 |
| AChE (Jul–Oct), U/mL | 3.53 (0.50) | 3.82 (0.54) | <0.01 |
| Anxiety, score | 59.3 (8.9) | 56.8 (10.1) | 0.03 |
| Depression, score | 53.3 (8.6) | 52.2 (10.1) | 0.31 |
| Awakening time, hour | 6.9 (0.8) | 6.8 (0.9) | 0.37 |
| Saliva collection time, hour | 7.3 (1.2) | 7.2 (1.0) | 0.45 |
| Testosterone, pg/mL | 30.5 (20.7, 41.2) | 56.0 (27.34, 91.8) | <0.01 |
| DHEA, pg/mL | 78.9 (43.4, 139.7) | 39.8 (17.6, 75.0) | <0.01 |
| Cortisol, μg/dL | 0.19 (0.13, 0.28) | 0.22 (0.13, 0.31) | 0.39 |
| Estradiol, pg/mL | 0.42 (0.29, 0.55) | − |
Values are mean (SD) or median (25th−75th percentile)