Summary Statistics for Baseline Characteristics and Pubertal Indicators
| Mean | SD | Min. | Max. | |
|---|---|---|---|---|
| Baseline | ||||
| Mother’s age | 26.80 | 5.87 | 17.00 | 47.00 |
| Mother’s height (cm) | 150.79 | 5.11 | 128.80 | 169.50 |
| Male | 0.53 | 0.50 | 0.00 | 1.00 |
| Birthweight (grams) | 2,997.31 | 446.44 | 1,150.00 | 5,700.00 |
| Low birthweight | 0.12 | 0.32 | 0.00 | 1.00 |
| Girl indicators | ||||
| Age at menarche | 13.05 | 0.98 | 10.25 | 15.33 |
| Menarche four years or more after 1991 interview date | 0.72 | 0.45 | 0.00 | 1.00 |
| Menarche 2+ yrs post 1994 survey | 0.35 | 0.48 | 0.00 | 1.00 |
| Menarche 1+ yrs before 1998 survey | 0.84 | 0.37 | 0.00 | 1.00 |
| Boy indicators | ||||
| Begun shaving | 0.21 | 0.40 | 0.00 | 1.00 |
| Voice has changed in recent years | 0.95 | 0.22 | 0.00 | 1.00 |
| Has visible underarm hair | 0.61 | 0.49 | 0.00 | 1.00 |
| Has high level of pubic hair | 0.42 | 0.49 | 0.00 | 1.00 |
Notes: This table summarizes baseline characteristics and pubertal indicators for our sample of index children.