Table 1.
Population characteristics of 218 girls participating in the Growth and Obesity Cohort Study.
| Characteristic | Distribution |
|---|---|
| Percent FGV (%), mean (SD) | 49.5 (14.5) |
| Tercile 1, median (range) | 34.0 (19.1, 41.4) |
| Tercile 2, median (range) | 48.8 (41.5, 56.3) |
| Tercile 3, median (range) | 65.3 (56.6, 98.0) |
| Absolute FGV (cm3), mean (SD) | 217.0 (78.1) |
| Tercile 1, median (range) | 140.2 (74.2, 178.0) |
| Tercile 2, median (range) | 210.8 (178.1, 249.2) |
| Tercile 3, median (range) | 292.7 (250.1, 546.4) |
| Total breast volume (cm3), mean (SD) | 472.0 (236.4) |
| Age (years), mean (SD) | 14.0 (0.9) |
| Age at menarche (years), mean (SD) | 12.0 (0.8) |
| BMI Z-score, mean (SD) | 1.0 (1.0) |
| Body fat percentage (%), mean (SD) | 32.6 (5.8) |
| Energy intake per day (kCal), mean (SD) | 1709.4 (376.5 |
| Ethnicity, n (%) | |
| Non-Mapuche | 181 (83.0) |
| Mapuche | 37 (17.0) |
| Birth mode, n (%) | |
| Cesarean | 54 (24.8) |
| Vaginal | 164 (75.2) |
| Antibiotic use in prior 6 months, n (%) | |
| No | 198 (90.8) |
| Yes | 20 (9.2) |
| Maternal education, n (%) | |
| Secondary education or less | 171 (78.4) |
| Post-secondary education | 47 (21.6) |
| Hours of TV per day, n (%) | |
| ≤1 hour | 77 (35.3) |
| 1-3 hours | 109 (50.0) |
| >3 hours | 32 (14.7) |
| Months of exclusive breast feeding, n(%) | |
| <3 months | 64 (29.4) |
| 3-6 months | 129 (59.2) |
| >6 months | 25 (11.5) |