Descriptive statistics on infancy, childhood and adolescent variables
| Social, demographic and maternal variables | N (%) | 95% CI |
| Sex | ||
| Boys | 487 (47.7) | 47.5 to 50.4 |
| Girls | 535 (52.3) | 49.3 to 55.4 |
| Skin colour | ||
| White | 631 (61.8) | 58.8 to 64.8 |
| Black | 195 (19.1) | 16.7 to 21.5 |
| Mixed | 161 (15.8) | 13.5 to 18.0 |
| Others | 34 (3.3) | 2.2 to 4.4 |
| Puberty status (Tanner stages) | ||
| 2–4 | 43 (5.2) | 3.7 to 6.7 |
| 5–7 | 392 (47.0) | 43.7 to 50.5 |
| 8–10 | 398 (47.8) | 44.4 to 51.2 |
| Family income at birth (quintiles) | ||
| 1 (poorest) | 206 (20.3) | 17.8 to 22.8 |
| 2 | 245 (24.2) | 21.5 to 26.8 |
| 3 | 189 (18.6) | 16.2 to 21.0 |
| 4 | 195 (19.2) | 16.8 to 21.7 |
| 5 (richest) | 179 (17.7) | 15.3 to 20.0 |
| Pre-gestational BMI (kg/m2) | ||
| <18.5 | 97 (9.8) | 7.9 to 11.7 |
| 18.5–24.9 | 683 (69.0) | 66.1 to 71.9 |
| 25.0–29.9 | 158 (16.0) | 13.7 to 18.3 |
| ≥30 | 52 (5.2) | 3.9 to 6.6 |
| Smoking during pregnancy | ||
| No | 655 (64.1) | 61.1 to 67.0 |
| Yes | 367 (35.9) | 33.0 to 38.9 |
| Infancy and childhood anthropometry | N | Mean | SD |
| Birth weight (g) | 1022 | 2968 | 630 |
| Weight gain (z-score) 0–6 months | 1395 | 0.34 | 1.21 |
| Weight gain (z-score) 6–12 months | 1349 | 0.35 | 0.62 |
| Weight gain (z-score) 12–48 months | 1238 | −0.12 | 0.95 |
| Length/height gain (z-score) 0–6 months | 1370 | 0.15 | 1.24 |
| Length/height gain (z-score) 6–12 months | 1348 | 0.07 | 0.84 |
| Length/height gain (z-score) 12–48 months | 1239 | 0.07 | 0.87 |
| Adolescent measurements | N | Mean | SD |
| BMI (kg/m2) | 1022 | 21.3 | 3.9 |
| Systolic blood pressure (mm Hg) | 1022 | 119.2 | 9.8 |
| Sum of triceps and subscapular skin folds (mm) | 1022 | 25.1 | 13.3 |
| Subscapular/triceps ratio(102) | 1022 | 87.0 | 26.5 |
| Height (cm) | 1022 | 161.9 | 8.6 |
1993 Pelotas Birth Cohort, Brazil, 2008.
BMI, body mass index.