Characteristics of population included in the present study, Pelotas, Brazil
| Variable | 1982 Cohort (n=3626) | 1993 Cohort (n=3596) | ||
| N (%)* | Mean (SD)† | N (%) * | Mean (SD)† | |
| Sex | ||||
| Male | 1766 (48.7) | 1706 (47.4) | ||
| Female | 1860 (51.3) | 1890 (52.6) | ||
| Gestational age (weeks) | ||||
| <37 | 164 (5.6) | 283 (8.0) | ||
| 37–39 | 1336 (45.8) | 2741 (77.2) | ||
| ≥40 | 1420 (48.6) | 527 (14.8) | ||
| Birth weight (g) | ||||
| <2500 | 280 (7.7) | 338 (9.4) | ||
| 2500–2999 | 956 (26.4) | 942 (26.2) | ||
| ≥3000 | 2389 (65.9) | 2314 (64.4) | ||
| Skin colour | ||||
| White | 2750 (75.8) | 2163 (63.5) | ||
| Non-white | 876 (24.2) | 1245 (36.5) | ||
| Maternal smoking during pregnancy | ||||
| Non-smokers | 2353 (65.0) | 2430 (67.6) | ||
| Smoked in part of pregnancy | 276 (7.6) | 160 (4.4) | ||
| Smoked in whole pregnancy | 990 (27.4) | 1006 (28.0) | ||
| Partner smoking‡ | ||||
| No | 1166 (41.2) | 2433 (67.6) | ||
| Yes | 1665 (58.8) | 1163 (32.4) | ||
| Familiar income at birth (minimum wage) | ||||
| ≤1 | 715 (19.8) | 628 (17.8) | ||
| 1.1–3.0 | 1780 (49.3) | 1472 (41.7) | ||
| 3.1–6.0 | 706 (19.6) | 877 (24.9) | ||
| >6.0 | 408 (11.3) | 550 (15.6) | ||
| Maternal schooling (years) | ||||
| 0–4 | 2719 (75.1) | 950 (26.5) | ||
| 5–8 | 399 (11.0) | 1695 (47.2) | ||
| ≥9 | 503 (13.9) | 946 (26.3) | ||
| Body mass index in adulthood (kg/m2) | 26.8 (5.5) | 25.2 (5.3) | ||
| <18.5 | 71 (2.0) | 168 (4.7) | ||
| 18.5–24.9 | 1426 (40.4) | 1855 (52.1) | ||
| 25.0–29.9 | 1224 (34.7) | 959 (27.0) | ||
| ≥30.0 | 810 (22.9) | 577 (16.2) | ||
| Fat mass index (kg/m2) | 8.7 (4.3) | 7.9 (4.5) | ||
| Android to gynoid fat ratio | 0.50 (0.14) | 0.42 (0.12) | ||
| Waist circumference (cm) | 84.8 (12.6) | 80.0 (11.6) | ||
| Waist to height ratio | 0.51 (0.07) | 0.48 (0.07) | ||
| Lean mass index (kg/m2) | 16.7 (2.7) | 16.1 (2.6) | ||
| Height (cm) | 167.7 (9.2) | 167.4 (9.5) | ||
*For the categorical variables.
†For the continuous variables.
‡At 4 years for the 1982 cohort and in pregnancy for the 1993 cohort.
IQI, inter quartiles interval.