Table 1 Population profile of the 1982 Pelotas cohort during monitoring at 23 years of age
Characteristics | Total N (%) | Gender | |
|---|---|---|---|
Men N (%) | Women N (%) | ||
Gender | 4296 (100) | 2213 (51.5) | 2083 (48.5) |
Skin colour (N=4296) | |||
White | 3238 (75.4) | 1658 (74.9) | 1580 (75.8) |
Black or mixed | 908 (21.1) | 471 (21.3) | 437 (21.0) |
Asian or indigenous | 150 (3.5) | 84 (3.8) | 66 (3.2) |
Mother’s education at birth (years) (N=5907) | |||
0–4 | 1960 (33.2) | 1008 (33.2) | 952 (33.1) |
5–8 | 2454 (41.5) | 1288 (42.5) | 1166 (40.6) |
9–11 | 654 (11.1) | 330 (10.9) | 324 (11.3) |
⩾12 | 839 (14.2) | 406 (13.4) | 432 (15.0) |
Family income at birth (minimum wages) (N=5885) | |||
1 | 1288 (21.9) | 666 (22.0) | 622 (21.7) |
1.1–3.0 | 2789 (47.4) | 1463 (48.4) | 1325 (46.4) |
3.1–6.0 | 1091 (18.5) | 544 (18.0) | 547 (19.1) |
>6.0–10 | 382 (6.5) | 184 (6.1) | 198 (6.9) |
>10 | 335 (5.7) | 167 (5.5) | 168 (5.9) |
Mother’s smoking history during pregnancy (N=5902) | |||
Yes | 2101 (35.6) | 1091 (36.0) | 1012 (35.2) |
No | 3801 (64.4) | 1939 (64.0) | 1861 (64.8) |
Mother’s pre-gestational body mass index (kg/m2) (N=4976) | |||
<18.5 | 388 (7.8) | 211 (8.2) | 177 (7.3) |
18.5–24.9 | 3492 (70.2) | 1805 (70.3) | 1686 (70.0) |
25.0–29.9 | 881 (17.7) | 446 (17.4) | 435 (18.1) |
⩾30 | 215 (4.3) | 104 (4.1) | 111 (4.6) |
Mother’s height (metres) (N=5808) | |||
<1.52 | 1512 (26.0) | 782 (26.3) | 730 (25.8) |
1.52–1.55 | 1475 (25.4) | 737 (24.7) | 737 (26.1) |
1.56–1.60 | 1409 (24.3) | 712 (23.9) | 697 (24.6) |
>1.60 | 1412 (24.3) | 747 (25.1) | 665 (23.5) |
Breastfeeding duration (months) (N=5332) | |||
<1 | 1171 (22.0) | 636 (23.3) | 535 (20.6) |
1–2.9 | 1405 (26.4) | 709 (25.9) | 696 (26.8) |
3–5.9 | 1212 (22.7) | 611 (22.3) | 601 (23.1) |
6–8,9 | 497 (9.3) | 261 (9.5) | 236 (9.1) |
9–11.9 | 209 (3.9) | 114 (4.2) | 95 (3.7) |
⩾12 | 838 (15.7) | 404 (14.8) | 434 (16.7) |
Weight gain during pregnancy (kg) (N=4408) | |||
<9.6 | 1464 (33.2) | 753 (33.0) | 710 (33.4) |
9.6–13.7 | 1446 (32.8) | 737 (32.3) | 709 (33.3) |
⩾13.8 | 1498 (34.0) | 791 (34.7) | 707 (33.3) |
BMI at age 23 (kg/m2) (N=4288) | |||
<18.5 | 257 (6.0) | 107 (4.9) | 150 (7.2) |
18.5–24.9 | 2794 (65.2) | 1424 (64.5) | 1370 (65.8) |
25.0–29.9 | 881 (20.5) | 509 (23.1) | 372 (17.9) |
⩾30 | 356 (8.3) | 166 (7.5) | 190 (9.1) |
