Table 1 Participants’ characteristics
Variables studied | Study participants | |
|---|---|---|
n | % | |
Sociodemographic conditions | ||
Income (multiples of minimum wage) | ||
<1 | 769 | 20.3 |
1.1–3.0 | 1908 | 50.4 |
3.1–6.0 | 714 | 18.8 |
> 6.0 | 39 | 10.5 |
Mother’s education (years) | ||
0–4 | 1266 | 33.3 |
5–8 | 1645 | 43.3 |
9–11 | 410 | 10.7 |
≥ 12 | 481 | 12.7 |
Gestation conditions | ||
Mother’s age (years) | ||
< 20 | 549 | 27.9 |
20–29 | 2213 | 48.9 |
≥ 30 | 1045 | 23.2 |
Mother’s skin color | ||
White | 3114 | 81.8 |
Non-white | 692 | 18.2 |
Maternal smoking | ||
Yes | 1347 | 35.4 |
No | 2460 | 64.6 |
Maternal diabetes | ||
Yes | 13 | 0.3 |
No | 3794 | 99.7 |
Maternal hypertension | ||
Yes | 216 | 5.4 |
No | 3588 | 94.6 |
Maternal weight gain | ||
Insufficient | 960 | 29.8 |
Adequate | 1188 | 36.9 |
Excessive | 1070 | 33.3 |
Childbirth conditions | ||
Type of childbirth | ||
Vaginal | 2756 | 72.4 |
Cesarean section | 1051 | 27.6 |
Birthweight (grams) | ||
< 2500 | 267 | 7.0 |
2500–2999 | 917 | 24.1 |
3000–3499 | 1449 | 38.1 |
≥ 3500 | 1173 | 30.8 |
Intrauterine growth restriction | ||
AGA | 2590 | 85.2 |
SGA | 448 | 14.8 |
Childhood conditions | ||
Breastfeeding (months) | ||
< 1 | 801 | 21.8 |
1–2.9 | 958 | 26.0 |
3–5.9 | 834 | 22.6 |
≥ 6 | 1091 | 29.6 |
Increased weight gain rate (0–2 years old) | ||
Yes | 973 | 34.5 |
No | 1845 | 65.5 |
Increased weight gain rate (2–4 years old) | ||
Yes | 157 | 4.8 |
No | 3104 | 95.2 |