Table 1.
Children's characteristics in the exposed groups (housing less than 100 m from the recycling site) and control group (more than 150 m away).
| Variable | Exposed | Non-exposed | p |
|---|---|---|---|
| Age (months)a | 121 (27) | 122 (26) | 0.7 |
| Birth weight (g)a | 3234 (437) | 3091 (439) | 0.05 |
| Apgar score in the 5th minuteb | 9 (8–10) | 9 (8–10) | 0.9 |
| Weeks of gestationa | 39.4 (1.8) | 38.7 (1.5) | 0.6 |
| Postnatal hospitalization daysb | 2 (1–4) | 2 (1–3) | 0.6 |
| Maternal smoking during pregnancyc | 25 (33.7) | 20 (26) | 0.3 |
| Low maternal schooling (up to incomplete elementary school)c |
16 (20.7%) | 40 (53%) | ≤0.01 |
| Family income (in R$/month)b | 1300 (950–2000) | 2570 (1500–3500) | ≤0.01 |
a
Mean (±SD).
b
Median (IQ 25–75).
c
%.