Table 4.

Follow up rates in the 2004-5 visit, according to baseline characteristics of the cohort. Pelotas, Southern Brazil.

Variable	Original cohort N (%)	% located*	P**
Gender			0.18
Boys	2,580 (49.2%)	86.9
Girls	2,667 (50.8%)	88.1
Family income (minimum wages)			<0.001
≤1	967 (18.4%)	88.3
1.1-3.0	2,260 (43.1%)	88.7
3.1-6.0	1,204 (22.9%)	88.9
6.1-10.0	433 (8.3%)	79.9
>10.0	385 (7.3%)	82.6
Maternal schooling at birth (years)			<0.001
0	134 (2.6%)	82.1
1-4	1,338 (25.5%)	88.7
5-8	2,424 (46.2%)	89.9
≥9	1,350 (25.7%)	82.5
Birth weight (g)			0.16
<2,500	510 (9.8%)	89.8
2,500-3,499	3,361 (64.2%)	86.9
≥3,500	1,361 (26.0%)	87.9
Overall	5,249 (100.0%)	87.5

^*Including 141 deaths

^**Chi-square test