Table 1.

Socioeconomic characteristics of the sample.

Variables	n = 97 (49 girls and 48 boys)
Maternal age in years (mean ± standard deviation)	25.2±6.5
Maternal education n (%)
Did not complete elementary school	21 (21.6)
Completed elementary school	40 (41.2)
Completed high school	31 (32.0)
Graduated	5 (5.25)
Maternal occupation n (%)*
Teacher in an elementary school	8 (8.2)
Worker (self-employed)	23 (23.9)
Non-worker (housewives)	41 (42.3)
Family income (mean±standard deviation)**	2.71±1.2

OBS: *3 mothers died before this study; **income was measured as Brazilian minimum wage.