Table 2 Baseline data according to study group

Final child’s age, months ^{b c}

Sex of the child

 Male

 Female

Maternal education, years ^b

 0-5

 ≥ 6

Paternal education, years ^b

 0-5

 ≥ 6

Household wealth index ^c

Household income, minimum wage per month

 1

 ≥ 2

Mother had worked in the last 12 months ^{b d}

Permanent economic support from father ^b

Mother possesses “Comer es primero” card ^{b e}

National origin of the mother

 Dominican

 Haitian

Piped water inside the house (or outside, rural)

Waste disposed in a nearby dump, river or glen

More than 2 children aged 0–4 in the household

Father lives in the house with mother ^b

Maternal height, cm ^c

Maternal BMI, kg/m^{2 f}

Maternal age, years ^f

First born child

Desire for pregnancy

 Wanted to become pregnant at the time

 Wanted to wait or did not want more children

Birthweight, kg ^c

Low birthweight (< 2.5 kg)