Socioeconomic status was assessed via questionnaire and defined by the maternal educational level, coded as 0 (below university education) and 1 (university education).
‡ Adjusted for sex, year, maternal smoking during pregnancy, maternal educational level, parents'country of birth, taken part of parental education program, crowded living and having a pet.
Age, sex, BMI, maternal educational level, number of computers at home and moderate to vigorous physical activity (MVPA) were used as confounders.
Scores increased with maternal educational level.
Maternal educational level was documented in only six cases.
Maternal educational level was available for mothers of twins.
Maternal educational level was assessed when the twins were 3, 7, and 10 years.
The association between adolescent BP and maternal educational level has been demonstrated extensively [ 68, 83].
Gnavi and Costa (2002) reported that postneonatal mortality was strongly correlated with low maternal educational level.
Maternal educational level was not significantly associated with LBW in non-whites.
Maternal educational level, occupation and household monthly income were indicators of the socioeconomic circumstances.
