Table 1

Characteristics of the three groups, by educational level

Education group:n (step 3 only)Educational levelMean ageĀ (years)PercentageĀ (%) of women
Higher educational level16 (5)15 high/1 intermediate4475
Intermediate educational level16 (2)13 intermediate/3 high4956
Lower educational level14 (1)14 low6979