Sentence examples for maternal years from inspiring English sources

For social stratification we used maternal years of schooling.

In our analysis maternal years of schooling clearly identified the disadvantaged group.

Socio-economic variables considered in the analysis included maternal years of education, total household income, maternal work status during pregnancy and place of residence.

Socioeconomic status was estimated using as a proxy the number of maternal years of formal education as collected at birth by the civil registry [ 16].

The main exposure variables were the food and micronutrient interventions and the main stratifying variable was maternal years of schooling, dichotomized as <6 years (median value) and ≥6 years, which also corresponds to primary and above primary education, respectively.

The perinatal characteristics available from birth records were birth weight, gestational age, sex, birth order, plurality (singleton or multiple birth), year of birth, parental age and race/ethnicity and maternal years of education.

Figure 2 shows incidence rates of childhood leukemia (per 100,000 person-years) over the child year of birth (left) and the maternal year of birth (right) for the same maternal age groups.

We aimed to assess whether there is an association between maternal age and risk of childhood leukemia and whether such an association is modified by maternal year of birth.

Maternal age (years) was ascertained at enrollment.

bfurther adjusted for maternal age (years).

Moreover, four potential confounders which are precisely measured are reported: maternal age (years), maternal weight (pounds), maternal race (Caucasian and non-Caucasian) and gestational age (days).