Date and place of birth, levels of education, academic majors, degrees received, and the most recent educational institution enrolled in by the student.
The questionnaire contained 31 items, including questions on socio-demographic characteristics (birth year, sex, ethnicity, highest level of educational attainment) and health-related information (long-term health conditions and frequency of health visits).
In the final adjusted model, variables that remained statistically significant were: age 18 25 years; living in an urban community; country of birth other than Spain; unmarried status; lower level of educational attainment (with a statistically significant trend); current smoker; more than one lifetime sexual partner; and a history of genital warts (Table 2).
The biggest differences by mother's level of educational attainment were in nonmarital births, which were scarce in 1950, but began to rise as marriage rates fell.
They have high levels of educational attainment.
Poor levels of educational attainment.
The method adopted is retrospective maternity histories with decomposition of natural order of birth and educational level of birth cohorts of women born between 1945 and 1968.
Educational level was divided into tertiles by highest level of education achieved at the year of birth.
The prediction rule for academic or behavioral limitations included: gender, birth weight, educational level of the father, S. pneumoniae as causative pathogen, CSF leukocyte count, delay between admission and the start of antibiotics, the use of dexamethasone, seizures, and the duration of fever during admission.
The questionnaire collected data on: person answering the questionnaire, parent's date of birth, parent's educational level (a high level was classified as professional training level II, high school graduation, baccalaureate, or above) and occupational status, parental knowledge of vaccines and vaccination and type and age of vaccine administration.
