This remained insignificant after adjusting for year of injury.
Each volume has calendar for year of publication.
Data are aggregated for year of cohabitation and region.
Control infants were matched for year of birth, gestational age, and birth weight.
An additional manual search was made of relevant bibliographies without limitation for year of publication.
Martha LanowFox (now a board director for Year of Code) studied history before founding LastMinute.com.com
Subgroup analyses adjusting for year of publication, study design, and severity of illness did not change the results.
OLS regressions include dummies for year of entry, state of residence at entry and year of the survey; IV regressions include dummies for year of predicted entry, state of residence at age 14 and year of the survey.
This consistent composition was also maintained for year of enrolment and stream of study of our study population.
Adjustment for year of birth is made in all analyses.
Adjustment for year of birth did not change the estimates, which are shown unadjusted for year of birth.
