Parental separation, parental alcoholism, and timing of first sexual intercourse.

ABSTRACT:

Purpose

We examined timing of first voluntary sexual intercourse as a joint function of parental separation during childhood and parental history of alcoholism.

Methods

Data were drawn from a birth cohort of female like-sex twins (n = 569 African ancestry [AA]; n = 3,415 European or other ancestry [EA]). Cox proportional hazards regression was conducted predicting age at first sex from dummy variables coding for parental separation and parental alcoholism. Propensity score analysis was also employed to compare intact and separated families, stratified by predicted probability of separation.

Results

Earlier sex was reported by EA twins from separated and alcoholic families, compared to EA twins from intact nonalcoholic families, with effects most pronounced through the

SUBMITTER: Waldron M 

PROVIDER: S-EPMC4409650 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature