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Risk factors and life processes associated with teenage pregnancy: Results of a prospective study from birth to 20 years
Data gathered over the course of a 20-year longitudinal study of 533 New Zealand women were used to (a) describe the extent and timing of pregnancies within the cohort up to age 20, and (b) examine the extent to which the ...
Transition to parenthood and substance use disorders: Findings from a 30-year longitudinal study
Background: This study examined the associations between the transition to parenthood and substance use disorders from ages 18 to 30 in a New Zealand birth cohort. Methods: Outcomes included: DSM-IV criteria for: (a) alcohol ...