From April to August 1977, health researchers from the University of Otago, Christchurch, sought to enroll newborns as study participants.
[2] A wide variety of data was collected regarding family, personal and social circumstances over the time period.
[3] By 2001, the study had produced results regarding unemployment, crime, substance abuse, breastfeeding, adolescent pregnancy, adoption, and other topics.
[4] For example, the study found a strong correlation between duration of breastfeeding and academic outcomes in high school, building on previous research showing a change in IQ alone.
[3] The study also collected over 900 baby teeth to evaluate the impact of lead on behavioral and cognitive outcomes.