Note. All statistics are sample weighted to produce nationally representative estimates. The number of individuals who died by 2007 is 174 for the mortality sample and 47 for the disease-onset sample.
aThe father’s education if he is present; the mother’s education if she is head of the household.
bChildhood neighborhood defined as the census tract where the child lived in 1968. High-poverty = > 30% of the people who lived in the neighborhood were in poverty; medium-poverty = 10%-30%; low-poverty = < 10%. We obtained census tract-level poverty information by linking the PSID individual data to US census data for each census tract.
cBased on parental report.