As seen in Table 1, the majority of both fathers and mothers had attended some college; approximately 20% of households had an income under $25,000 and 15% had incomes over $60,000; and about half of these twin girls were over 21 years of age. A history of AD was reported by 20.1% of fathers and 4.8% of mothers (not shown). Mothers reported that 82% of offspring had some religious background, and 27% of these young adults said that they currently attended religious services at least weekly. Many offspring (85%) reported having had at least one full drink; of those, 79% reported at-risk drinking (getting drunk or drinking regularly); and 15% of at-risk drinkers had progressed to AD. Offspring were found to underreport childhood disorder, so parent reports were used for ADHD and ODD. Fifteen percent of offspring met criteria for ADHD (under age 7); 16% of offspring met criteria for ODD [mean age 11.3 (3.5) years]; 8% met criteria for CD [mean age 12.9 (2.6) years]; 31% met criteria for MDD [mean age 15.1 (3.8) years]; and 47.3% had a
