Lifestyle characteristics and adult psychiatric and substance use disorders in CSA discordant MZ twin pairs.

1indicates pairs discordant for CSA and item where the exposed twin was positive for the item (n21).2indicates pairs discordant for CSA and item where the nonexposed twin was positive for the item (n12).3odds ratio for twin pairs doubly discordant for CSA and item (n21/n12).4prescription and non-prescription use for more than 1 year excluding birth control.+/− ∞, value is positive/negative and infinite due to a null value in at least one category.*two-sided P value from exact binomial test.