Magnitude of risk of poor psychological outcomes. Survivors were compared with siblings, adjusted for sex, age at study participation (continuous), race/ethnicity (non-Hispanic white, others), marital status (married, not married), income (< $20 000/y, $20 000-$60 000/y, > $60 000/y), education (did not complete high school (HS)/HS graduate, some college or higher), insurance status (yes, no), health status (poor/fair, good/excellent), and grade of chronic health conditions (none, grade 1 or 2, grade 3 or 4).