The risk of impairment associated with chronic health conditions (CHCs). The RR of impairment (and 95% CI) associated with having a grade 2 or higher cardiovascular, respiratory, endocrine, or neurologic condition (compared with no grade 2 or higher conditions). Log-binomial models for each of the neurocognitive, emotional distress, and quality of life impairments included all 4 CHCs and were adjusted for current age, sex, and race.