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To determine whether functional and psychosocial outcomes associated with hearing impairment are a direct result or stem from prevalent comorbidity, we analyzed the impact of two levels of reported hearing impairment on health and psychosocial functioning one year later with adjustments for baseline chronic conditions. Physical functioning, mental health, and social functioning decreased in a dose-response pattern for those with progressive levels of hearing impairment compared with those reporting no impairment. Our results demonstrate an independent impact of hearing impairment on functional outcomes, reveal increasing problems with higher levels of impairment, and support the importance of preventing and treating this highly prevalent condition.

This study compares the health of 42 grandparent, 44 spouse, and 130 adult-child caregivers with 1,669 noncaregivers in 1994 and 1974. In 1994, all three caregiver groups had poorer mental health than the noncaregivers; grandparent caregivers also had poorer physical health and greater activity limitations. Spouse and adult-child caregivers had not differed from the noncaregivers 20 years prior, but grandparent caregivers had experienced poorer health than the noncaregivers and more stressful life events than the other caregivers. Caregiving appears to add new burdens to otherwise normal lives for spouse and adult-child caregivers, while being yet another aspect of a difficult life course for grandparent caregivers.