Low serum carotenoids and development of severe walking disability among older women living in the community: the Women's Health and Aging Study I

Objective to determine whether low serum carotenoid levels, an indicator of low intake of fruits and vegetables, are associated with the progression of disability in older women. Design longitudinal analysis in a population-based cohort. Setting moderately–severely disabled women, ≥65 years, living in the community in Baltimore, Maryland (the Women's Health and Aging Study I). Participants 554 women without severe walking disability (inability to walk or walking speed