Fig. 2

Trajectories of disability for the disability index (a) of the health assessment questionnaire (HAQ) in older adults by baseline age group over 10 years. Triangles are the means for each age and are not the individual points used for plotting the trajectories. HAQ, health assessment questionnaire. Models sample size: Men – 60–64 (n = 865), 65–69 (n = 817), 70–74 (n = 668), 75–79 (n = 566), 80–84 (n = 275), 85+ (n = 112); Women – 60–64 (n = 339), 65–69 (n = 324), 70–74 (n = 259), 75–79 (n = 210), 80–84 (n = 93), 85+ (n = 40). Trajectories of the percentage of people with at least some difficulty in disability domains (b) of the health assessment questionnaire by years of age over 10 years