Sex differences in the prevalence of mobility disability in old age: the dynamics of incidence, recovery, and mortality.

摘要: Objectives This study examined sex differences in the prevalence of mobility disability older adults according to influences three components prevalence: incidence, recovery from disability, and mortality. Methods Participants a population-based communities United States (N = 10,263) were studied for up 7 years. Life table methods used estimate influence each women men. Sex probabilities transition states measured by relative risks derived single model using Markov chain approach. Results The proportion disabled increased 22% aged 70 years 81% those 90 In men, comparable figures 15% 57%. Incidence had greatest impact on until age when rates greater prevalence. Mortality men only modest These findings initially seemed contradict striking observed mortality compared with women. Subsequent graphical analyses showed that incidence rather than or largely accounted old age. Conclusion Disability dynamically disability. However, has overall higher