Influence of individual and combined healthy behaviours on successful aging

Association between the number of healthy behaviours participants showed at baseline and (A) successful aging or (B) survival. In model 1, each number of healthy behaviours is included in the model as a category, and ORs are calculated with “0 healthy behaviours” as the reference group. In model 2, the category 1–4 includes all participants with 1–4 healthy behaviours, and the ORs are calculated with “0 healthy behaviours” as the reference group. The binary outcomes are successful aging versus death or normal aging, and survival to the end of follow-up versus death. OR = odds ratio. Error bars indicate 95% confidence intervals. *Models were adjusted for age, sex, level of education and marital status, and were mutually adjusted for all health behaviours. †Reference.