Fig. 1

Adjusted (center, age, sex, level of education, and APOE) spline analyses of all-cause dementia risk in function of the household/transportation activity sub-scores a and the leisure and sport activity sub-scores b. Dashed lines represent the 95% confidence intervals. The score distribution is represented by the histogram in the background with the blue bars for the reference class, the yellow bars for the moderate activity class and the green bars for the high activity class