> The unadjusted incidence density for all-cause mortality was 76.7 per 1000 person-years for the 655 individuals who took less than 4000 steps per day; 21.4 per 1000 person-years for the 1727 individuals who took 4000 to 7999 steps per day; 6.9 per 1000 person-years for the 1539 individuals who took 8000 to 11 999 steps per day; and 4.8 per 1000 person-years for the 919 individuals who took at least 12 000 steps per day.