Lifestyle of Chinese centenarians and their key beneficial factors in Chongqing, China.

Objective: This study aims to describe the lifestyle of Chinese centenarians and to identify the beneficial factors that are correlated to their longevity.

Methods: A census-based survey was conducted among centenarians in Chongqing, Southwest China, to identify the lifestyle factors affecting their health. From screening identification cards, 878 centenarians (age range 100-117, mean 102) were identified and interviewed.