The change and correlates of healthy ageing among Chinese older adults: findings from the China health and retirement longitudinal study.

In China healthy ageing has improved during 2011-2015, but substantial geographical and sociodemographic heterogeneities exist in the improvements, suggesting health equality remains a challenge in China. Future policies and interventions should especially focus on men, those in Central and West China, and combat health problems like obesity, chronic diseases and unhealthy behaviors.