Healthy lifestyle, multimorbidity and all-cause mortality among older people: a retrospective cohort study based on CLHLS 2005–2018 | BMC Geriatrics
Study design and participants This study was based on data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), a nationwide longitudinal study on factors influencing health in older adults, conducted by the Center for Healthy Aging and Development Research at Peking University. The CLHLS employed a multi-stage stratified sampling design, covering 23 provinces, municipalities, and…