China
China Medical University - Department of Biostatistics and Epidemiology
fatigue situation; anxiety symptoms; front-line clinical workers; COVID-19
physical inactivity, physical activity, surveillance, cross-sectional survey, epidemiology
Cooking fuel, Mortality, Socioeconomic status, China Health and Nutrition Survey
Solid fuel use, dementia risk, Rotterdam Study Basic Dementia Risk Model, middle-aged and older adults