District | Sociodemographic characteristics | Clinical characteristics | n | |
Anle | Urban area (general population) | General chronic diseases (Metabolism) | 4 | |
Ruifang | Rural area (miners) | High risk of lung, liver, and kidney diseases | 4 | |
Wanli | Rural area (fishermen, high level of alcohol use) | High risk of liver disease and metabolic syndrome | 4 | |
Gongliao | Rural area (close to a nuclear power plant, retired fishermen) | High risk of liver disease, metabolic syndrome and various cancers | 4 |