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