Variable | Categories |
---|---|
Gender | Male =0, Female =1 |
Poverty | Poor [annual per capita income below CNY 2300 (or USD 362.82) or lived in poor households] =1, Not-poor =0 |
Level of education | Low (junior high school and below) =1, Middle (high school and technical school) =2, High (senior for college, college, undergraduate and higher education) =3 |
Occupation | Unemployed =1, Retired =2, Employed =3 |
Ethnicity | Hui =1, Mongolian =2, Other minority (Zhuang, Manchu, Bai, etc.) =3, Han =4 |
Marital status | Single =1, Widowed/Divorced =2, Married =3 |
Smoking | Non-smoker (never having smoked previously) =1, Former smoker (previously smoked but quit) =2, Current smoker (currently consumed cigarettes) =3 |
Drinking | Yes = Drinker (consumed alcohol within the previous 12 months at the time of the interview) =1, No = Non-drinker (no consumed alcohol within this time period) =0 |
BMI (kg/m2) | BMI < 24 = 0, BMI ≥24 = 1 |
Comorbidity | No =0,Yes =1 |