Table 6 Assignment of influencing factor variables
From: Development and internal validation of risk prediction model of metabolic syndrome in oil workers
Variable name | Variable meaning | Assignment method |
|---|---|---|
Y | MetS | 0 = No,1 = Yes |
X1 | Age | Continuous variable (year) |
X2 | Per capita monthly household income | 1 = < 2000,2 = 2000–3000,3 = ≥3000 |
X3 | BMI | Continuous variable(Kg/m2) |
X4 | Family history of diabetes mellitus | 1 = No,2 = Yes |
X5 | Salt | 1 = Light,2 = Moderate,3 = Salty |
X6 | Dairy intake | 1 = Never,2 = Occasionally,3 = Regularly,4 = Every day |
X7 | Carbonated beverage intake | 1 = Never,2 = Occasionally,3 = Regularly,4 = Every day |
X8 | Physical exercise | 1 = No,2 = Yes |
X9 | Smoking status | 1 = No smoking,2 = Quit smoking,3 = Smoking |
X10 | Shift work situation | 1 = Never,2 = Once,3 = Now |
X11 | Occupational heat | 1 = No,2 = Yes |
X12 | UA | Continuous variable(mmol/L) |
X13 | ALT | Continuous variable(U/L) |