Table 1 Variable assignment of unconditional logistic regression analysis of risk factors of renal dysfunction in paint workers
From: Risk factors of renal dysfunction and their interaction in level-low lead exposure paint workers
Variable | Definition and variable assignment |
|---|---|
Renal dysfunction | No = 0, Yes = 1 |
Age (years) | < 25 = 1, 25~ = 2, 37~ 59 = 3 |
Gender | Male = 1, Female = 2 |
Work year (years) | < 2 = 1, 2~ = 2, 9~ 32 = 3 |
Smoke | No = 0, Yes = 1 |
Drink | No = 0, Yes = 1 |
Wear mask | Never = 1, Occasionally = 2, Frequently = 3 |
Wash hands before meals | Never = 1, Occasionally = 2, Frequently = 3 |
Blood pressure | Normal blood pressure = 0, Hypertension =1 |
Blood lead | Negative = 0, Positive = 1 |