Table 4 logistic regression analysis on the association between blood lead concentrations of children and demographic variables
Variable | OR (95%CI) | P-value |
|---|---|---|
Age (month) | 0.97 (0.96–0.99) | 0.01 |
Age | ||
≥ 72 month | Reference | |
12–24 month | 3.87 (1.39–10.79) | 0.01 |
24–48 month | 1.67 (0.56–4.59) | 0.35 |
48–72 month | 0.62 (0.16–2.47) | 0.50 |
BMI (kg/m2) | 1.13 (1.02–1.24) | 0.01 |
Gender | ||
Boy | Reference | |
Girl | 0.39 (0.17–0.92) | 0.03 |
Exposure to paint | ||
No | Reference | |
Yes | 1.71 (0.69–4.23) | 0.25 |
Exposure to soil | ||
No | Reference | |
Yes | 0.53 (0.12–2.33) | 0.40 |
Education levels of parents | ||
Primary school | Reference | |
Middle School | 0.57 (0.17–1.92) | 0.37 |
Diploma | 0.49 (0.18–1.33) | 0.16 |
Bachelor | 0.29 (0.08–1.03) | 0.05 |
Occupation of father | ||
Employment | Reference | |
Martial | 4.64 (0.87–24.51) | 0.07 |
Laborer | 5.56 (1.44–21.40) | 0.01 |
Repairman | 0.03 (0.001–2.65) | 0.97 |
Driver | 0.22 (0.08–4.68) | 0.80 |
Self-employment | 3.26 (0.89–11.88) | 0.07 |
Occupation of mother | ||
Self-employment | Reference | |
House wife | 0.53 (0.11–2.47) | 0.42 |
Employment | 0.78 (0.13–4.73) | 0.78 |
Opium use in parents | ||
No | Reference | |
Yes | 1.36 (0.17–11.14) | 0.77 |
Cigarette smoking in parents | ||
No | Reference | |
Yes | 1.37 (0.30–6.28) | 0.68 |