| Blood lead level quartiles |  | |||
---|---|---|---|---|---|
Variables | Q1 | Q2 | Q3 | Q4 | P for trend |
Men | |||||
 Blood lead level, μg/dL | ≤3.60 | 3.61–5.29 | 5.30–7.28 | ≥7.29 |  |
NAFLD | |||||
 Model 1 | Ref. | 1.107 (0.670–1.829) | 1.366 (0.832–2.244) | 1.644 (1.003–2.695)* | 0.033 |
 Model 2 | Ref. | 1.261 (0.695–2.287) | 1.394 (0.770–2.523) | 1.858 (1.007–3.429)* | 0.048 |
 Model 3 | Ref. | 1.695 (0.841–3.419) | 1.837 (0.875–3.858) | 2.168 (0.989–4.750) | 0.063 |
Women | |||||
 Blood lead level, μg/dL | ≤2.97 | 2.98–4.49 | 4.50–6.59 | ≥6.60 |  |
NAFLD | |||||
 Model 1 | Ref. | 1.238 (0.918–1.669) | 1.424 (1.058–1.917)* | 1.818 (1.353–2.443)*** | <0.001 |
 Model 2 | Ref. | 1.276 (0.915–1.779) | 1.585 (1.140–2.204)** | 1.686 (1.211–2.348)** | 0.001 |
 Model 3 | Ref. | 1.384 (0.956–2.005) | 1.495 (1.024–2.181) * | 1.613 (1.082–2.405)* | 0.019 |