From: Influence of occupational exposure on hyperuricemia in steelworkers: a nested case–control study
Variable | Model I | Model II | Model III | |||
---|---|---|---|---|---|---|
OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
Cumulative number of days of night work (day) | ||||||
0 | 1.00 | - | 1.00 | - | 1.00 | - |
0–1,972.80 | 1.76(1.16–2.66) | 0.007* | 1.71(1.08–2.71) | 0.023* | 1.87(1.12–3.13) | 0.017* |
≥ 1,972.80 | 1.87(1.25–2.80) | 0.002* | 1.92(1.22–3.01) | 0.005* | 2.02(1.21–3.37) | 0.007* |
Cumulative exposure to heat (°C/year) | ||||||
0 | 1.00 | - | 1.00 | - | 1.00 | - |
0–567.83 | 1.31(0.95–1.80) | 0.095 | 1.42(1.00–2.01) | 0.051 | 1.50(1.02–2.22) | 0.041* |
≥ 567.83 | 1.95(1.43–2.66) | < 0.001* | 1.53(1.08–2.17) | 0.016* | 1.64(1.11–2.43) | 0.014* |
Cumulative exposure to dust (mg/m3/year) | ||||||
0 | 1.00 | - | 1.00 | - | 1.00 | - |
0–30.02 | 1.23(0.89–1.70) | 0.214 | 1.27(0.89–1.80) | 0.192 | 1.16(0.78–1.73) | 0.459 |
≥ 30.02 | 1.69(1.21–2.36) | 0.002* | 1.75(1.21–2.52) | 0.003* | 1.56(1.05–2.32) | 0.028* |
Cumulative noise exposure (dB(A)/year) | ||||||
0 | 1.00 | - | 1.00 | - | 1.00 | - |
0–1,660.68 | 0.91(0.65–1.26) | 0.563 | 0.87(0.60–1.26) | 0.462 | 0.91(0.61–1.37) | 0.653 |
≥ 1,660.68 | 0.94(0.70–1.27) | 0.696 | 0.97(0.70–1.34) | 0.845 | 0.97(0.68–1.38) | 0.851 |