Journal
BMC PUBLIC HEALTH
Volume 22, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12889-022-13935-x
Keywords
Hyperuricemia; Occupational hazards; Steelworkers; Nested case-control study
Categories
Funding
- Science and Technology Project of Hebei Education Department [JYG2019002]
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This study found that shift work, heat exposure, and dust exposure are independent risk factors for the development of hyperuricemia in steelworkers. There is a multiplicative interaction between heat exposure and dust exposure in the development of hyperuricemia. Interventions targeting shift work, heat, and dust may help to reduce the incidence rate of hyperuricemia and improve the health of steelworkers.
Background Occupational exposure may be associated with an increased risk of developing hyperuricemia. This study sheds lights on the association between occupational exposure and hyperuricemia in steelworkers. Method A nested case-control study was conducted within a cohort of workers in steel companies to explore the association between occupational exposure and hyperuricemia. The case group consisted of a total of 641 cases of hyperuricemia identified during the study period, while 641 non-hyperuricemia subjects with the same age and gender distribution were randomly selected from the cohort as the control group. Results The incidence rate of hyperuricemia among workers in the steel company was 17.30%, with an incidence density of 81.32/1,000 person-years. In comparison to the reference group, the risks of developing hyperuricemia for steelworkers undergoing ever shifts, current shifts, heat exposure, and dust exposure were 2.18 times, 1.81 times, 1.58 times and 1.34 times higher respectively. The odds ratios (ORs) and 95% confidence intervals (CIs) were 1.87(1.12-3.13) and 2.02(1.21-3.37) for the cumulative number of days of night work at 0-1,972.80 and >= 1,972.80 (days), respectively. Compared to the group with the cumulative heat exposure of 0 (degrees C/year), the ORs (95% CI) for the risk of developing hyperuricemia in the groups with the cumulative heat exposure of 0-567.83 and >= 567.83 (degrees C/year) were 1.50(1.02-2.22) and 1.64(1.11-2.43), respectively. The OR (95% CI) for the risk of developing hyperuricemia was 1.56(1.05-2.32) at the cumulative dust exposure of >= 30.02 (mg/m(3)/year) compared to that at the cumulative dust exposure of 0 (mg/m(3)/year). Furthermore, there was a multiplicative interaction between heat exposure and dust exposure in the development of hyperuricemia. Conclusion Shift work, heat, and dust are independent risk factors for the development of hyperuricemia in steelworkers. Additionally, there is a multiplicative interaction between heat exposure and dust exposure in the development of hyperuricemia. Interventions for shift work, heat and dust may help to reduce the incidence rate of hyperuricemia and improve the health of steelworkers.
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