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dc.contributor.authorMoyce, Sally
dc.contributor.authorArmitage, Tracey
dc.contributor.authorMitchell, Diane
dc.contributor.authorSchenker, Marc
dc.identifier.citationMoyce, Sally, Tracey Armitage, Diane Mitchell, and Marc Schenker. “Acute Kidney Injury and Workload in a Sample of California Agricultural Workers.” American Journal of Industrial Medicine 63, no. 3 (November 26, 2019): 258–268. doi:10.1002/ajim.23076.en_US
dc.description.abstractBACKGROUND: Kidney damage is associated with an increased workload in high ambient temperatures and may represent a pathway to chronic kidney disease of unknown origin in agricultural workers. We tested the associations of workload and heat with acute kidney dysfunction in California agricultural workers. METHODS: We recruited a convenience sample of 471 agricultural workers from 29 farms in California during two summer harvest seasons. The sustained 3-minute maximum workload was estimated using accelerometer data collected from Actical monitors and individual heat load through elevations in core body temperature. Acute kidney injury (AKI) was defined by a change in serum creatinine of ≥0.3 mg/dL or ≥1.5 times the preshift creatinine over the course of the work shift. Associations between AKI and workload were modeled using logistic regression, controlling for demographic, physiologic, and occupational variables. RESULTS:Of the total, 357 workers (75.8%) had accelerometer readings in the moderate workload category, 93 (19.7%) had readings in the vigorous category. 177 (36%) had elevations of core body temperature ≥1°C; 72 workers (14.9%) demonstrated evidence of AKI after a single day of agricultural work. The workload category was associated with an increased adjusted odds of AKI (1.92; 95% confidence interval, 1.05-3.51). Piece-rate work was also associated with increased adjusted odds of AKI (3.02; 95% CI, 1.44-6.34). CONCLUSIONS: Heavy occupational workload and piece-rate work were associated with acute effects on the renal health of agricultural workers. This indicates that occupations requiring high physical effort put workers at risk for AKI, possibly independent of ambient and core body temperature. Changes to agricultural practices may reduce the risk of renal disorders for these workers.en_US
dc.titleAcute kidney injury and workload in a sample of California agricultural workersen_US
mus.citation.journaltitleAmerican Journal of Industrial Medicineen_US
mus.relation.collegeCollege of Nursingen_US
mus.relation.universityMontana State University - Bozemanen_US

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