Kristin Musolin1, Jessica G Ramsey2, James T Wassell3, David L Hard4. 1. National Institute for Occupational Safety and Health, Health Hazard Evaluation Technical Assistance Branch, 4676 Columbia Parkway, MS R10 Cincinnati, OH 45226, USA. Electronic address: jwy1@cdc.gov. 2. National Institute for Occupational Safety and Health, Health Hazard Evaluation Technical Assistance Branch, 4676 Columbia Parkway, MS R10 Cincinnati, OH 45226, USA. Electronic address: ddq2@cdc.gov. 3. National Institute for Occupational Safety and Health, Division of Safety Research, Morgantown, WV 26501, USA. Electronic address: jtw2@cdc.gov. 4. National Institute for Occupational Safety and Health, Division of Safety Research, Morgantown, WV 26501, USA. Electronic address: dlh6@cdc.gov.
Abstract
OBJECTIVE: To determine prevalence of carpal tunnel syndrome (CTS) among poultry processing employees while taking into account non-occupational factors and assess any association between CTS prevalence and exposure groups. METHODS: Performed a cross-sectional survey to assess CTS (n = 318). A CTS case was defined as an employee with self-reported CTS symptoms, an abnormal hand symptom diagram, and an abnormal nerve conduction study (NCS). Log-binomial regression was used to estimate prevalence ratios. RESULTS: Three hundred and one participants had sufficient symptom information or NCS data to be classified. 126 (42%) of 301 participants had evidence of CTS. In the adjusted analysis, the highest exposure group had CTS prevalence that was significantly higher than that for the lower exposure group [PR: 1.61; 95% CI = (1.20, 2.17)]. CONCLUSIONS: Increasing levels of hand activity and force were associated with increased CTS prevalence among participants. Recommendations were provided to reduce exposure to these risk factors. Published by Elsevier Ltd.
OBJECTIVE: To determine prevalence of carpal tunnel syndrome (CTS) among poultry processing employees while taking into account non-occupational factors and assess any association between CTS prevalence and exposure groups. METHODS: Performed a cross-sectional survey to assess CTS (n = 318). A CTS case was defined as an employee with self-reported CTS symptoms, an abnormal hand symptom diagram, and an abnormal nerve conduction study (NCS). Log-binomial regression was used to estimate prevalence ratios. RESULTS: Three hundred and one participants had sufficient symptom information or NCS data to be classified. 126 (42%) of 301 participants had evidence of CTS. In the adjusted analysis, the highest exposure group had CTS prevalence that was significantly higher than that for the lower exposure group [PR: 1.61; 95% CI = (1.20, 2.17)]. CONCLUSIONS: Increasing levels of hand activity and force were associated with increased CTS prevalence among participants. Recommendations were provided to reduce exposure to these risk factors. Published by Elsevier Ltd.
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