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Title: Hematocrit levels as cardiovascular risk among taxi drivers in Bangkok, Thailand
Authors: Tomohiro Ishimaru
Sara Arphorn
Ann Jirapongsuwan
Mahidol University
University of Occupational and Environmental Health
Keywords: Environmental Science
Issue Date: 1-Jan-2016
Citation: Industrial Health. Vol.54, No.5 (2016), 433-438
Abstract: © 2016 National Institute of Occupational Safety and Health. In Thailand, taxi drivers employed in the informal sector often experience hazardous working conditions. Previous studies revealed that elevated Hematocrit (HCT) is a predictor of cardiovascular disease (CVD) risk. This study assessed factors associated with HCT in taxi drivers to predict their occupational CVD risk factors. A cross-sectional study was conducted on 298 male taxi drivers who joined a health check-up campaign in Bangkok, Thailand. HCT and body mass index were retrieved from participant health check-up files. Self-administered questionnaires assessed demographics, driving mileage, working hours, and lifestyle. Statistical associations were analyzed using stepwise linear regression. Our results showed that obesity (p=0.007), daily alcohol drinking (p=0.003), and current or past smoking (p=0.016) were associated with higher HCT levels. While working hours were not directly associated with HCT levels in the current study, the effect on overworking is statistically arguable because most participants worked substantially longer hours. Our findings suggest that taxi drivers’ CVD risk may be increased by their unhealthy work styles. Initiatives to improve general working conditions for taxi drivers should take into account health promotion and CVD prevention. The policy of providing periodic health check-ups is important to make workers in the informal sector aware of their health status.
ISSN: 00198366
Appears in Collections:Scopus 2016-2017

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