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原文传递 Work Schedules and Sleep Patterns of Railroad Maintenance of Way Workers.

题名：	Work Schedules and Sleep Patterns of Railroad Maintenance of Way Workers.
作者：	gertler, j. viale, a.
关键词：	study methodology, survey, work/rest schedules, fatigue (biology), sleep patterns
摘要：	This report presents the results of a study designed to characterize the work/rest schedules and sleep patterns of U.S. railroad maintenance of way (MOW) employees and to examine the relationship between these schedules and levels of alertness of the individuals working the schedules. The study methodology was a survey of a random sample of currently working U.S. MOW employees who completed a background survey and kept a daily log for 2 weeks. MOW workers are a predominantly healthy middle-aged male population. They work either production (construction) or non-production (maintenance) jobs and focus on either track or bridge and building infrastructure. A majority of non-production jobs have a 5-day work week, but nearly half of production jobs work a 4-day week and 20 percent work 8-on 6-off. Overall, 24 percent of MOW workers traveled on their own time to an out-of-town worksite during the studys 2-week period. Both groups get the same amount of sleep, but it is significantly less than U.S. adult norms. Several work schedule characteristics, including time without a break, total hours worked, weeknight emergency calls, and commute time, were related to daytime alertness, but their relationship was weak. / NOTE: Final rept. Sep 03-Aug 05. / Supplementary Notes: See also report for Railroad Signalmen, PB2007-102295. Sponsored by Federal Railroad Administration, Washington, DC. Office of Research and Development. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
总页数：	u0710；87p
报告类型：	科技报告