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The rate of musculoskeletal disorders (MSDs) across all U.S. private industry decreased from 49.6 per 10,000 in 2003 to 38.6 in 2006. The Transportation and Warehousing (NAICS 48–49) sector rates were consistently higher by more than two-fold, with very high rates reported by employers for two subsectors: Air Transportation (NAICS 481), with a rate more than five times greater than the U.S. private industry rate; and Couriers and Messengers (NAICS 492), with a rate more than 3.6 times greater than the U.S. private industry rate. |
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