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 NIOSH Publication No. 2004-146

Worker Health Chartbook 2004

 Worker Health Chartbook > Chapter 2 > Musculoskeletal Disorders > Disorders Associated with Repeated Trauma
Chapter 2: Fatal and Nonfatal Injuries, and Selected Illnesses and Conditions

Disorders Associated with Repeated Trauma

Occupational disorders associated with repeated trauma include conditions resulting from repeated motion, vibration, or pressure. These disorders are one class of illness tracked by BLS. Examples of repeated trauma disorders include CTS, noise-induced hearing loss, Raynaud’s phenomenon, synovitis, tenosynovitis, and bursitis. During 1972–2001, repeated trauma disorders ranged from a low of 20,200 cases in 1978 to a high of approximately 332,100 cases in 1994 (Figure 2–56). In 2001, BLS reported 216,400 cases of repeated trauma disorder—nearly 65% of all nonfatal occupational illness cases in 2001, and a decrease of 42% from the 1994 rate (Figure 2–56). Rates varied during 1984–2001 from a low of 5.1 per 10,000 full-time workers in 1984 to a high of 41.1 in 1994. BLS reported a rate of 23.8 per 10,000 full-time workers in 2001 (Figure 2–57). Within reporting States, the number of repeated trauma disorders ranged from 100 to 26,700 cases in 2001 (Figure 2–58). In 2001, incidence rates varied by State from a low of 2.9 per 10,000 full-time workers in New Mexico to a high of 120.1 in Maine. The U.S. rate was 23.8 per 10,000 full-time workers (Figure 2–59).

Magnitude and Trend

How did the number of repeated trauma disorders change during 1972–2001?
chart thumbnail - click on image for larger view.Figure 2-56 Number of disorders associated with repeated trauma in private industry, 1972-2001. Repeated trauma disorders ranged from a low of 20,200 cases in 1978 to a high of approximately 332,100 cases in 1994. In 2001, BLS reported 216,400 repeated trauma disorder cases-nearly 65% of all nonfatal occupational illness cases in 2001, and a decrease of 42% from the 1994 rate. (Source: BLS [2002].)

How did the rate of repeated trauma disorders change during 1984–2001?
chart thumbnail - click on image for larger view.Figure 2-57 Incidence rates of disorders associated with repeated trauma in private industry, 1984-2001. BLS reported increasing rates for repeated trauma disorders-from 5.1 per 10,000 full-time workers in 1984 to 41.1 in 1994. BLS reported a rate of 23.8 per 10,000 full-time workers in 2001. (Source: BLS [2002].)

Numbers and Rates among States

How did the number of repeated trauma disorders differ by State in 2001?
chart thumbnail - click on image for larger view.Figure 2-58 Number of disorders associated with repeated trauma in private industry by State, 2001. Within reporting States, the number of repeated trauma disorders ranged from 100 to 26,700 cases in 2001. States with the highest numbers included California (26,700), Michigan (22,700), Texas (11,600), and Illinois (9,500). (Source: BLS [2002].)

How did the rates of repeated trauma disorders differ by State in 2001?
chart thumbnail - click on image for larger view.Figure 2-59 Incidence rates for disorders associated with repeated trauma in private industry by State, 2001. Incidence rates for disorders associated with repeated trauma varied by State in 2001, from a low of 2.9 per 10,000 full-time workers in New Mexico to a high of 120.1 in Maine. The U.S. rate was 23.8 per 10,000 full-time workers. Lower rates were reported for States in the West, the Southwest, and the South. (Source: BLS [2002].)

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