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 NIOSH Publication No. 2004-146

Worker Health Chartbook 2004

 Worker Health Chartbook > Chapter 2 > Nonfatal Injuries > Sprains, Strains, and Tears
Chapter 2: Fatal and Nonfatal Injuries, and Selected Illnesses and Conditions

Sprains, Strains, and Tears

Sprains, strains, and tears accounted for 4 out of 10 nonfatal injuries and illnesses involving days away from work in 2001 [BLS 2003e]. Sprains, strains, and tears constituted the leading injury and illness category for every major private industry division. Slightly more than a fourth of these cases (27.3%) resulted from overexposure to lifting, and 45.1% of the cases were back sprains, strains, or tears [BLS 2003e]. Sprain, strain, and tear cases include avulsion, hemarthrosis, rupture, strain, sprain, or tear of joint capsule, ligament, muscle, or tendon. Sprain, strain, and tear cases are of moderate severity (Figure 2–143). In 2001, they involved a median of 6 days away from work—the same median reported for all nonfatal injuries and illnesses [BLS 2003a].

BLS reported 669,889 sprain, strain, and tear cases involving days away from work in 2001 (Figure 2–138). Rates declined 44.9% during 1992–2001, from 133.7 per 10,000 full-time workers in 1992 to 73.7 in 2001 (Figure 2–139). Most cases involved workers who were aged 25–54 (77.8%) (Figure 2–140), male (64.1%) (Figure 2–141), and white, non-Hispanic (69.9%) (Figure 2–142). Two occupational groups accounted for more than 57.6% of sprain, strain, and tear cases: operators, fabricators, and laborers (38.8%) and service workers (18.8%) (Figure 2–144). Rates exceeding the private-sector rate were reported for transportation and public utilities (147 per 10,000 full-time workers), construction (116.8), agriculture, forestry, and fishing (91.6), and wholesale trade (81.2) (Figure 2–145). Two industry sectors (transportation and public utilities and construction) had consistently higher rates than other sectors during this 10-year period. These sectors experienced rate reductions of 41.5% and 30.4%, respectively (Figure 2–146).

Magnitude and Trend
How did the number of sprain, strain, and tear cases change during 1992–2001?
How did the rates of sprain, strain, and tear cases change during 1992–2001?
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Age
How did sprain, strain, and tear cases compare with all nonfatal injury and illness cases by age of worker in 2001?
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Sex
How did sprain, strain, and tear cases compare with all nonfatal injury and illness cases by sex of worker in 2001?
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Race/Ethnicity
How did sprain, strain, and tear cases compare with all nonfatal injury and illness cases by race/ethnicity in 2001?
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Severity
How did sprain, strain, and tear cases compare with all nonfatal injury and illness cases when measured by days away from work in 2001?
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Occupation
How did sprain, strain, and tear cases compare with all nonfatal injury and illness cases by occupation in 2001?
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Industry
How did the rate of sprain, strain, and tear cases differ by private industry sector in 2001?
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How did the rates of sprain, strain, and tear cases change by private industry sector during 1992–2001?
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chart thumbnail - click on image for larger view.
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