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. Author manuscript; available in PMC: 2020 Aug 21.
Published in final edited form as: Am J Ind Med. 2019 Jun 10;62(8):680–690. doi: 10.1002/ajim.22994

Table 1.

Characteristics of Total Worker Population: Gender, Age, Industry, Body Part Involved

Characteristics at First Claim Claims Overall [1] % First Claims [2] % Second Claims Any Body Part [3] % Second Claims Same Body Part [4] %
Gender
 Male 38,646 49.9% 28,930 49.9% 9,716 49.9% 1,983 47.5%
 Female 38,848 50.1% 29,077 50.1% 9,771 50.1% 2,196 52.5%
 Total
77,494

58,007

19,487

4,179
Age
 18–24 11,962 15.4% 10,073 17.4% 1,889 9.7% 496 11.9%
 25–34 20,058 25.9% 15,306 26.4% 4,752 24.4% 1,124 26.9%
 35–44 16,782 21.7% 12,413 21.4% 4,369 22.4% 943 22.6%
 45–54 16,318 21.1% 11,637 20.1% 4,681 24.0% 880 21.1%
 55–64 10,438 13.5% 7,193 12.4% 3,245 16.7% 637 15.2%
 65+ 1,936 2.5% 1,385 2.4% 551 2.8% 99 2.4%
 Total
77,494

58,007

19,487

4,179
Industry
 Police 814 1.1% 446 0.8% 368 1.9% 76 1.8%
 Fire 532 0.7% 343 0.6% 189 1.0% 35 0.8%
 Public Administration (Police and Fire excluded) 4,119 5.3% 2,753 4.7% 1,366 7.0% 229 5.5%
 Agriculture, Forestry, and Fishing 1,647 2.1% 1,086 1.9% 561 2.9% 202 4.8%
 Mining and Construction 7,419 9.6% 5,820 10.0% 1,599 8.2% 299 7.2%
 Manufacturing 4,295 5.5% 3,145 5.4% 1,150 5.9% 285 6.8%
 Transportation, Communications, Electric, Gas, and Sanitary Services 2,427 3.1% 1,690 2.9% 737 3.8% 140 3.4%
 Wholesale Trade 2,761 3.6% 2,117 3.6% 644 3.3% 126 3.0%
 Retail Trade 8,616 11.1% 7,231 12.5% 1,385 7.1% 320 7.7%
 Finance, Insurance, and Real Estate 1,603 2.1% 1,271 2.2% 332 1.7% 74 1.8%
 Services 43,261 55.8% 32,105 55.3% 11,156 57.2% 2,393 57.3%
 Total
77,494

58,007

19,487

4,179
Body Part
 Low Back 10,059 13.0% 7,645 13.2% 2,616 13.4% 605 14.5%
 Proximal Upper Extremity* 7,022 9.1% 5,150 8.9% 2,084 10.7% 313 7.5%
 Distal Upper Extremity** 23,240 30.0% 17,386 30.0% 5,628 28.9% 2,182 52.2%
 Proximal Lower Extremity*** 8,579 11.1% 6,344 10.9% 2,279 11.7% 433 10.4%
 Other 28,594 36.9% 21,482 37.0% 6,880 35.3% 646 15.5%
 Total
77,494

58,007

19,487

4,179
Chi Square (p values)
Gender
Age
Industry
Body Part
 First Claims / Second Claims Any Body Part 0.972 <0.001 <0.001 <0.001
 First Claims / Second Claims Same Body Part 0.003 <0.001 <0.001 <0.001

The number of claims overall [column 1] includes the number of first claims [column 2] and second claims: any body part [column 3]. Second claims: same body part [column 4] is a subset of second claims: any body part [column 3].

Chi-square analysis tests the relationship between characteristics (gender, age, industry, body part) and claims (first claims [column 2] and second claims: any body part [column 3]; and first claims [column 2] and second claims: same body part [column 4]).

*

Proximal Upper Extremity: Elbow, Shoulder, Upper Arm, Scapula/Clavicle

**

Finger(s), Hand, Lower Arm, Thumb, Wrist

***

Hip, Knee, Upper Leg