Association between wrist pain and awkward postures among workers in 10 key industries

Guanlin LI; Xin SUN; Meibian ZHANG; Huadong ZHANG; Ruijie LING; Yimin LIU; Gang LI; Nengzhou CHEN; Zaoliang REN; Yan YIN; Hua SHAO; Hengdong ZHANG; Jiajie LI; Bing QIU; Dayu WANG; Qiang ZENG; Zhanhui LIANG; Rugang WANG; Jianchao CHEN; Danying ZHANG; Liangying MEI; Yongquan LIU; Jixiang LIU; Chengyun ZHANG; Tianlai LI; Ning JIA; Junyi WANG; Zhongxu WANG; Qingsong CHEN

Journal of Environmental and Occupational Medicine 2023;40(1):49-54

doi:10.11836/JEOM22298

Association between wrist pain and awkward postures among workers in 10 key industries

Guanlin LI ¹ ; Xin SUN ² ; Meibian ZHANG ² ; Huadong ZHANG ³ ; Ruijie LING ⁴ ; Yimin LIU ⁵ ; Gang LI ⁶ ; Nengzhou CHEN ¹ ; Zaoliang REN ⁷ ; Yan YIN ⁸ ; Hua SHAO ⁹ ; Hengdong ZHANG ¹⁰ ; Jiajie LI ¹ ; Bing QIU ¹¹ ; Dayu WANG ¹² ; Qiang ZENG ¹³ ; Zhanhui LIANG ¹ ; Rugang WANG ¹⁴ ; Jianchao CHEN ¹⁵ ; Danying ZHANG ¹⁶ ; Liangying MEI ¹⁷ ; Yongquan LIU ¹⁸ ; Jixiang LIU ¹⁹ ; Chengyun ZHANG ²⁰ ; Tianlai LI ²¹ ; Ning JIA ² ; Junyi WANG ¹ ; Zhongxu WANG ² ; Qingsong CHEN ¹

Affiliations

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1. School of Public Health/Guangdong Engineering Center for Testing and Evaluation of Public Health, Guangdong Pharmaceutical University, Guangdong, Guangzhou 510310, China.

2. National Institute of Occupational Health and Poisoning Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China.

3. Chongqing Centerfor Disease Control and Prevention, Chongqing 400042, China.

4. Xinhua Hospital of Hubei Province, Wuhan, Hubei 430024, China.

5. Guangzhou Occupational Disease Prevention and Treatment Center, Guangzhou, Guangdong 510620, China.

6. Health Service Center of Liaoning Province, Shenyang, Liaoning 110399, China.

7. Guizhou Occupational Disease Prevention and Treatment Center, Guiyang, Guizhou 610599, China.

8. Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China.

9. Shandong Institute of Occupational Health and Disease Prevention, Jinan, Shandong 255030, China.

10. Jiangsu Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, China.

11. Civil Aviation Medical Center, Civil Aviation Administration of China, Beijing 100010, China.

12. Tianjin Occupational Diseases Precaution and Therapeutic Hospital, Tianjin 300011, China.

13. Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.

14. Beijing Center for Disease Control and Prevention, Beijing 100013, China.

15. Fujian Occupational Disease and Chemical Poisoning Prevention and Control Center, Fuzhou, Fujian 350025, China.

16. Guangdong Occupational Disease Prevention and Treatment Center, Guangzhou, Guangdong 510300, China.

17. Hubei Center for Disease Control and Prevention, Wuhan, Hubei 430070, China.

18. Institute of Occupational Medicine of Jiangxi, Nanchang, Jiangxi 300006, China.

19. Ningxia Center for Disease Control and Prevention, Yinchuan, Ningxia 750003, China.

20. Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610044, China.

21. Shaanxi Provincial Center for Disease Control and Prevention, Xi’an, Shaanxi 710054, China.

Keywords

occupational population; wrist joint posture; wrist pain

Country

China

Language

Chinese

Abstract

Background Prolonged awkward postures during occupational activities can lead to excessive musculoskeletal load on the wrist of workers and symptoms such as wrist pain or discomfort. Objective To survey the prevalence of wrist pain among workers in 10 key industries and analyze its correlation with wrist working postures. Methods By using stratified cluster sampling method, workers from 10 key industries, such as footwear manufacturing industry, shipbuilding manufacturing industry, and automobile manufacturing industry, were selected from seven regions in North China, East China, Central China, South China, Southwest China, Northwest China, and Northeast China. The demographic information, wrist working postures, pain in wrist of the workers were collected through a cross-sectional survey. Pearson χ² test was used to compare prevalence by selected factors, trend χ² test for between group comparison, and unconditional logistic regression models for the association of wrist working postures with wrist pain. Results There were 64052 workers enrolled in this survey, and 56286 provided valid questionnaires (the effective rate was 87.8%). According to the survey, the prevalence of wrist pain was 23.3% (13112/56286), and the industries with higher prevalences were footwear manufacturing (27.1%, 1927/7106), automobile manufacturing (24.9%, 5378/21560), and shipbuilding and related equipment manufacturing (24.4%, 850/3488) industries. Finger pinching (OR=2.09, 95%CI: 1.95-2.24), frequent wrist bending (OR=2.03, 95%CI: 1.92-2.15), fixed wrist bending (OR=1.77, 95%CI: 1.69-1.85), wrist on hard edge (OR=1.34, 95%CI: 1.28-1.40), and arms over shoulders (OR=1.11, 95%CI: 1.05-1.17) increased the risk of reporting wrist pain. Conclusion Awkward postures are related to wrist pain among workers in selected 10 key industries. The related factors are wrist on hard edge, frequent wrist bending, finger pinching, fixed wrist bending, and arms over shoulders.

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