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This study aimed to examine the effectiveness of the 12-week ergonomic intervention developed by Person-Environment-Occupation (PEO) model in improving musculoskeletal discomfort and muscle strength for hemodialysis nurses. The maintenance effects of the intervention were also evaluated after another 12-week follow-up.
Methods A cluster experimental design was used to conduct this study. Participants were recruited from hemodialysis units at two medical centers in Taiwan and had complaints of work-related musculoskeletal disorders (WMSDs) within the past six months. By PEO model, the 12-week intervention including ergonomic education and exercise program was designed based on the job contents of hemodialysis nurses. In the study period, we used a mobile massager app to reminder them and monitor their implementation of exercises. The outcome indicators were measured before and after intervention as well as the follow-up after another 12 weeks. A generalized estimating equations model was adopted to analyze the repeated measurements.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Ergonomic training group | Experimental | The ergonomic training group received a 12-week ergonomic training program. |
|
| No training group | No Intervention | The no training group did not receive any training program. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ergonomic training | Other | ergonomic education & exercise training |
|
| Measure | Description | Time Frame |
|---|---|---|
| severity degree of muscular discomfort | self reported by Nordic Musculoskeletal Questionnaire (0-5 points; the higher score indicates the more discomfort) | week 0 |
| muscle strength | grip and pinch power; the muscle strength of neck extension, shoulder flexion/extension, and wrist flexion/extension of the dominant (maximal force of the muscles movement against in kilograms, the higher the stronger) | week 0 |
| severity degree of muscular discomfort | self reported by Nordic Musculoskeletal Questionnaire (0-5 points; the higher score indicates the more discomfort) | week 12 |
| muscle strength | grip and pinch power; the muscle strength of neck extension, shoulder flexion/extension, and wrist flexion/extension of the dominant (maximal force of the muscles movement against in kilograms, the higher the stronger) | week 12 |
| severity degree of muscular discomfort | self reported by Nordic Musculoskeletal Questionnaire (0-5 points; the higher score indicates the more discomfort) | week 24 |
| muscle strength | grip and pinch power; the muscle strength of neck extension, shoulder flexion/extension, and wrist flexion/extension of the dominant (maximal force of the muscles movement against in kilogram, the higher the stronger) | week 24 |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective quality of life | World Health Organization Quality of Life, Brief edition, Taiwan version (1-5, higher score for higher quality of life) | week 0 |
| Subjective quality of life | World Health Organization Quality of Life, Brief edition, Taiwan version (1-5, higher score for higher quality of life) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| JER-HAO CHANG, PH.D. | National Cheng Kung University, College of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Cheng Kung University | Tainan | 701 | Taiwan |
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| ID | Term |
|---|---|
| D009140 | Musculoskeletal Diseases |
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| week 24 |