Journal List > J Korean Acad Nurs Adm > v.25(5) > 1140357

Jang and Kim: Factors Influencing Musculoskeletal Disorder Symptoms in Hemodialysis Nurses in Tertiary Hospitals

Abstract

Purpose:

This study was done to verify relationships among occupational stress, labor intensity, fatigue and musculoskeletal disorder symptoms, and especially to identify factors influencing musculoskeletal disorder symptoms among hemodialysis nurses in tertiary hospitals.

Methods:

A cross-sectional design was used, with a convenience sample of 125 hemodialysis nurses from 13 tertiary hospitals. Data were collected through self-evaluation questionnaires during July and August, 2018. Data were analyzed using t-test, x2 test, factor analysis and binary logistic regression analysis with SPSS/WIN 25.0 program.

Results:

Of the hemodialysis nurses 96(76.8%) were in the musculoskeletal symptomatic group and 29(23.2%) in asymptomatic group. Occupational stress(p<.001), labor intensity(p<.001), and fatigue (p=.011) were higher in the symptomatic group compared to the asymptomatic group. Logistic regression analysis showed that occupational stress(OR=1.13, 95% CI: 1.03~1.25), labor intensity(OR=5.60, 95% CI: 1.25~24.97), no leisure life or hobbies(OR=4.67, 95% CI: 1.48~14.80), hemodialysis unit career 2~4 year (OR=4.58, 95% CI: 1.04~ 20.78), and hemodialysis unit career 8+ year(OR=14.10, 95% CI: 2.53~78.64) were effect factors for the musculoskeletal symptomatic group.

Conclusion:

For effective improvement of musculoskeletal disorder symptoms in hemodialysis nurses, multidimensional intervention programs are needed. Programs should include occupational stress, labor intensity and strategies to reduce symptoms.

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Table 1.
Comparison of General Characteristics between Musculoskeletal Symptomatic Group and Asymptomatic Group (N=125)
Variables Categories Total (N=125) Asymptomatic (n=29) Symptomatic (n=96) x2 p
n (%) n (%) n (%)
Musculoskeletal symptom 29 (23.2) 96 (76.8)
Age (year) <30 26 (20.8) 10 (34.5) 16 (16.7) 4.29 .117
30~39 52 (41.6) 10 (34.5) 42 (43.8)
≥40 47 (37.6) 9 (31.0) 38 (39.5)
Marital status Not-married 47 (37.6) 15 (51.7) 32 (33.3) 3.21 .073
Married 78 (62.4) 14 (48.3) 64 (66.7)
Number of children No 51 (40.8) 15 (51.7) 36 (37.5) - .518*
1 11 (8.8) 1 (3.4) 10 (10.4)
2 48 (38.4) 10 (34.5) 38 (39.6)
3~4 15 (12.0) 3 (10.4) 12 (12.5)
Leisure life and hobbies Yes 52 (41.6) 17 (58.6) 35 (36.5) 4.50 .034
No 73 (58.4) 12 (41.4) 61 (63.5)
Housework time per day (hour) Almost never 192 (85.0) 3 (10.4) 14 (14.6) - .054
<1 34 (15.0) 12 (41.4) 23 (24.0)
1~2 207 (91.6) 13 (44.8) 38 (38.5)
≥3 19 (8.4) 1 (3.4) 21 (21.9)

*Fisher exact test.

Table 2.
Comparison of Job-related Characteristics between Musculoskeletal Symptomatic Group and Asymptomatic Group (N=125)
Variables Categories Total (N=125) Asymptomatic (n=29) Symptomatic (n=96) x2 p
n (%) n (%) n (%)
Position Staff nurses 102 (81.6) 24 (82.8) 78 (81.2) 0.03 .854
Charge nurse 23 (18.4) 5 (17.2) 18 (18.8)
Total career (month) 12~59 22 (17.6) 10 (34.5) 12 (12.5) 7.52 .111
60~119 21 (16.8) 4 (13.8) 17 (17.7)
120~179 19 (15.2) 3 (10.3) 16 (16.7)
180~239 31 (24.8) 6 (20.7) 25 (26.0)
≥240 32 (25.6) 6 (20.7) 26 (27.1)
Career as hemodialysis unit (month) 12~23 22 (17.6) 10 (34.5) 12 (12.5) 8.27 .041
24~59 34 (27.2) 8 (27.6) 26 (27.1)
60~95 34 (27.2) 6 (20.7) 28 (29.2)
≥96 35 (28.0) 5 (17.2) 30 (31.2)
Number of patients per nurse ≤7 61 (48.8) 16 (55.2) 45 (46.9) 1.24 .538
8~9 54 (43.2) 10 (34.5) 44 (45.8)
≥10 10 (8.0) 3 (10.3) 7 (7.3)
Subjective physical burden Tolerable 51 (40.8) 19 (65.5) 32 (33.3) 9.99 .007
Little hard 51 (40.8) 8 (27.6) 43 (44.8)
Very hard 23 (18.4) 2 (6.9) 21 (21.9)
Table 3.
Occupational Stress, Labor Intensity and Fatigue according to Musculoskeletal Symptomatic Group and Asymptomatic Group (N=125)
Variables Total (N=125) Asymptomatic (n=29) Symptomatic (n=96) t p
M±SD M±SD M±SD
Occupational stress 46.08±7.67 41.11±7.65 47.58±7.05 -4.25 <.001
Labor intensity 2.92±0.48 2.63±0.33 3.01±0.48 -3.98 <.001
Fatigue 3.04±0.61 2.72±0.59 3.14±0.59 -3.31 .001
Table 4.
Effect Factors for Musculoskeletal Symptoms in Hemodialysis Nurses (N=125)
Variables Categories B SE p OR 95% CI
Occupational stress 0.13 0.05 .011 1.13 1.03~1.25
Labor intensity 1.72 0.76 .024 5.60 1.25~24.97
Fatigue 0.49 0.59 .403 1.63 0.52~5.13
Subjective physical burden Tolerable (reference)
Little hard 1.17 0.65 .073 3.21 0.90~11.52
Very hard 0.34 0.96 .720 1.41 0.22~9.20
Leisure life and hobbies Yes (reference)
No 1.54 0.59 .009 4.67 1.48~14.80
Career as hemodialysis unit (year) <2 (reference)
2~4 1.52 0.76 .044 4.58 1.04~20.78
5~7 1.23 0.77 .108 3.43 0.76~15.42
≥8 2.65 0.88 .003 14.10 2.53~78.64

SE=standard error; OR=odds ratio; CI=confidence interval.

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