Factors Influencing Musculoskeletal Disorder Symptoms in Hemodialysis Nurses in Tertiary Hospitals

Seung Mi Jang; Eun A Kim

doi:10.11111/jkana.2019.25.5.478

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

Original Article

J Korean Acad Nurs Adm 2019;25(5):478-488.

Published online: 17 January 2019

DOI: https://doi.org/10.11111/jkana.2019.25.5.478

Factors Influencing Musculoskeletal Disorder Symptoms in Hemodialysis Nurses in Tertiary Hospitals

Seung Mi Jang¹, Eun A Kim^2,

¹Department of Nursing, Chonnam National University Hospital

²Department of Nursing, Honam University

Corresponding author: Kim, Eun A, Department of Nursing, Honam University, 100 Honamdae-gil, Gwangsan-gu, Gwangju 62399, Korea. Tel: +82-62-940-5551, Fax: +82-62-940-5042, E-mail: umberto@honam.ac.kr

Received 26 July 2019 Revised 14 August 2019 Accepted 16 August 2019

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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.

Keywords: Fatigue, Hemodialysis, Musculoskeletal diseases, Nurses, Occupational stress

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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
Variables	Categories	n (%)	n (%)	n (%)	x²	p
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
Variables	Categories	n (%)	n (%)	n (%)	x²	p
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
Variables	M±SD	M±SD	M±SD	t	p
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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