Relationship between Psychosocial Risk Factors and Work-Related Musculoskeletal Disorders among Public Hospital Nurses in Malaysia

Table 4 Job Strain Model psychosocial risk factors of WRMSDs according to body regions in public hospital nurses

Body region	Job Strain Model risk factors^a[OR (95% Cl)]
Body region	Psychological job demand	Decision latitude	Co-worker support	Supervisor support	Social support
Region 1^b
Crude	1.30 (0.86-1.96)	0.91 (0.60-1.38)	2.14 (1.01-4.53)*	1.76 (1.06-2.92)*	1.69 (1.05-2.74)*
Adjusted ^f	0.98 (0.91-1.06)	1.00 (0.91-1.08)	1.01 (0.86-1.19)	1.00 (0.93-1.08)	1.02 (0.93-1.11)
Region 2^c
Crude	1.00 (0.58-1.46)	1.19 (0.75-1.91)	1.28 (0.62-2.63)	1.28 (0.62-2.63)	1.44 (0.87-2.38)
Adjusted ^f	1.11 (1.02-1.21)*	1.12 (1.02-1.22)*	1.19 (1.01-1.41)*	1.07 (0.99-1.15)	1.10 (1.01-1.21)*
Region 3^d
Crude	1.52 (0.99-2.32)*	1.03 (0.67-1.58)	1.47 (0.75-2.88)	1.47 (0.75-2.88)	1.36 (0.85-2.17)
Adjusted ^f	1.02 (0.94-1.10)	1.06 (0.97-1.15)	1.03 (0.55-1.95)*	1.09 (1.01-1.18)*	1.06 (0.97-1.16)
Region 4^e
Crude	1.14 (0.76-1.71)	1.52 (1.01-2.29)*	1.11 (0.57-2.15)	1.11 (0.57-2.15)	1.17 (0.74-1.85)
Adjusted ^f	1.00 (0.92-1.08)	1.03 (0.95-1.12)	0.95 (0.83-1.09)	1.06 (0.99-1.14)	1.05 (0.96-1.15)
Any region
Crude	1.42 (0.90-2.25)	1.00 (0.63-1.58)	1.77 (0.75-4.15)	1.58 (0.88-2.81)	1.45 (0.84-2.48)
Adjusted ^f	0.99 (0.91-1.08)	1.03 (0.93-1.13)	0.99 (0.83-1.18)	1.05 (0.95-1.15)	1.05 (0.95-1.17)

Note: ^aJob Strain Model risk factors for WRMSDs using multiple logistic regression and expressed as Odds Ratio (OR) with 95% Confidence Interval (95% CI).
*p < 0.05 indicate statistically significance differences.
^bRegion 1 (neck, shoulders, and upper back), ^cRegion 2 (arms, wrists), ^dRegion 3 (lower back), ^eRegion 4 (hips, knees, ankles, and feet) ^fAdjusted for age, BMI, weekly working hours, and years of employment.

ISSN: 2052-4374