Saf Health Work.  2014 Mar;5(1):13-16.

Do Psychological Factors Increase the Risk for Low Back Pain Among Nurses? A Comparing According to Cross-sectional and Prospective Analysis

  • 1Department of Occupational Health, Faculty of Health, Shahroud University of Medical Sciences, Shahroud, Iran.
  • 2Biostatistics Department, Social Welfare and Rehabilitation Sciences University, Tehran, Iran.
  • 3Department of Biostatistics and Epidemiology, Faculty of Health, Shahroud University of Medical Sciences, Shahroud, Iran.


This study assesses influences of baseline psychological risk factors on prevalence of low back pain (LBP) at baseline and follow-up among nurses.
A prospective longitudinal study was performed at two phases, baseline and 1-year follow-up among 246 nurses of university hospitals in Shahroud, Iran. A standardized Cultural and Psychosocial Influences on Disability questionnaire was used for data collection. Logistic regression was performed for analysis.
At the baseline of the study, 58.9% of nurses reported back pain in the previous 12 months. Age (p = 0.001), belief that work causes pain (p = 0.022), and somatization tendency (p = 0.002) significantly increased risk of LBP. At 1-year follow-up, prevalence of LBP was 45.7% and expectation of back pain at baseline (p = 0.016) significantly increased risk of LBP in this phase (p < 0.05).
Results indicate that risk factors for prevalence of back pain at baseline and 1-year follow-up are different. At baseline, the risk factors are age, belief that work causes pain, and somatization tendency, and at follow-up, expectation of pain is the major risk factor.


Keywords; longitudinal study; low back pain; nurse; psychological; risk factors
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