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| Comparing the effects of multimedia and face-to-face pain management education on pain intensity and pain catastrophizing among patients with chronic low back pain: a randomized clinical trial |
| Shaygan M, Jaberi A, Firozian R, Yazdani Z |
| PLoS ONE 2022 Jun;17(6):e0269785 |
| clinical trial |
| 7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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INTRODUCTION: Previous studies into Low Back Pain (LBP) assessed the effects of physical interventions or face-to-face (FTF) education mostly in western cultures. The present study aimed to compare the effects of multimedia and FTF pain management education (PME) on pain intensity and pain catastrophizing among participants with chronic LBP. METHODS: This double-blind randomized controlled clinical trial was conducted on ninety participants with chronic LBP randomly allocated to either multimedia, FTF, or control groups. Participants in the multimedia group received PME through watching seven educational CDs at home and their counterparts in the FTF group received the same educations in seven weekly FTF educational sessions. Pain intensity (using a numerical rating scale) and pain catastrophizing (using the Pain Catastrophizing Scale) were assessed before, immediately after, and one month after the study intervention. The effects of the interventions were assessed using the repeated-measures multivariate analysis of variance (MANOVA). Effect size and minimal detectable change (MDC) were reported for both variables. The regression model used in the present study was Generalized Estimating Equations (GEE). FINDINGS: The findings of MANOVA showed the significant effects of time on pain intensity and pain catastrophizing (p < 0.001). The Tukey's test showed that before and immediately after the intervention, the mean scores of pain intensity and pain catastrophizing in the FTF and PME groups were significantly different from the control group (p < 0.001 and p = 0.001, respectively). MDC did not show clinically significant changes in the mean score of pain intensity and GEE revealed significant difference among the groups. CONCLUSION: The findings suggested that multimedia PME is as effective as FTF education in reducing pain intensity and pain catastrophizing among participants with LBP. Future studies into the effects of education on LBP are recommended to consider longitudinal designs, a reliable cutoff score for pain catastrophizing, and participants' physical ability. IRCT REGISTRATION CODE: IRCT20180313039074N1.
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