Relationship Between Psychological Factors and Health‐Related Quality of Life in Patients with Chronic Low Back Pain

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Abstract
Low back pain has frequently been mentioned as the most common sort of chronic pain and numerous studies have confirmed its influence on Health Related Quality of Life (HRQoL). The aim of this study is to assess the relationship between age, pain intensity, pain catastrophizing, depression, anxiety, pain-related anxiety, chronic pain acceptance and psychological and physical dimensions of HRQoL in patients with chronic low back pain (CLBP). Data were collected from 201 patients with CLBP using sociodemografic data, the SF-36 Health Status Questionnaire (SF-36), the Hospital Anxiety and Depression Scale (HADS), the Pain Anxiety Symptoms Scale Short Form 20 (PASS-20), the Pain Catastrophizing Scale (PCS), the Chronic Pain Acceptance Questionnaire (CPAQ-8) and the Numeric Pain Rating Scale (NRS). The linear regression model for dependent variable Physical Health (SF-36 PhyH) was statistically significant (F(7,201) = 38.951, p <0.05), explained 57.6% of variance regarding Physical Health dimension of HRQL in patients with CLBP. The linear regression model for dependent variable Phychological Health (SF-36 PsyH) was statistically significant (F(7,200) = 39.049, p <0.05), explained 57.7% of variance regarding Psychological Health dimension of HRQL in patients with CLBP. The findings of this study confirm that age, pain intensity, depression, pain-related anxiety, and chronic pain acceptance are significant predictors of the physical dimension of HRQoL, while pain intensity, anxiety, and depression proved to be significant predictors of the psychological dimension of HRQoL in patients with CLBP.

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