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Background Chronic low back pain (LBP) is the most common musculoskeletal pain that affects a person's daily activities. This present study aimed at evaluating the relationship between major dietary pattern and Chronic LBP. Methods This cross- sectional study was applied using data from Ravansar non- communicable diseases (RaNCD) cohort study. Chronic LBP was diagnosed by the RaNCD cohort study physician. Dietary patterns were evaluated by principal component analysis. The three identified dietary patterns included: 1) vegetarian dietary pattern which included vegetables, whole grain, legumes, nuts, olive, vegetable oil, fruits, and fruit juice; 2) high protein diet related to higher adherence to red and white meat, legumes, nuts, and egg; and 3) unhealthy dietary pattern characterized with higher intake of salt, sweet, dessert, hydrogenated fat, soft drink, refined grain, tea, and coffee. Results 22.5% of participants had chronic LBP Higher following high protein dietary pattern was associated with lower risk of chronic LBP in crude (OR: 0.79, 95% CI: 0.69–0.9) and adjusted model (for age, sex, smoking, drinking, diabetes, physical activity, and body mass index) (OR: 0.84, 95% CI: 0.72–0.97). In addition, after controlling for the mentioned potential confounders, participants in the highest category of unhealthy dietary pattern were higher at risk of chronic LBP compared with those in the lowest category (OR: 1.13, 95% CI: 1.01–1.32). Conclusions Higher adherence to high protein diet significantly the decreased risk of chronic LBP prevalence. In addition, we found that following unhealthy dietary pattern was associated with higher risk of chronic LBP. |
