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Table 4 Multivariable-adjusted odds ratios and 95% confidence intervals for chronic low back pain across categories of three dietary patterns

From: Major dietary patterns in relation to chronic low back pain; a cross-sectional study from RaNCD cohort

Major dietary pattern Categories Crude Model 1a Model 2b
Vegetarian dietary pattern T1 1 1 1
T2 0.95 (0.83–1.08) 0.96 (0.84–1.09) 0.94 (0.82–1.07)
T3 0.99 (0.87–1.13) 1.01 (0.89–1.16) 0.96 (0.84–1.11)
P- trend   0.965 0.798 0.633
High protein dietary pattern T1 1 1 1
T2 0.81 (0.71–0.93) 0.86 (0.75–0.98) 0.85 (0.75–0.98)
T3 0.79 (0.69–0.0.9) 0.88 (0.76–1.01) 0.84 (0.72–0.97)
P- trend   < 0.001 0.069 0.019
Energy dense diet T1 1 1 1
T2 1 (0.88–1.15) 1.1 (0.88–1.15) 1 (0.87–1.14)
T3 1.13 (0.99–1.29) 1.16 (1.01–1.33) 1.13 (1.01–1.32)
P- trend   0.055 0.026 0.05
  1. aModel 1 adjusted for age, sex, smoking, and drinking
  2. bModel 2 adjusted for variables in model 1, diabetes, physical activity, body mass index, WC, energy intake, treatment