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

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