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Table 3 Baseline characteristics of studied participants

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

Variables Total
(n = 7686)
Vegetarian dietary pattern P** High protein dietary pattern P** Energy dense diet P**
T1
(n = 2562)
T2
(n = 2562)
T3
(n = 2562)
T1
(n = 2562)
T2
(n = 2562)
T3
(n = 2562)
T1
(n = 2562)
T2
(n = 2562)
T3
(n = 2562)
Age (year) 47.28 ± 7.99a 47.56 ± 8.19 47.31 ± 8.04 46.98 ± 7.74 0.032 48.97 ± 8.11 47.04 ± 7.92 45.84 ± 7.63 < 0.001 47.45 ± 8.13 47.49 ± 7.98 46.91 ± 7.86 0.015
Weight (kg) 72.77 ± 13.69 70.24 ± 13.44 72.86 ± 13.6 75.23 ± 13.59 < 0.001 70.75 ± 13.44 72.16 ± 13.50 75.41 ± 13.72 < 0.001 72.33 ± 12.97 72.30 ± 13.47 73.69 ± 14.55 < 0.001
BMI (kg/m2) 27.28 ± 5.19 26.48 ± 4.51 27.33 ± 6.08 28.03 ± 4.72 < 0.001 27.66 ± 4.83 27.19 ± 6.10 26.98 ± 4.47 < 0.001 27.70 ± 6.01 27.13 ± 4.47 27 ± 4.94 < 0.001
WC (cm) 96.73 ± 10.67 95.42 ± 11.01 97.10 ± 10.37 97.66 ± 10.5 < 0.001 97.45 ± 11.16 96.46 ± 10.46 96.27 ± 10.35 < 0.001 97.44 ± 10.30 96.74 ± 10.21 96 ± 11.42 < 0.001
PA (MET hour/ day( 41.27 ± 8.38 41.46 ± 8.29 41.27 ± 8.49 41.06 ± 8.36 0.243 40.83 ± 7.46 40.99 ± 7.88 41.98 ± 9.60 < 0.001 39.36 ± 6.68 41.21 ± 8.12 43.23 ± 9.63 < 0.001
Sex, male, % 51.3 51.2 52.3 50.9 0.589 32.1 49.7 72.6 < 0.001 41 49.7 63.7 < 0.001
Drinking, % 6.6 6.7 6.9 6.3 0.689 2.3 5.7 12 < 0.001 4.5 5.7 9.8 < 0.001
Smoking, % 20.4 22.7 20.6 18.2 < 0.001 16.3 18.7 26.6 < 0.001 11.5 19.3 30.6 < 0.001
Diabetes, % 6.5 4.8 6.6 8.2 < 0.001 8.7 5.7 5.3 < 0.001 9.3 6.2 4.1 < 0.001
Chronic LBP, % 22.5 22.9 22.1 22.9 0.709 25.3 21.6 21.1 < 0.001 21.8 22 24.1 0.101
  1. BMI Body mass index, WC Waist circumference, PA Physical activity, LBP low back pain
  2. aMean ± SD **P-values were obtained ANOVA and Chi square test