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Table 5 Crude and multivariable-adjusted odds ratio and 95% confidence interval for the psychosomatic complaints profiles across tertiles of the dietary inflammatory index, stratified by sex

From: The relationship between dietary inflammatory index and psychosomatic complaints profiles: results from SEPAHAN cross-sectional study

  Tertiles of dietary inflammatory index P trend1
1 2 3
Male (n) 319 383 452  
DII range −5.55, −2.62 −2.62, −1.52 −1.52, 2.62  
Psychological somatic complaints profile
 Crude 1 (Reference) 1.22 (0.88, 1.68) 1.46 (1.07, 1.98) 0.017
 Model 1 1 (Reference) 1.29 (0.90, 1.84) 1.50 (1.03, 2.18) 0.034
 Model 2 1 (Reference) 1.18 (0.80, 1.73) 1.41 (0.94, 2.11) 0.094
 Model 3 1 (Reference) 1.15 (0.78, 1.70) 1.43 (0.95, 2.15) 0.082
 Model 4 1 (Reference) 1.03 (0.67, 1.59) 1.16 (0.74, 1.81) 0.514
Gastrointestinal somatic complaints profile
 Crude 1 (Reference) 1.17 (0.83, 1.65) 1.37 (0.99, 1.90) 0.059
 Model 1 1 (Reference) 1.32 (0.91, 1.93) 1.58 (1.07, 2.35) 0.023
 Model 2 1 (Reference) 1.34 (0.89, 2.01) 1.61 (1.05, 2.47) 0.030
 Model 3 1 (Reference) 1.37 (0.91, 2.07) 1.70 (1.10, 2.63) 0.017
 Model 4 1 (Reference) 1.36 (0.88, 2.12) 1.51 (0.94, 2.41) 0.089
Neuro-skeletal somatic complaints profile
 Crude 1 (Reference) 1.04 (0.37, 2.91) 1.42 (0.52, 3.88) 0.481
 Model 1 1 (Reference) 1.52 (0.37, 6.15) 0.72 (0.11, 4.49) 0.919
 Model 2 1 (Reference) 1.41 (0.29, 6.99) 0.83 (0.10, 6.91) 0.959
 Model 3 1 (Reference) 1.35 (0.24, 7.73) 0.84 (0.09, 7.74) 0.953
 Model 4 1 (Reference) 7.03 (0.45, 110.1) 0.48 (0.03, 8.56) 0.902
Pharyngeal -respiratory somatic complaints profile
 Crude 1 (Reference) 1.29 (0.94, 1.77) 1.70 (1.25, 2.30) 0.001
 Model 1 1 (Reference) 1.28 (0.90, 1.83) 1.68 (1.17, 2.43) 0.005
 Model 2 1 (Reference) 1.28 (0.87, 1.88) 1.69 (1.13, 2.51) 0.009
 Model 3 1 (Reference) 1.26 (0.86, 1.86) 1.76 (1.18, 2.64) 0.005
 Model 4 1 (Reference) 1.19 (0.80, 1.79) 1.57 (1.03, 2.40) 0.033
Female (n) 620 557 487  
DII range −5.17, −2.61 −2.61, −1.52 −1.52, 4.61  
Psychological somatic complaints profile
 Crude 1 (Reference) 1.02 (0.81, 1.30) 1.73 (1.34, 2.23) < 0.0001
 Model 1 1 (Reference) 1.09 (0.85, 1.40) 1.87 (1.40, 2.51) < 0.0001
 Model 2 1 (Reference) 1.05 (0.80, 1.38) 1.82 (1.33, 2.49) < 0.0001
 Model 3 1 (Reference) 1.05 (0.80, 1.39) 1.79 (1.30, 2.46) 0.001
 Model 4 1 (Reference) 1.04 (0.77, 1.40) 1.65 (1.16, 2.34) 0.008
Gastrointestinal somatic complaints profile
 Crude 1 (Reference) 1.14 (0.88, 1.47) 1.27 (0.97, 1.66) 0.076
 Model 1 1 (Reference) 1.18 (0.90, 1.56) 1.47 (1.08, 2.02) 0.016
 Model 2 1 (Reference) 1.16 (0.87, 1.56) 1.37 (0.98, 1.90) 0.065
 Model 3 1 (Reference) 1.17 (0.87, 1.57) 1.38 (0.98, 1.93) 0.063
 Model 4 1 (Reference) 1.14 (0.83, 1.56) 1.26 (0.88, 1.80) 0.205
Neuro-skeletal complaints profile
 Crude 1 (Reference) 1.01 (0.79, 1.30) 1.39 (1.08, 1.79) 0.015
 Model 1 1 (Reference) 1.07 (0.82, 1.38) 1.61 (1.19, 2.17) 0.003
 Model 2 1 (Reference) 1.18 (0.89, 1.57) 1.66 (1.20, 2.30) 0.002
 Model 3 1 (Reference) 1.20 (0.90, 1.59) 1.69 (1.21, 2.36) 0.002
 Model 4 1 (Reference) 1.21 (0.89, 1.65) 1.58 (1.10, 2.25) 0.013
Pharyngeal -respiratory somatic complaints profile
 Crude 1 (Reference) 1.12 (0.88, 1.41) 1.05 (0.82, 1.34) 0.665
 Model 1 1 (Reference) 1.08 (0.84, 1.38) 1.10 (0.83, 1.46) 0.492
 Model 2 1 (Reference) 1.14 (0.88, 1.49) 1.14 (0.84, 1.54) 0.361
 Model 3 1 (Reference) 1.15 (0.87, 1.50) 1.18 (0.86, 1.60) 0.278
 Model 4 1 (Reference) 1.14 (0.87, 1.51) 1.09 (0.79, 1.49) 0.555
  1. 1From Mantel-Haenszel extension chi-square test. Tertile 1: low pro-inflammatory properties, tertile 2: medium pro-inflammatory properties and tertile 3: high pro-inflammatory properties
  2. Model 1: adjustment was made for age and energy (kcal/d). Model 2: additional adjustment was made for marital status, education, smoking, and physical activity. Model 3: adjusted for body mass index (BMI). Model 4: anti-psychotropic medicines, medical history, and stressful life events were additionally adjusted