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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