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Table 1 General characteristics of patients with knee osteoarthritis across the DII tertiles

From: Dietary inflammatory index is associated with pain intensity and some components of quality of life in patients with knee osteoarthritis

Variable DII score p value*
DII Score Tertile 1
(< − 1.3)
(n = 73)
DII Score Tertile 2
(− 1.3 to 4.5)
(n = 73)
DII Score Tertile 3
(> 4.5)
(n = 74)
Age (years) 0.94* ± 57.85 1.17* ± 54.92 1.21* ± 57.91 0.091
BMI 3.48* ± 36.41 0.54* ± 29.65 0.69* ± 29.66 0.032
Sex
 Male 17 25.00 19 27.94 32 47.06 0.033
 Female 56 36.84 54 35.53 42 27.63
Education
 Illiterate 32 26.91 35 32.71 40 37.38 0.173
 Low literate and Diploma 31 43.66 22 30.99 18 25.35
 College 10 23.81 16 38.10 16 38.10
Occupation
 Unemployed 34 29.57 39 23.91 42 36.52 0.477
 Employed 23 32.86 25 35.71 22 31.43
 Retired 16 45.71 9 25.71 10 28.57
Physical activity
 Low 48 65.75 39 53.42 40 54.05 0.398
 Middle 20 27.39 21 28.76 18 24.32
 High 5 6.84 13 17.80 16 21.62
  1. Data are presented as mean ± SD or n (%)
  2. Chi square test was applied for categorical variables; Linear regression was applied for continuous variables
  3. BMI body mass index, DII dietary inflammatory index, yrs years
  4. *p-value < 0.005 were deemed significant