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Table 1 General characteristics of people participating in the study based on case and control groups

From: A pro-inflammatory diet is associated with an increased odds of periodontitis: finding from a case–control study

Characteristics

Mean ± Standard deviation or N (%)

P-value*

 

Case ( n = 87)

Control (n = 87)

 

- Age (year)

\(39.36\pm 12.05\)

\(44.60\pm 11.77\)

0.004

- Height (m)

\(1.68\pm 0.09\)

\(1.66\pm 0.10\)

\(0.172\)

- Weight (kg)

\(71.62\pm 11.79\)

\(74.97\pm 15.21\)

\(0.106\)

- BMI (kg/m2)

\(25.08\pm 3.60\)

\(26.77\pm 4.23\)

\(\bf 0.005\)

- DII (continuous)

\(-0.278\pm 0.75\)

\(-0.0939\pm 0.52\)

0.062

DII (tertiles)

0.539

 Third tertiles > 0.1

27 (32.1)

33 (37.9)

 

 Second tertiles -0.2 to 0.1

22 (25.2)

23 (26.4)

 

 First tertiles < -0.2

38 (43.6)

31 (35.6)

 

- Gender

0.999

 Female (%)

51 (58.6)

51 (58/6)

 

 Male (%)

36 (41.4)

36 (41.4)

 

- Menopause (yes)

13 (27.5)

19 (37.3)

0.290

- Smoking (yes)

3 (3.4)

11 (12.6)

0.026

- Diabetes (yes)

2 (2.3)

9 (10.3)

0.029

- Educational status

0.006

 Illiterate

0 (0.0)

2 (2.3)

 

 Diploma down

14 (16.1)

30 (34.5)

 

 Diploma & Diploma up

73 (83.9)

55 (63.2)

 
  1. *Independent sample t-test was used for comparing continuous variables, and a Chi-square test was used for categorical variables
  2. DII Dietary Inflammatory Index, BMI Body Mass Index
  3. Significant values are given in bold