Table 3 Participant characteristics by level of the dietary antioxidant index (DIA) among controls, Iranian Gastric Cancer case–control studya, b (n = 95)
Characteristics | Mean ± SD or N (%) | p value | |
|---|---|---|---|
DAI ≤ 0.41 (n = 48) | DAI > 0.41 (n = 47) | ||
Age (years) | 48.31 ± 11.52 | 48.36 ± 10.01 | 0.98 |
Sex | 0.91 | ||
Female | 26 (54.16) | 26 (55.31) | |
Male | 22 (45.83) | 21 (44.69) | |
Body Mass Index (kg/m2) | 25.36 ± 2.73 | 24.55 ± 2.65 | 0.14 |
Family history of cancer | 0.72 | ||
Yes | 5 (10.41) | 6 (12.76) | |
No | 43 (89.58) | 41 (87.23) | |
Education | 0.33 | ||
Less than a high school and diploma | 36 (75) | 31 (65.95) | |
Higher than diploma | 12 (25) | 16 (34.04) | |
Smoking | 0.81 | ||
Yes | 8 (16.66) | 7 (14.89) | |
No | 40 (83.33) | 40 (85.10) | |
Alcohol | 0.27 | ||
No | 45 (93.75) | 41 (87.23) | |
Yes | 3 (6.25) | 6 (12.76) | |
Regular Physical Activity | 0.60 | ||
Yes | 14 (29.16) | 16 (34.04) | |
No | 34 (70.83) | 31 (65.95) | |
H. pylori infection | 0.47 | ||
Yes | 23 (47.91) | 26 (55.31) | |
No | 25 (52.08) | 21 (44.68) | |
Aspirin/NSAID use | 0.70 | ||
No | 44 (91.66) | 42 (89.36) | |
Yes | 4 (8.33) | 5 (10.63) | |