Table 1 Distribution of 155 irritable bowel syndrome cases and 310 controls according to selected variables
Variables | Mean ± SD or N (%) | ||
|---|---|---|---|
Cases (n = 155) | Controls (n = 310) | P-value | |
Age (years) | 39.23 ± 12.18 | 39.23 ± 12.18 | 1.00 |
Body mass index (BMI, kg/m2) | 25.27 ± 3.72 | 25.08 ± 3.48 | 0.945 |
Waist circumference (WC,cm) | 94.15 ± 12.20 | 92.35 ± 11.47 | 0.119 |
Total energy (Kcal) | 2231.83 ± 381.51 | 2321.79 ± 437.27 | 0.023 |
Dietary inflammatory index (DII) | 0.78 ± 2.22 | -0.39 ± 2.27 | < 0.001 |
Sex a | |||
Females | 88 (57%) | 176 (57%) | 1.00 |
Males | 67 (43%) | 134 (43%) | |
Education a | |||
Unlettered | 7 (5%) | 9 (3%) | 0.392 |
Diploma | 27 (17%) | 46 (14%) | |
Under diploma | 33 (21%) | 86 (28%) | |
Above diploma | 88 (57%) | 169 (55%) | |
Occupation a | |||
Freelance | 59 (38%) | 167 (54%) | 0.006 |
Employee | 48 (31%) | 61 (20%) | |
Unemployed | 5 (3%) | 13 (4%) | |
Housewife | 43 (28%) | 69 (22%) | |
Smoking a | |||
Yes | 15 (10%) | 19 (6%) | 0.187 |
No | 140 (90%) | 291 (94%) | |
Passive smoking a | |||
Yes | 35 (23%) | 44 (14%) | 0.026 |
No | 120 (77%) | 266 (86%) | |
Anxiety level a | |||
Mild | 82 (53%) | 277 (89%) | < 0.001 |
Moderate | 33 (21%) | 21 (7%) | |
Severe | 40 (26%) | 12 (4%) | |
Depression level a | |||
Mild | 89 (57%) | 277 (89%) | < 0.001 |
Moderate | 26 (17%) | 19 (6%) | |
Severe | 40 (26%) | 14 (5%) | |
Physical activity a | |||
Low activity | 92 (59%) | 122 (39%) | < 0.001 |
Moderate activity | 43 (28%) | 159 (51%) | |
Severe activity | 20 (13%) | 29 (10%) | |