Table 1.
Characteristics of medical students with or without IBS n (%).
| Total (n = 767) |
IBS (n = 255) |
Non-IBS (n = 512) |
χ 2/t | P value | |
|---|---|---|---|---|---|
| Sex | 8.151 | 0.005 | |||
| Male | 196 (25.6%) | 49 (19.2%) | 147 (28.8%) | ||
| Female | 571 (74.4%) | 206 (80.8%) | 365 (71.2%) | ||
| Age (yr) | 23.26 ± 2.88 | 22.95 ± 2.87 | 23.45 ± 2.87 | −2.267 | 0.024 |
| Height (m) | 1.64 ± 0.07 | 1.64 ± 0.07 | 1.65 ± 0.07 | −2.975 | 0.005 |
| Weight (kg) | 56.62 ± 11.07 | 56.16 ± 11.57 | 56.85 ± 10.82 | −0.816 | 0.459 |
| BMI (kg/m2) | 20.76 ± 2.90 | 20.89 ± 3.32 | 20.69 ± 2.68 | 0.862 | 0.389 |
| Nationality | 0.086 | 0.881 | |||
| Han | 713 (93.0%) | 238 (93.3%) | 475 (92.8%) | ||
| Minority | 54 (7.0%) | 17 (6.7%) | 37 (7.2%) | ||
| Grade | 1.617 | 0.220 | |||
| Low | 251 (32.6%) | 91 (35.7%) | 160 (31.1%) | ||
| High | 516 (67.4%) | 164 (64.3%) | 352 (68.9%) |
IBS: irritable bowel syndrome.