Research Article
A School-Based Study of Irritable Bowel Syndrome in Medical Students in Beijing, China: Prevalence and Some Related Factors
Table 2
Lifestyle and eating habits of medical students with or without IBS n (%).
| | | Total
() | IBS
() | Non-IBS
() | | value |
| | Smoking | | | | 0.130 | 0.790 | | No | 750 (97.9%) | 249 (97.6%) | 502 (98.0%) | | | | Yes | 17 (2.1%) | 6 (2.4%) | 10 (2.0%) | | | | Alcohol consumption | | | | 2.201 | 0.333 | | No | 721 (94.1%) | 244 (95.7%) | 478 (93.2%) | | | | Yes | 45 (5.9%) | 11 (4.3%) | 34 (6.7%) | | | | Exercise frequency | | | | 2.280 | 0.516 | | <1 time/week | 258 (33.7%) | 79 (31.0%) | 179 (35.0%) | | | | 1 or 2 times/week | 289 (37.7%) | 104 (40.8%) | 185 (36.2%) | | | | ≥3 times/week | 220 (28.6%) | 72 (28.2%) | 148 (28.8%) | | | | Coffee | | | | 2.504 | 0.475 | | Seldom | 713 (93.0%) | 236 (92.9%) | 476 (93.0%) | | | | Often | 54 (7.0%) | 19 (7.1%) | 36 (7.0%) | | | | Carbonated beverage | | | | 2.556 | 0.279 | | Seldom | 618 (80.7%) | 209 (82.0%) | 409 (80.0%) | | | | Often | 149 (19.3%) | 46 (18.0%) | 103 (20.0%) | | | | Eating fruits | | | | 1.072 | 0.585 | | Seldom | 184 (24.0%) | 58 (22.7%) | 126 (24.7%) | | | | 2–6 times/week | 409 (53.4%) | 134 (52.5%) | 275 (53.8%) | | | | Almost every day | 174 (22.6%) | 63 (24.7%) | 111 (21.5%) | | | | Pure milk drinking | | | | 0.206 | 0.902 | | Seldom | 429 (56.0%) | 143 (56.1%) | 286 (56.0%) | | | | 2–6 times/week | 266 (34.7%) | 90 (35.3%) | 176 (34.4%) | | | | Almost every day | 72 (9.3%) | 22 (8.6%) | 50 (9.6%) | | | | Acidophilus milk | | | | 1.751 | 0.417 | | Seldom | 354 (46.2%) | 113 (44.3%) | 241 (47.2%) | | | | 2–6 times/week | 371 (48.4%) | 131 (51.4%) | 240 (47.0%) | | | | Almost every day | 42 (5.4%) | 11 (4.3%) | 31 (5.8%) | | | | Spicy food | | | | 1.518 | 0.468 | | Seldom | 248 (32.4%) | 76 (29.8%) | 172 (33.7%) | | | | 2–6 times/week | 421 (55.0%) | 148 (58.0%) | 273 (53.4%) | | | | Almost every day | 98 (12.7%) | 31 (12.2%) | 67 (12.9%) | | | | Greasy food | | | | 2.661 | 0.447 | | Seldom | 299 (39.0%) | 96 (37.6%) | 203 (39.7%) | | | | 2–6 times/week | 366 (51.7%) | 132 (51.8%) | 264 (51.7%) | | | | Almost every day | 72 (9.3%) | 27 (10.6%) | 45 (8.6%) | | | | Meat (pig, cattle, or sheep) | | | | 1.688 | 0.430 | | Seldom | 132 (17.2%) | 39 (15.3%) | 93 (18.2%) | | | | 2–6 times/week | 459 (59.9%) | 152 (59.6%) | 307 (60.1%) | | | | Almost every day | 176 (22.9%) | 64 (25.1%) | 112 (21.7%) | | | | Fish | | | | 2.807 | 0.246 | | Seldom | 470 (61.4%) | 167 (65.5%) | 303 (59.3%) | | | | 2–6 times/week | 287 (37.5%) | 85 (33.3%) | 202 (39.5%) | | | | Almost every day | 10 (1.2%) | 3 (1.2%) | 7 (1.2%) | | | | Seafood diet | | | | 11.097 | 0.025 | | Seldom | 681 (88.9%) | 236 (92.5%) | 445 (87.1%) | | | | 2–6 times/week | 81 (10.6%) | 17 (6.7%) | 64 (12.5%) | | | | Almost every day | 5 (0.5%) | 2 (0.8%) | 2 (0.4%) | | | | Salty food | | | | 1.700 | 0.194 | | Not preferred | 381 (49.6%) | 118 (46.3%) | 263 (51.3%) | | | | Preferred | 386 (50.4%) | 137 (53.7%) | 249 (48.7%) | | | | The days of regular diet | | | | 3.295 | 0.348 | | 6-7 days/week | 427 (55.5%) | 134 (52.5%) | 291 (56.9%) | | | | 3–5 days/week | 298 (38.9%) | 106 (41.6%) | 192 (37.6%) | | | | ≤2 days/week | 42 (5.6%) | 15 (5.9%) | 28 (5.5%) | | |
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IBS: irritable bowel syndrome.
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