| Category | Variable | IBS | Intermittent IBS | No IBS | Total |
| Water Intake |
|
|
|
|
|
|
| <0.5 liters/day | 19 | 44 | 69 | 132 |
|
| 0.5 - 1.00 liters | 29 | 85 | 133 | 247 |
|
| 1.00 - 2.00 liters | 41 | 105 | 190 | 336 |
|
| >2.00 liters | 18 | 70 | 97 | 185 |
|
| Total | 107 | 304 | 489 | 900 |
| Vegetables/Fruits |
|
|
|
|
|
|
| Yes | 3 | 7 | 15 | 25 |
|
| No | 107 | 307 | 490 | 904 |
|
| Total | 110 | 314 | 505 | 929 |
| Caffeine |
|
|
|
|
|
|
| Yes | 89 | 261 | 434 | 784 |
|
| No | 19 | 47 | 67 | 133 |
|
| Total | 108 | 308 | 501 | 917 |