TABLE 1.
Participant characteristics
| All patients n = 103 | Intervention n = 78 | Control n = 25 | p | |
|---|---|---|---|---|
| Age, years | 46 (33–57) | 48 (37–57) | 35 (29–50) | 0.028 |
| BMI, kg/m2 | 24.2 (22.3–27.6) | 24.6 (22.3–28.4) | 23.6 (21.4–26.5) | 0.180 |
| Missing value: 6 | ||||
| Weight, kg | 71 (63–82) | 72 (64–84) | 68 (57–75) | 0.037 |
| Missing value: 6 | ||||
| Female sex, n (%) | 81 (78.6) | 59 (75.6) | 22 (88.0) | 0.265 |
| Smoker, n (%) | 11 (11.0) | 5 (6.6) | 6 (24.0) | 0.033 |
| Missing value: 3 | ||||
| Disease duration, years | 17 (8.8–28) | 18 (8.0–28) | 11 (9.0–29) | 0.561 |
| Missing value: 17 | ||||
| Employment, n (%) | 0.049 | |||
| Missing value: 2 | ||||
| 100% | 51 (50.5) | 43 (56.6) | 8 (32.0) | |
| ≥50% | 64 (63.4) | 52 (68.4) | 12 (48.0) | |
| Subgroup, n (%) | 0.227 | |||
| Missing value: 2 | ||||
| IBS‐D | 26 (25.2) | 23 (29.5) | 3 (12.0) | |
| IBS‐M | 37 (35.9) | 29 (37.2) | 8 (32.0) | |
| IBS‐C | 19 (18.4) | 12 (15.4) | 7 (28.0) | |
| Unspecified IBS | 3 (2.9) | 2 (2.6) | 1 (4.0) | |
| Non‐IBS FGID | 16 (15.6) | 10 (12.8) | 6 (24.0) | |
| Physical activity, n (%) | 0.863 | |||
| Missing value: 2 | ||||
| None | 11 (10.9) | 9 (11.8) | 2 (8.0) | |
| <30 min/week | 24 (23.8) | 19 (25.0) | 5 (20.0) | |
| 30–60 min/week | 15 (14.6) | 11 (14.5) | 4 (16.0) | |
| 60–120 min/week | 25 (24.8) | 19 (25.0) | 6 (24.0) | |
| >120 min/week | 26 (25.7) | 18 (23.7) | 8 (32.0) | |
| Antibiotic use, n (%) | ||||
| 0–6 months before study | 15 (14.9) | 11 (14.5) | 4 (16.0) | 1.0 |
| Missing value: 2 | ||||
| During study | 4 (4.3) | 3 (4.2) | 1 (4.8) | 0.925 |
| Missing value: 10 |
Abbreviations: BMI, body mass index; FGID, functional gastrointestinal disorders; IBS, irritable bowel syndrome; IBS‐D, diarrhea‐predominant irritable bowel syndrome; IBS‐M, mixed IBS; IBS‐C, constipation‐predominant IBS.
Note: Values are presented as median and interquartile ranges (IQR) or number and percentage. Mann–Whitney U test or Fisher's exact test. p < 0.05 was considered statistically significant.