Demographic characteristics of baseline functional gastrointestinal disorder (FGID) cases (n=376) and controls (no FGID) (n=626)
| Demographic characteristics | Baseline controls (n=626) | Baseline FGID cases (n=376) | p Value |
| Mean age, years (SD) | 45 (13) | 45 (13) | 0.3* |
| Women, n (%) | 302 (48.8) | 209 (55.9) | 0.03 |
| Completed high school, n (%) | 377 (60.4) | 208 (55.5) | 0.1 |
| Australian born, n (%) | 472 (76.6) | 285 (76.6) | >0.9 |
| Psychological distress | |||
| Anxiety, mean (SD) | 1.93 (2.33) | 2.66 (2.65) | 0.0002 |
| Depression, mean (SD) | 1.07 (2.17) | 1.37 (2.16) | 0.0227 |
↵* Kruskal–Wallis test; all other p values are from Pearson's χ2 test.