Table 1. Characteristics of responders and non-responders to a 12 year follow up survey.
| Variable | Responders | Non responders | P value |
|---|---|---|---|
| Female n (%) | 126 (52.5) | 79 (56.8) | 0.41 |
| High School education or above n (%) | 142 (59.2) | 80 (57.5) | 0.70 |
| Australian born n (%) | 181 (75.4) | 98 (70.5) | 0.15 |
| Age Mean (std dev) | 45.1 (12.9) | 38.9 (15.3) | 0.0001 |
| Anxiety Mean (std dev) | 2.8 (2.9) | 3.7 (3.6) | 0.03 |
| Depression Mean (std dev) | 1.8 (2.7) | 2.4 (3.5) | 0.09 |
| Neuroticism Mean (std dev) | 4.0 (3.3) | 5.1 (3.4) | 0.002 |
| Extroversion Mean (Std dev) | 5.7 (3.0) | 6.1 (3.0) | 0.19 |
| Somatic distress Mean (std dev) | 43.1 (56.1) | 49.1 (50.7) | 0.002 |
| Mental Functioning Mean (std dev) | 46.6 (8.7) | 44.0 (9.7) | 0.007 |
| Physical Functioning Mean (std dev) | 50.8 (7.4) | 50.5 (8.0 ) | 0.78 |
| Functional Gastrointestinal Disorder Diagnosis n (%) | 96 (40.0) | 63 (45.3) | 0.31 |