Independent predictors of significant impairment (multivariate logistic regression analysis)
| OR (95% CI) | p value | |
|---|---|---|
| Significant impairment is defined as impairment on at least two domains in daily life. | ||
| Patient characteristics | ||
| Presenting symptom | ||
| Abdominal pain | Reference category | 0.10 |
| Headache | 2.71 (0.84 to 8.72) | |
| Musculoskeletal pain | 3.40 (1.30 to 8.87) | 0.01 |
| Questionnaires | ||
| Role/Social Functioning (CHQ, range 0–100) | 0.98 (0.97 to 1.0) | 0.06 |
| General Health Perceptions (CHQ, range 0–100) | 0.98 (0.96 to 0.99) | 0.04 |
| VAS pain previous days (mean, SD) | 1.19 (1.02 to 1.39) | 0.02 |