Matched family comparisons
| Unit measured (n) | % with IBS (Manning or Rome I) | OR (95% CI)* | Adjusted OR (95% CI)† | Adjusted OR (95% CI)‡ |
|---|---|---|---|---|
| *When comparing families, a hazard ratio is presented for the number of families with at least one member with irritable bowel syndrome (IBS), adjusted for the total number of family members. | ||||
| †Adjusted for sex and age. | ||||
| ‡Adjusted for sex, age, and somatic symptom checklist (somatisation) score. | ||||
| Individuals | ||||
| Patients (90) | 17 | 2.72 (1.19, 6.25) | 2.72 (1.18, 6.26) | 2.51 (0.94, 6.68) |
| Spouses (74) | 7 | |||
| Family | ||||
| Patients (30) | 40 | 3.36 (0.70, 16.02) | ||
| Spouses (30) | 17 | |||