Table 3.
SF-36v2 and SF-6D scores among respondents with IBS-D (diagnosed and undiagnosed) and controls
| Score, mean (SE) | IBS-D | Controls | p-value a |
|---|---|---|---|
| n = 1102 | n = 65,389 | ||
| SF-36v2 summary scores | |||
| MCS | 45.16 (0.29) | 49.48 (0.04) | <0.001 |
| PCS | 47.29 (0.25) | 50.67 (0.03) | <0.001 |
| SF-36v2 subscales | |||
| Bodily pain | 45.66 (0.28) | 50.20 (0.04) | <0.001 |
| General health | 45.88 (0.27) | 50.89 (0.04) | <0.001 |
| Mental health | 45.32 (0.30) | 49.40 (0.04) | <0.001 |
| Physical functioning | 47.76 (0.27) | 50.09 (0.04) | <0.001 |
| Role limitations due to emotional problems | 46.11 (0.30) | 49.47 (0.04) | <0.001 |
| Role limitations due to physical health | 47.01 (0.27) | 50.25 (0.03) | <0.001 |
| Social functioning | 45.35 (0.28) | 49.75 (0.04) | <0.001 |
| Vitality | 45.74 (0.28) | 50.65 (0.04) | <0.001 |
| SF-6D score | 0.667 (0.004) | 0.741 (0.000) | <0.001 |
aAnalyses adjusted for age, gender, ethnicity, income, education, body mass index, smoking status, alcohol use, exercise activity, and Charlson Comorbidity Index
Abbreviations: IBS-D irritable bowel syndrome with diarrhea, MCS Mental Component Summary, PCS Physical Component Summary, SE standard error, SF-36v2 Short Form 36 Health Survey version 2, SF-6D Short Form 6-dimension