Table 2.
SF-36 Physical and Mental Component Summary Scores for Primary Care Anxiety Project GAD Samples, General Population Samples, and Medical Outcomes Study Samplesa
| Sample | Physical Component Summary Score, Mean (SD) | Mental Component Summary Score, Mean (SD) |
| Primary Care Anxiety Project | ||
| GAD (n = 128) | 44.9 (12.6) | 35.2 (10.6) |
| GAD, no Axis I (n = 28) | 48.8 (9.8) | 39.3 (10.6) |
| GAD, no medical illnesses (n = 80) | 45.1 (12.0) | 35.1 (10.1) |
| GAD, no Axis I or medical illnesses (n = 20) | 46.2 (9.9) | 39.8 (8.6) |
| General population (n = 2,474)b | 50 (10.0) | 50 (10.0) |
| Medical Outcomes Studyc | ||
| Diabetes (n = 541) | 41.5 (11.3) | 51.9 (9.5) |
| Hypertension (n = 2,089) | 44.3 (10.8) | 52.2 (9.3) |
| Recent myocardial infarction (n = 107) | 42.6 (10.0) | 51.9 (8.2) |
| Congestive heart failure (n = 216) | 34.5 (12.1) | 50.4 (11.1) |
| Depression (n = 502) | 45.0 (12.1) | 34.8 (12.2) |
a
Potential scores range from 1 to 100, with higher scores indicating better functioning.
b
General population scores are from the 1990 National Survey of Functional Health Status.32
c
Comparison groups are samples of individuals with select major medical illnesses from the Medical Outcomes Study.31
Abbreviations: GAD = generalized anxiety disorder, SF-36 = Medical Outcomes Study 36-item Short-Form Health Survey.