Eight months follow up of patients who were not depressed at baseline showing changes in hospital anxiety and depression scale score and health status associated with the development of major depressive disorder (data from follow up sample, n = 26)
| New major depressive disorder at follow up (n=20) | Remains not depressed at follow up (n=118) | Difference in means | 95% CI | |
|---|---|---|---|---|
| CI, confidence interval; HAD, hospital anxiety and depression scale; SF-36, SF-36, short form 36 item health status scale. | ||||
| Mean change in HAD score | −7.3 | 1.4 | 8.7 | 6.1 to 11.4 |
| Mean change in SF-36 score | ||||
| Physical function | −14.3 | 0.6 | 15.0 | 7.0 to 22.9 |
| Physical role function | −20.0 | 3.1 | 23.1 | 3.7 to 42.4 |
| Bodily pain | −3.9 | 4.9 | 8.9 | −3.7 to 21.4 |
| Social function | −19.2 | 1.0 | 20.1 | 6.0 to 34.3 |