Table 2.
Studies of major depression prevalence in general population
| Study | Assessment time | Sample | Method | Instrument | Measurement | Prevalence |
|---|---|---|---|---|---|---|
| Galea et al. (2002) | 5-8 weeks after S-11 |
Representative sample of Manhattan south of 110th street N = 998 adults |
Telephone interview | SCID's major depressive disorder (MDD) interview [30] Diagnostic interview based on the DSM-IV-TR criteria |
Current depression (last 30 days) | 9.7% [7.3% men; 12% women] ** |
| Person et al. (2006) | 6 months after S-11 |
Representative sample of the metropolitan area of New York N = 2700 |
Telephone interview | SCID's major depressive disorder (MDD) interview [30] Diagnostic interview based on the DSM-IV-TR criteria |
Depression since terrorist attacks Current depression (last 30 days) |
Since terrorist attacks: 9.4% [7.9% men; 10.7% women] * Current: 3.9% [3.6% men; 4.2% women] * |
| Nandi et al. (2005) | 4 months after S-11 |
Representative sample of New York N = 2001 |
Telephone interview | SCID's major depressive disorder (MDD) interview [30] Diagnostic interview based on the DSM-IV-TR criteria |
Depression since terrorist attacks | 9% † |
| Gabriel et al. (2007) | 5-12 weeks after the M-11 attacks | Sample of residents of Alcalá de Henares (Madrid) N = 485 |
Personal interview | Mini international neuropsychiatric interview (MINI), Spanish version [29] Diagnostic interview based on the DSM-IV criteria |
Current depression (last 15 days) | 8.5%† |
| Miguel-Tobal et al. (2006) | 1 month after the M-11 terrorist attacks in Madrid | Representative sample of Madrid N = 1589 |
Telephone interview | SCID's major depressive disorder (MDD) interview [30] Diagnostic interview based on the DSM-IV-TR criteria |
Current depression (past month) | 8% [5.1% men; 10.6% women] ** |
Note: "Current depression" refers to people who suffer from major depression at the time of the interview; "Depression since terrorist attacks" refers to those who have suffered major depression at any given time since terrorist attacks.
* Difference is not statistically significant
** Statistically significant difference
† Separate rates of depression in men and women not documented