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Table 2 Studies of major depression prevalence in general population

From: Major depressive disorder following terrorist attacks: A systematic review of prevalence, course and correlates

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] **

  1. 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.
  2. * Difference is not statistically significant
  3. ** Statistically significant difference
  4. † Separate rates of depression in men and women not documented