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Table 3 Depression severity in cases with 12-month MDD 1997–19991 vs. 2009–20122

From: Time trends in depression prevalence and health-related correlates: results from population-based surveys in Germany 1997–1999 vs. 2009–2012

  Men Women
1997–1999
(n = 110)
2009–2012
(n = 71)
p-value3 1997–1999
(n = 238)
2009–2012
(n = 159)
p-value3
Depression severity, % (95%-CI)
 Mild (5/9 symptoms) 31.7 (22.3–42.9) 27.1 (16.2–41.7) 0.574 24.1 (18.3–30.9) 13.8 (8.0–22.7) 0.045
 Moderate (6 + 7/9 symptoms) 45.0 (35.2–55.1) 43.0 (31.0–55.9) 0.803 41.5 (34.2–49.2) 47.2 (37.0–57.7) 0.329
 Severe (8 + 9/9 symptoms) 23.3 (15.8–33.1) 29.9 (19.0–43.7) 0.373 34.5 (27.2–42.6) 39.0 (28.2–51.1) 0.466
  1. 1German National Health Interview and Examination Survey 1998, mental health supplement (GHS-MHS, 1997–1999): weighted for population structure as of 12/31/1997; age range: 18–65
  2. 2German Health Interview and Examination Survey for Adults, mental health module (DEGS1-MH, 2009–2012): weighted for population structure as of 12/31/2010; age range: 18–65
  3. 3p-value based on Rao-Scott chi-square test. Bold type indicates significant differences between 1997–1999 and 2009–2012 (local significance level α = 0.05)