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Table 3 Prevalence of PHQ-9 depression symptoms and mean/median PHQ-9 score among participants with PHQ-MDS1and CIDI-MDS2

From: Current major depressive syndrome measured with the Patient Health Questionnaire-9 (PHQ-9) and the Composite International Diagnostic Interview (CIDI): results from a cross-sectional population-based study of adults in Germany

 

PHQ-MDS % (95% CI) n = 86

CIDI-MDS % (95% CI) n = 130

PHQ-9 depression symptoms present more than half of the days

  

Little interest or pleasure in doing things

68.7 (54.1-80.3)

38.6 (28.5-49.8)

Feeling down, depressed, or hopeless

77.1 (63.0-87.0)

42.5 (31.6-54.3)

Trouble falling or staying asleep, or sleeping too much

83.5 (71.4-91.1)

60.9 (49.6-71.1)

Feeling tired or having little energy

97.7 (89.9-99.5)

68.8 (57.5-78.3)

Poor appetite or overeating

72.8 (60.7-82.2)

41.9 (31.3-53.2)

Feeling bad about yourself or that you are a failure or have let yourself or your family down

72.1 (59.6-81.9)

39.4 (29.1-50.8)

Trouble concentrating on things, such as reading the newspaper or watching television

52.2 (39.3-64.8)

34.5 (24.2-46.5)

Moving or speaking so slowly that other people could have noticed, or the opposite — being so fidgety or restless that you have been moving around a lot more than usual

17.7 (10.5-28.3)

8.3 (4.3-15.3)

Thoughts that you would be better off dead or of hurting yourself in some way3

61.0 (46.8-73.6)

41.9 (32.1-52.5)

Mean PHQ-9 score

15.9 (14.9-17.0)

11.7 (10.6-12.8)

Median PHQ-9 score

15

10.5

  1. 1current major depressive syndrome according to the diagnostic algorithm of the Patient Health Questionnaire-9 (PHQ-9).
  2. 22-week major depressive syndrome according to the CIDI information about symptom recency.
  3. 3present at least “several days”.