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Table 3 Internal consistency of the CES-D and subscales in people living with HIV/AIDS (N = 400)

From: Screening value of the Center for epidemiologic studies – depression scale among people living with HIV/AIDS in Ho Chi Minh City, Vietnam: a validation study

Scales Items Alpha M (SD) Depression symptomsa p-value
Yes (N = 124)
M (SD)
No (N = 276)
M (SD)
CES-D 20 0.82 13.6 (8.0) 21.0 (7.0) 10.2 (6.0) <0.001
Somatic complaints 7 0.71 4.5 (3.6) 7.7 (3.4) 3.1 (2.7) <0.001
Depressive affect 7 0.73 3.5 (3.4) 6.3 (3.2) 2.2 (2.6) <0.001
Positive affect 4 0.71 5.1 (3.1) 6.0 (2.7) 4.7 (3.2) <0.001
Interpersonal problems 2 0.58 0.5 (0.9) 1.0 (1.2) 0.3 (0.7) <0.001
Adjusted CES-Db     21.0 (1.0) 10.2 (1.0) <0.001
Somatic complaintsb     7.8 (0.5) 3.1 (0.5) <0.001
Depressive affectb     6.3 (0.5) 2.2 (0.5) <0.001
Positive affectb     6.0 (0.4) 4.7 (0.3) <0.001
Interpersonal problemsb     1.0 (0.1) 0.3 (0.1) <0.001
  1. aIdentified by psychiatrists’ interview
  2. bAdjusted for gender, economic status, parental status and time since HIV diagnosis