Research Article

Psychometric Limitations of the Center for Epidemiologic Studies-Depression Scale for Assessing Depressive Symptoms among Adults with HIV/AIDS: A Rasch Analysis

Table 4

Variance explained in each CES-D subscale.

Subscale Items included in each subscaleVariance explained

Positive affect4, 8, 12, 1644.2%
Negative affect3, 6, 9, 10, 14, 17, 1847.6%
Somatic symptoms and retarded activity1, 2, 5, 7, 11, 13, 2037.7%
Interpersonal difficulties15, 1946.2%