Child and Adolescent Psychiatry and Mental Health

Table 5 Test of discriminant validity among the subscales of the DASS-21

From: Evaluating the psychometric properties of the Chinese Depression Anxiety Stress Scale for Youth (DASS-Y) and DASS-21

Primary school students
	DASS-21			DASS-Y
	Depression	Anxiety	Stress	Depression	Anxiety	Stress
Depression	0.77			0.71
Anxiety	0.98	0.73		0.86	0.72
Stress	0.97	0.97	0.72	0.77	0.77	0.74
Composite reliability	0.91	0.89	0.88	0.88	0.88	0.89
Middle school students
	DASS-21			DASS-Y
	Depression	Anxiety	Stress	Depression	Anxiety	Stress
Depression	0.70			0.65
Anxiety	0.95	0.66		0.75	0.61
Stress	0.94	0.96	0.66	0.73	0.70	0.66
Composite reliability	0.87	0.84	0.84	0.84	0.80	0.84

Notes: Diagonal elements in bold are square root of averaged variance extracted. When these values were higher than the inter-latent factors correlations (off-diagonal elements), the discriminant validity was support for the respective latent variable. CR of depression, anxiety, and stress was in DASS-Y among primary school students

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ISSN: 1753-2000

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