Factor structure of the depression anxiety stress Scale-21 (DASS-21): Unidimensionality of the Arabic version among Egyptian drug users

Table 5 Means, standard deviations, internal-consistency reliability, and correlations of the DASS-21 and DASS-17 scores with stigma variables

Variables	DASS-21	DASS-17
Mean (SD)	26.7 (12.5)	21.6 (11)
Range of item-total correlations	0.304–0.661	0.400–0.695
Mean inter-item correlation	0.249	0.283
Range of α if item deleted	0.876–0.885	0.869–0.880
Coefficient α	0.883	0.881
Correlations with SSAD subscales
Stereotype awareness	−.007	.125
Stereotype agreement	.143	.172^*
Stereotype self-occurrence	.417^**	.495^**
Shame	.462^**	.465^**

DASS Depression Anxiety Stress Scale, SSAD Self-stigma of Alcohol Dependence Scale, *p ≤ .05, **p ≤ .000

ISSN: 1747-597X