Cultural adaptation and validation of the scleroderma health assessment questionnaire into Arabic language

Egyptian Rheumatology and Rehabilitation

Table 1 Assessment of convergent validity by correlation between the HAQ-DI, SHAQ VAS, and SHAQ global scores with health-related quality-of-life domains SF-36 (n = 56)

Domains	HAQ-DI		SHAQ-vas		SHAQ global
Domains	(r)	p	(r)	p	(r)	P
Physical component summary score	− 0.659^b	0.0001	− 0.495^b	0.0001	− 0.727^b	0.0001
• Physical functioning	− 0.646^b	0.0001	− 0.435^b	0.001	− 0.688^b	0.0001
• Role limitation due to physical problem	0		0		0
• bodily pain	− 0.664^b	0.0001	− 0.470^b	0	− 0.692^b	0.0001
• General health	− 0.455^b	0.0001	− 0.364^b	0.006	− 0.490^b	0.0001
Mental component summary score	0 − .507^b	0.0001	− 0.398^b	0.002	− 0.510^b	0.0001
• Role limitation due to emotional problem	0		0		0
• Vitality	− 0.639^b	0.0001	− 0.268^a	0.046	− 0.644^b	0.0001
• Mental health	0.066	0.627	− 0.079	0.563	0.107	0.433
• Social functioning	− 0.665^b	0.0001	− 0.402^b	0.002	− 0.663^b	0.0001
Health-related QoL SF-36	− 0.627^b	0.0001	− 0.524^b	0.0001	− 0.698^b	0.0001

(r) Correlation coefficient
QoL Quality of life, HAQ-DI Health Assessment Questionnaire Disability Index, SHAQ VAS Scleroderma health assessment questionnaire visual analogue scale
^aSignificant < 0.05
^bSignificant < 0.01