Health and Quality of Life Outcomes

Table 2 Internal consistency of the ACTS domains and items

From: The anti-clot treatment scale (ACTS): validation of the translated Arabic version among patients undergoing warfarin therapy in Saudi Arabia

Domains and items	Time point 1, N = 136		Time point 2, N = 129
Domains and items	Item-total correlation	Cronbach’s alpha	Item-total correlation	Cronbach’s alpha
Burden scale
Item 1	0.375	0.874	0.453	0.9
Item 2	0.468	0.868	0.517	0.897
Item 3	0.366	0.874	0.518	0.897
Item 4	0.566	0.862	0.701	0.888
Item 5	0.491	0.866	0.563	0.895
Item 6	0.634	0.858	0.602	0.893
Item 7	0.715	0.853	0.564	0.895
Item 8	0.572	0.862	0.653	0.89
Item 9	0.599	0.86	0.735	0.886
Item 10	0.648	0.857	0.694	0.888
Item 11	0.667	0.856	0.753	0.885
Item 12	0.662	0.856	0.703	0.887
ICC (95% CI of the ICC)			0.786 (0.671–0.836), p < 0.001
Benefit scale
Item 14	0.523	0.587	0.391	0.771
Item 15	0.523	0.587	0.604	0.5
Item 16	0.485	0.635	0.577	0.541
ICC (95% CI of the ICC)			0.500 (0.293–0.646), p < 0.001

Abbreviation: ICC intraclass correlation coefficient

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ISSN: 1477-7525

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