The Anti-Clot Treatment Scale (ACTS) in clinical trials: cross-cultural validation in venous thromboembolism patients

Table 4 ACTS Burdens and Benefits scales – EINSTEIN DVT datasets: principal components analysis with VARIMAX rotation

Item	EINSTEIN DVT (N=1336)
	Component
	1	2
ACTS Burdens
Q1 Bleeding/vigorous activities	0.58	−0.06
Q2 Bleeding/usual activities	0.57	0.03
Q3 Bruising	0.54	0.06
Q4 Avoid other medicines	0.48	0.07
Q5 Limit eat/drink	0.55	0.02
Q6 Hassle/daily	0.69	0.10
Q7 Hassle/occasional	0.66	0.08
Q8 Difficult to follow your ACT	0.62	0.11
Q9 Time-consuming ACT	0.53	0.12
Q10 Worry about ACT	0.65	0.11
Q11 Frustrating ACT	0.71	0.09
Q12 Burden of ACT	0.74	0.09
ACTS Benefits
Q14 Confident in ACT	0.03	0.88
Q15 Reassured by ACT	0.07	0.91
Q16 Satisfied with ACT	0.19	0.83

Extraction method: principal components analysis; rotation method: VARIMAX with Kaiser normalization.
ACT anticoagulation treatment, ACTS Anti-Clot Treatment Scale.
Values refer to factor loadings on each component: Component 1 = ACTS Burdens; Component 2 = ACTS Benefits.

ISSN: 1477-7525