Table 1.

Subscale Description and Scoring

Questionnaire	Subscale	Description	Minimum score	Maximum score
IPQ‐R	Timeline Acute Chronic	Patient’s perception of disease duration	6	30
	Timeline Cyclical	Patient perception that disease will come and go	4	20
	Consequences	Patient perception of disease impact	6	30
	Personal Control	Extent to which patient believes they can impact disease outcome, i.e., self‐efficacy	6	30
	Treatment Control	Extent to which patient believes treatment will be able to manage disease	6	30
	Illness Coherence	Patient self‐reported understanding of illness	5	25
	Emotional Response	Emotional response evoked by illness	6	30
BMQ	General Harm	Extent to which patient believes any medication is harmful	4	20
	General Overuse	Extent to which patient believes medicines are overused in health care	4	20
	Specific Concern	Patient anticoagulation specific concerns	5	25
	Specific Necessity	Patient’s perceived need for anticoagulation therapy	5	25
ACTS	Burdens	Anticoagulation‐specific impediments to quality of life	12	60
	Benefits	Patient‐reported gains from anticoagulation therapy	3	15

ACTS, Anti‐Clot Treatment Scale; BMQ, Beliefs about Medicines Questionnaire; IPQ‐R, Revised Illness Perception Questionnaire.