Table 3.

Most frequently used outcome measurement instrument per outcome domain.

Outcome measurement instrument				Studies in the domain, N		Absolute frequency (n) and share in the domain, n (%)		Share in all studies (N=303), n (%)
PROMa
	HRQoLb
		EuroQol five-dimension scale	307		44 (14.3)		44 (14.5)
		Short Form 36	307		36 (11.7)		36 (11.9)
		Short Form 12	307		19 (6.2)		19 (6.3)
	Physical function
		International Physical Activity Questionnaire	57		7 (12.3)		7 (0.2)
		Nottingham Extended Activities of Daily Living Scale	57		4 (7)		4 (1.3)
		Active Australia Survey, Activities-specific Balance Scale, and Physical Activity Scale for the Elderly	57		3 (5.2)		3 (1)
	Social function
		Work Productivity and Activity Impairment Questionnaire	9		2 (22.2)		2 (0.7)
		CHAMPS Activities Questionnaire for Older Adults, World Health Organization Health and Work Performance Questionnaire, Social Phobia Screening Questionnaire, and others	9		1 (11.1)		1 (0.3)
	Emotional function
		Patient Health Questionnaire-9	244		27 (11.1)		27 (8.9)
		Hospital Anxiety and Depression Scale	244		23 (9.4)		23 (7.6)
		Center for Epidemiologic Studies Depression Scale	244		16 (6.6)		16 (5.3)
	Cognitive function
		Brief Illness Perception Questionnaire	41		3 (7.3)		3 (1)
		Supportive Care Needs Survey Short Form 34, Supportive Care Needs Survey Screening Tool 9, and Illness Perception Questionnaire	41		2 (4.9)		2 (0.7)
		Body Attitude Test, Functional Activities Questionnaire, Illness Cognition Questionnaire, and others	41		1 (2.4)		1 (0.3)
	Health literacy
		European Heart Failure Self-Care Behaviour Scale and Self-Care of Heart Failure Index	35		3 (8.6)		3 (1)
		Health Education Impact Questionnaire, Health Promoting Lifestyle Profile II, Patient Enablement Instrument, and others	35		2 (5.7)		2 (0.7)
		Cancer Empowerment Questionnaire, Diabetes Self-Management Profile, Revised Heart Failure Compliance, and others	35		1 (2.9)		1 (0.3)
	Side effects
		Patient Neurotoxicity Questionnaire, Glasgow Antipsychotic Side-Effect Scale, Side Effects of Anti-epileptic Drugs, and others	8		1 (12.5)		1 (0.3)
	Adherence
		Morisky Medication Adherence Scale	103		5 (4.9)		5 (1.7)
		Medication Adherence Rating Scale	103		4 (3.9)		4 (1.3)
		AIDS Clinical Trails Group Adherence Questionnaire	103		1 (1)		1 (0.3)
PREMc
	Treatment
		Client Satisfaction Questionnaire	29		12 (41.4)		12 (4)
		Diabetes Treatment Satisfaction Questionnaire, Patient Assessment of Chronic Illness Care, and Patient Satisfaction Questionnaire Short Form	29		2 (6.9)		(0.7)
		Canadian Health Care Evaluation Project questionnaire, Patient Experience Questionnaire, Functional Assessment of Chronic Illness Therapy–Treatment Satisfaction–Patient Satisfaction, and others	29		1 (3.4)		1 (0.3)
	Technology
		System Usability Scale	22		6 (27.3)		6 (2)
		Telehealth Acceptance Measure	22		3 (13.6)		3 (1)
		Post-Study System Usability Questionnaire and Usefulness, Satisfaction, and Ease of use Questionnaire	22		2 (12.3)		2 (0.7)

^aPROM: patient-reported outcome measure.

^bHRQoL: health-related quality of life.

^cPREM: patient-reported experience measure.