Table 2

Possible determinants in the COMPAS study

	Variable/instrument	T0	T1	T2	T3	T4
Demographic variables	Age, gender, education, marital status, living situation, residence, employment status, hand preference	P	X	X	X	X
Clinical characteristics
Stroke-specific	Lifetime history of stroke, type, side, classification according to the Oxford Community Stroke Project,27 severity within 24 h after admission using the National Institutes of Health Stroke Scale,28 treatment, poststroke complications, length of hospital stay, discharge destination	P
General	Vascular risk factors, comorbidity (Cumulative Illness Rating Scale29), (re-) admissions to hospital, medication use, current participation in rehabilitation therapy		X	X	X	X
Health status	12-Item Short Form Health Survey30		X		X	X
Premorbid status
Cognitive decline	Informant Questionnaire on Cognitive Decline in the Elderly—short form15	P	C
IQ estimation	Dutch version National Adult Reading Test31		X
Cognitive complaints	Self-made item: “in the previous months (before your stroke), have you experienced cognitive complaints?”	P	C
Depressive complaints	Self-made item: ‘‘in the previous months (before your stroke), have you experienced depressive complaints?”	P	C
Anxiety complaints	Self-made item: ‘‘in the previous months (before your stroke), have you experienced anxiety complaints?”	P	C
Current comorbid complaints
Depressive complaints	Hospital Anxiety and Depression Scale—subscale depression32		X	X	X	X
Anxiety complaints	Hospital Anxiety and Depression Scale—subscale anxiety32		X	X	X	X
Fatigue	Fatigue Assessment Scale33		X	X	X	X
Stress	Perceived Stress Scale, 4-item version34		X		X	X
Personal factors			X		X	X
Coping style	Utrecht Coping List—15-item version35		X
Personality trait—neuroticism	Eysenck Personality Questionnaire Revised Short Scale—subscale neuroticism36		X
Personality trait—extraversion	Eysenck Personality Questionnaire Revised Short Scale—Extraversion subscale36		X
Type D	Type D scale-1437		X
Participants’ awareness of SCC	Cognitive Failures Questionnaire completed by proxy		X	X	X	X
Participants’ awareness of SCC	Checklist for Cognitive and Emotional Consequences completed by proxy		X	X	X	X
Life events	Self-made item concerning the presence and impact of a positive or negative life event: “Last year, did something happen in your life which had a major impact on you? This may be something either pleasant or sad”		X		X	X

C, control group only; P, patient group only; SCC, subjective cognitive complaints; T0, clinical phase; T1, 3 months poststroke; T2, 6 months poststroke; T3, 1 year poststroke; T4, 2 years poststroke; X, instrument used in both patients and controls.