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Table 1 The domains, items, and aggregated items included in the vignettes with the descriptives

From: Establishing a composite endpoint for measuring the effectiveness of geriatric interventions based on older persons’ and informal caregivers’ preference weights: a vignette study

Outcome domains

Vignette items

Outcomes levels

Descriptives

Morbidity (Local and national health monitor) [21]

Presence of: Dementia; Depression; Incontinence; Stroke, CVA or TIA; Hip fracture; Panic or anxiety disorder; Dizziness with falling; Vision disorder; Asthma; Osteoporosis; Diabetes; Arthritis; Heart failure; Form of cancer; Complaints due to benign enlarged prostate; Fracture other than hip fracture; Hearing disorder

Number of diseases present; counting the number of health items “Present” Range: 0-17

Mean: 3.5

SD: 2.0

Functional limitations (modified KATZ-ADL Index) [22]

Needing help with: Brushing hair; Going to the toilet; Taking medication; Sitting down and getting up from chair; Getting dressed; Travelling; Handling finances; Grocery shopping; Walking about; Taking a bath or shower; Housekeeping; Preparing a meal; Eating; Using the telephone

Number of limitations in (I) ADL; counting the number of physical functioning items “Help needed” Range: 0-15

Mean: 3.0

SD: 3.5

Emotional well-being (Rand-36, mental health subscale) [23]

Feeling down; Feeling blue; Feeling nervous; Feeling happy; Feeling calm

Raw mental health score; Calculating the raw score of the five mental health items, each ranging from 1 to 6 Range: 5-30

Mean: 10.4

SD: 4.7

Pain experience (Single item EQ-5D + C) [24]

Pain experience

No

130 (44.7)

Moderate

127 (43.6)

Severe

34 (11.7)

Cognitive functioning (Single item EQ-5D + C) [24]

Cognitive problems

No

222 (77.1)

Moderate

64 (22.2)

Severe

2 (0.7)

Social functioning (Single item RAND-36) [23]

Social activities hampered by physical health or emotional problems

Never

217 (75.9)

Rarely

19 (6.6)

Sometimes

29 (9.1)

Mostly

6 (2.1)

Continuous

18 (6.3)

Self-perceived health (Single item, RAND-36) [23]

Self-perceived health in general

Excellent

18 (6.3)

Very good

20 (7.0)

Good

127 (44.3)

Reasonable

108 (37.6)

Poor

14 (4.8)

Satisfaction with quality of life (QOL) (Single item formed using phrasing similar to self-perceived health question, RAND-36) [23]

Self-perceived QOL in general

Excellent

26 (9.1)

Very good

40 (14.0)

Good

170 (59.4)

Reasonable

41 (14.4)

Poor

9 (3.1)