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Table 4 Psychometric properties of the identified tools

From: Measuring capabilities in health and physical activity promotion: a systematic review

Qualitative/mixed methods

No.

Instrument

Author (year)

Sample size, description of study population; age; % male; country

  

1.

Interviews

Weaver et al., (2014) [23]

n = 45; adults with diabetes; M = 60; 42%; Canada

  

Ndomoto et al. (2018) [24]

n = 55; whole community; n.a.; n.a.; rural Kenya and urban deprived UK

  

Sauter et al. (2018) [25]

n = 26; older adults; 65+;38%; Germany

  

Chakraborty et al. (2020) [26]

n = 64 in 8 focus-group and 8 in depth interviews; parents of children under 2 years of age; 16+; 42%; Bangladesh

  

2.

Videography

Petros et al. (2016) [28]

n = 12; adults with mental illness; n.a.; n.a.; USA

  

Mixed method

No.

Instrument

Author (year)

Sample size, description of study population; age; % male; country

  

3.

Questionnaire and Interviews

Bucki et al. (2016) [43]

n = 62; adult care givers; M = 59; 36%; Luxembourg

  

Quantitative

No.

Instrument

Author (year)

Sample size, description of study population; age; % male; country

Validity

Reliability/ Responsiveness/ Sensitivity

4.

Secondary Data Analysis

Abu-Zaineh & Woode (2018) [44]

n = 25,180; young adults: M = 21; 50%; Palestine

n.a

n.a.

Anand et al. (2005) [41]

n = 12,040; adults; 18+; 45%; UK

n.a.

n.a.

Douptcheva et al. (2014) [45]

n = 2814; women; 18+; 0%; Ghana

n.a.

n.a.

Tellez et al. (2016) [46]

n = 8841; older adults; 60+; n.a.; France

n.a.

n.a.

Zwierzchowski and Panek (2020) [47]

n = 25,830; adults; 16+; n.a.; Poland

n.a.

n.a.

5.

ICECAP/ ICECAP-O

Coast et al. (2008) [31]

n = 255; older adults; 65+; 56%; UK

n.a.

n.a.

Coast et al. (2008) [49]

n = 314; older adults; 65+; 54%; UK

Construct:

EQ-5D overall value and

Attachment χ2 = .42

Security χ2 = .008 (p < .01)

Role χ2 = <.001 (p < .01)

Enjoyment χ2 = <.001 (p < .01)

Control χ2 = <.001 (p < .01)

n.a.

Flynn et al. (2011) [50]

n = 809; older adults; 65+; 49%; UK

Construct: comparison ICECAP-O tariff scores with qualitative interviews of attribute development [51] and subjective wellbeing literature provides construct validity.

 

Couzner et al. (2012) [52]

n = 82; older adults in rehabilitation; M = 76; 50%; Australia

Construct:

EQ-5D overall value and

Attachment χ2 = .741

Security χ2 = .088

Role χ2 = .092

Enjoyment χ2 = .058

Control χ2 = .043 (p < .05)

ICECAP-O and CTM-3 Spearman’s r = .23; (p < .05)and EQ-5D Spearman’s r = .44; (p < .001)

n.a.

Makai et al. (2012) [53]

n = 122; older adults; M = 82; 32%; Netherlands

Convergent:

ICECAP-O and nursing version of

EQ-5D r = .48 (p < .001)

Overall life r = .52 (p < .001)

ICECAP-O and family version of

EQ-5D r = .57 (p < .001)

Overall life r = .48 (p < .001)

n.a.

Davis et al. (2013) [54]

n = 215; older adults post falls; M = 79; n.a.; Canada

Construct:Two factor analysis indicated two separate but correlated factors, supporting that the instruments provide complementary data with RMSEA (90% CI) = .05 (.00–.09)

n.a.

Makai et al. (2013) [55]

n = 275; older adults post hospitalization; 65+; 46%; Netherlands

Convergent:

Correlation ICECAP-O significant to

Cantril’s ladder r = .51(p < .001)

SPF_IL r = .60(p < .001)

EQ-5D r = .40(p < .001)

SF-20 r = .47(p < .001)

Discriminant:

EQ 5D

Top 50% M = .90 (p < .01)

Bottom 50% M = .80

Multimorbid

Max. 1 chronic condition M = .89 (p < .01)

More than 2 conditions

M = .82

n.a.

Horwood et al. (2014) [56]

n = 20; older adults with hip/knee replacement; M = 70; 30%; UK

Face:

Majority of participants had no problems completing the measure

n.a.

Hörder et al. (2016) [57]

n = 40; older adults; 70; 48%; Sweden

n.a.

Test-retest:

ICC = .80

systematic disagreement Cohen’s κ (95% CI)

Attachment κ = .34; −.17 (−.35 – -.03) (significant)

Security κ = .22; .05 (−.11–.20)

Role κ = .41; .00 (−.16–.16)

Enjoyment κ = .24; −.02 (−.19–.14)

Control κ = .17; −.13 (−.32–.05)

Davis et al. (2017) [54]

n = 247; older adults with impaired mobility; 80 ± 7; 37%; Canada

n.a.

Responsiveness:

Change Baseline to 12-Month follow up:

M = −.016 (p < .05); r = .50

Relation of change divided by faller status:

Change Baseline to 12-Month follow up, faller: M = -.13

Change Baseline to 12-Month follow up, non-faller: M = .00

Sarabia-Cobo et al. (2017) [58]

n = 217; older adults with dementia; M = 87; 19%; Spain

Convergent:

Correlation EQ-5D + C to

ICECAP-O tariff: r = .62 (p < .01)

Attachment r = .11 (p < .05)

Security r = .32 (p < .05)

Role r = .71 (p < .01)

Enjoyment r = .56 (p < .01)

Control r = .41 (p < .01)

Discriminant:

Depression severity

Mildmean M = .72 (p < .01)

Moderate M = .63

Severe M = .50

Care level

Low M = .70 (p < .01)

Medium M = .59

High M = .39

Internal consistency:

α = .820

Franklin et al. (2018) [59]

n = 584; older adults; 65+; 38%; UK

Construct:

OLS model with EQ-5D-3L items as discrete variables, including age, sex and care home explanatory variables produced best overall model: RMSE = .16; R2 = .35

n.a.

Milte et al. (2018) [60]

n = 87; older adults following a hip fractur; 60+; 30%; Australia

Convergent:

Spearman Correlation EQ-5D-3L scores to (95% CI; p-values)

Attachment: r = .27 (.07–.43; .013)

Security: r = .51 (.32–.67; <.001)

Role: r = .34 (.12–.52; .002)

Enjoyment: r = .26 (.03–.46; .016)

Control: r = .46 (.23–.62; .000)

n.a.

Mitchell et al. (2020) [61]

n = 30; adults requiring kidney care; 18+; 77%; UK

Process:

Total Errors/Struggles in Areas during Think-aloud study

Attachment: 2

Security: 1

Role: 5

Enjoyment: 2

Control: 0

n.a.

Baji et al. (2020) [62]

n = 453; older adults; 65+; 50.1%; Hungary

Convergent:

Pearson’s Correlation ICECAP-O scores to EQ-5D-5L r = .65

EQ-VAS r = .50

Happiness-VAS r = .52

Satisfaction with life r = .57

WHO-5 r = .61

SWLS r = .52

Internal-consistency:

Cronbach’s α = .86

Test-retest:

ICC = .97 (95% CI, .94–.98)

Attachment 96.2%

Security 96.2%

Role 90.6%

Enjoyment 94.3%

Control 96.2%

6.

ICECAP-A

Al-Janabi et al. (2012) [32]

n = 36; adults; 18+; 41%; UK

n.a.

n.a.

Al-Janabi et al. (2013) [63]

n = 34; adults; 18+; 47%; UK

Face: Individuals largely responded to questions in intended manner and encountered problems on fewer than 10% of the items.

n.a.

Al-Janabi et al. (2013) [64]

n = 418; adults; M = 51.7; 38%; UK

Construct:

Associations between EQ-5D and

Stability χ2 = <.001 (p < .01)

Attachment χ2 = .34

Autonomy χ2 = <.001 (p < .01)

Achievement χ2 = <.001 (p < .01)

Enjoyment χ2 = <.001 (p < .01)

n.a.

Al-Janabi et al. (2015) [65]

n = 237; adults; 18+; 52%; UK

n.a.

Test-retest:

Stability 89.8%; κ = .61

Attachment 88.8%; κ = .57

Autonomy 87.8%; κ = .52

Achievement 88.1%; κ = .53

Enjoyment 88.1%; κ = .54

ICC = .72

Keeley et al. (2015) [66]

n = 357; adults with knee pain; M = 64; 49%; UK

Construct:

Correlation ICECAP-A to

EQ-5D-3L r = .255

GAD-7 r = −.205

PHQ-8 r = −.190

Responsiveness:

Anchor-based analysis (baseline and 6-months follow-up)

Mean ICECAP-A change (95% CI)

EQ-5D-3L Improved .02 (.002–.042) (p < .05)

EQ-5D-3L no change −.003 (−.128–.007)

EQ-5D-3L worsened −.54 (−.084–-.024) (p < .01)

GAD-7 Improved .020 (.002–.042)

GAD-7 no change -.004 (−.003–-.011)

GAD-7 worsened -.07 (−.11–-.032) (i < .01)

PHQ-8 Improved .014 (−.005–.032)

PHQ-8 no change .003 (−.006–.011)

PHQ-8 worsened -.048 (−.078–-.017) (p < .01)

Goranitis et al. (2016) [67]

n = 478; women with irritative lower urinary tract syndrome; M = 55; 0%; UK

Convergent:

EQ-5D correlated (p < .01) to

Stability r = .38

Attachment r = .21

Autonomy r = .48

Achievement r = .45

Enjoyment r = .40

ICIQ-OAB correlated (p < .01) to

Stability r = −.23

Attachment r = −.12

Autonomy r = −.19

Achievement r = −.21

Enjoyment r = −.25

Discriminant

ICECAP-A mean score (SD)

Total impact of symptoms

Low M = .86(.14)(p < .01)

Moderate M = .87 (.13)

High M = .81 (.18)

Responsiveness: ICECAP-A Score change baseline to follow-up (SD)

Symptoms’ bother

Increased bother -.05 (.15) (p < .01)

Same bother -.03 (.17)

Lower bother .00 (.15)

Symptoms’ frequency

Improved .00 (.15)

Same level -.039 (.13)

Deteriorated .06(.18) (p < .01)

Goranitis et al. (2016) [68]

n = 83; adults with opiate dependence; M = 37; 87%; UK

Convergent:

Correlation of ICECAP-A to

Psychological health r = .55 (p < .01)

Physical health r = .36 (p < .01)

Quality of Life r = .55 (p < .01)

Discriminant:

ICECAP-A mean score; ±SD:

Psychological health

High M = .57; ±.19 (p < .01)

Low M = .74; ±.15

Physical health status

High M = .59; ±.20 (p < .01)

Low M = .71; ±.17

Overall Quality of life

High M = .58; ±.19 (p < .01)

Low M = .75; ±.14

Sensitivity:

ICECAP-A mean change baseline to 3-months follow-up; ±SD:

Psychological health

Not improved M = .00; ±.19

Improved M = .08; ±.13 (p < .01)

Physical health status

Not improved M = .04; ±.19

Improved M = .05; ±.13 (p < .05)

Overall Quality of life

Not improved M = .02; ±.17

Improved M = .07; ±.15(p < .05)

Mitchell et al. (2017) [69]

n = 617; adults with depression; 18+; 33%; UK

 

Discriminant:

ICECAP-A mean score to DASS-D

Normal/well M = .84

Mild M = .71

Moderate M = 0.71

Severe M = .64

Very severe M = .47

n.a.

Linton et al. (2018) [70]

n = 2501; adults (healthy or with Arthritis, Asthma, Cancer, Depression, Diabetes, hearing problems, heart disease); 18+; 52%; Germany, UK

Convergent:

Correlation of ICECAP-A and

EQ-5D-5L Germany r = .62

UK r = .61

SWLS Germany r = .66

UK r = .68

SF-6D Germany r = .64

UK r = .65

 

Internal-consistency: (Cronbach’s α) across subsamples Germany; UK

Overall sample α = .83; .85

Healthy α = .78; .80

Arthritis α = .74; .78

Asthma α = .77; .83 Cancer α = .86; .83

Depression α = .78;.79

Diabetes α = .83;.86

Hearing loss α = .74;.84

Heart disease α = .83;.85

Tang et al. (2018) [49]

n = 975; adults; 18+/M = 34; 47%; China

Construct:Two factor-analysis indicate a different construct between ICECAP-A and EQ-5D-3L

Correlation of ICECAP-A and EQ-5D-3L

Stability r = .39 (p < .01)

Attachment r = .34 (p < .01)

Autonomy r = .38 (p < .01)

Achievement r = .27 (p < .01)

Enjoyment r = .38 (p < .01)

Internal-consistency:

Cronbach’s α = .799

Holst-Kristensen et al. (2020) [51]

n = 332; adults; 18+/M = 57; 55%; Denmark

n.a.

Test-retest:

Stability 91.4%; κ = .58

Attachment 90.5%; κ = .66

Autonomy 89.3%; κ = .46

Achievement 91.0%; κ = .57

Enjoyment 90.0%; κ = .60

Individual: ICC = .86 (95% CI .83–.88)

Group: ICC = .92 (95% CI .91–.94)

Shahataheri et al. (2020) [43]

n = 1200; adults; M = 45.6; 45.6%; Iran

Convergent:

Polychoric correlation of

EQ-5D-5L Scores to:

ICECAP-A Scores: r = .48

Stability: r = .34

Attachment: r = .19

Autonomy: r = .41

Achievement: r = .53

Enjoyment: r = .40

EQ-VAS Scores to:

ICECAP-A Scores: r = .49

Stability: r = .39

Attachment: r = .28

Autonomy: r = .33

Achievement: r = .45

Enjoyment: r = .40

Discriminant:

ICECAP-A mean score; ±SD:

Education

Primary/ High School M = .64; ±.26 (p < .001)

Diploma M = .79; ±.15

University Degree M = .81; ±.15

Gender

Male M = .76; ±.16 (p = .185)

Female M = .79; ±.16

EQ-VAS (health Status)

< 70 M = .66; ±.18 (p < .001)

> 70 M = .81; ±.14

Internal-consistency:

Cronbach’s α for

Capability Index Score α = .82

Stability α = .77

Attachment α = .80

Autonomy α = .81

Achievement α = .77

Enjoyment α = .78

Test-retest:

ICC for

Capability Index Score =.90 (95% CI, .89–.91)

Stability =.96 (95% CI, .95–.96)

Attachment = .94 (95% CI, .93–.95)

Autonomy = .93 (95% CI, .92–.94)

Achievement = .96 (95% CI, .95–.96)

Enjoyment = .95 (95% CI, .95–.96)

Mah et al. (2020) [29]

n = 364; adults with Spinal Cord Injury; 18+/M = 50.4; 63%; Canada

Convergent:

Pearson’s correlation ICECAP-A Scores to:

AQoL-8D r = .74

EQ-5D-5L r = .57

HUI-3 r = .50

SF- 6D r = .58

Discriminant:

Confirmed for constructs (p < .001): General Health; Mental Health; Social Functioning; Role/activity limitations; Independence (self-care); Independence (mobility); Life Satisfaction; Secondary Health Conditions; Paid Employment; Happiness; Household Income

n.a.

Mitchell et al. (2020) [71]

n = 30; adults requiring kidney care; 18+; 77%; UK

Process:

Total Errors/Struggles in Areas during Think-aloud study

Stability: 2

Attachment: 0

Autonomy: 2

Achievement: 2

Enjoyment: 2

n.a.

Baji et al. (2020) [62]

n = 1568; adults 18+; 50%; Hungary

Convergent:

Pearson’s Correlation ICECAP-A scores to EQ-5D-5L r = .57

EQ-VAS r = .52

Happiness-VAS r = .50

Satisfaction with life r = .52

WHO-5 r = .53

SWLS r = .45

Internal-consistency:

Cronbach’s α = .863

Test-retest:

ICC = .94 (95% CI, .90–.97)

Stability 85.5%

Attachment 95.5%

Autonomy 91.5%

Achievement 91.5%

Enjoyment 93.5%

7.

ICECAP-SCM

Sutton & Coast (2014) [33]

n = 23; older adults; 65+; n.a.; UK

n.a.

n.a.

8.

ICECAP-FC

Al-Janabi (2018) [34]

n = 943; adults with long-term after-effects of meningitis; M = 53; 25%; UK

n.a.

n.a.

9.

OCAP

Anand et al. (2009) [35]

n = 1048; adults; 18+; n.a.; UK

n.a.

n.a.

10.

OCAP-18

Lorgelly et al. (2015) [42]

n = 198 (qualitative), n = 1048 (quantitative); adults; M = 46; 63%; UK

Construct:

Pairwise correlation with EQ-5D-3L = .576 (p < .001)

n.a.

11.

OxCAP-MH

Simon et al. (2013) [36]

n = 333; adults with a mental illness; M = 40; 67%; UK

Convergent:

Significant correlation of OxCAP-MH scores with

GAF r = .25

EQ-5D VAS r = .51

EQ-5D-3L r = .41

n.a.

Vergunst et al. (2017) [49]

n = 172; adults with psychosis; M = 38; 72%; UK

Convergent:

Correlation of OxCAP-MH with

EQ-5D-3L r = .452 (p < .001)

EQ-5D VAS r = .522 (p < .001)

BPRS r = −.413 (p < .001)

GAF r = .240 (p < .001)

SIX r = .118

Internal consistency

Cronbach’s α = .79

Test-retest (1-week apart):

ICC = .86 (p < .001)

Adjusted R2 = .73

Sensitivity:

Baseline (T1) M = 67.7 (13.8)

12 months follow up (T2) M = 70.8 (11.85)

One-SEM values T1 = 6.47; T2 = 6.49

Simon et al. (2018) [30]

n = 10; adults with mental illness; M = 37; 40%; UK

n.a.

n.a.

Laszewska et al. (2019) [73]

N = 159; adults with mental illness; M = 45; 36%; Austria

Convergent:

Correlation of OxCAP-MH change scores with

EQ-5D-3L r = .30 (p < .05)

EQ-5D VAS r = .31 (p < .05)

BSI-18 r = −.42 (p < .05)

GAF r = .15 (p < .05)

Mini-ICF-APP r = −.10

Discriminant:

OxCAP-MH mean score (SD):

Multi-morbidity

one Axis diagnosis M = 68.2(14.4)

≥2 Axis diagnoses M = 56.0(16.8) (p < .001)

Rating of QoL

Very poor/poor

M = 48.0(15.4)

Neither poor or good M = 65.3(11.5) (p < .001)

Good/very good M = 74.3(11.2) (p < .001)

Test-retest (after 30 days)

Cronbach’s α = .85

ICC = .80 (95%CI .69–.87)

12.

CQ-CMH

Sacchetto et al. (2016) [37]

N = 50; adults with mental illness; M = 42; 70%; Portugal

Face: 15 participants confirmed familiarity with language used and relevance of addressed issues. Questionnaire rated as understandable and easy to fill out but too extensive.

n.a.

13.

ACQ-CMH-98

Sacchetto et al. (2018) [38]

n = 332; adults with mental illness; M = 44; 59%; Portugal

Content:

Participants (n = 15) CVI: .89

Convergent:

Pearson’s correlation with

WHOQOL-Bref r = .60 (p < .001)

K6 r = .46 (p < .001)

Discriminant:

Pearson’s correlation with

RAS r = −.17 (p = .046)

Test-retest:

55% of items high (r = .9 to ≥6)

45% of items low (r = < 6)

ANOVA test significant for 5 items (p < .05)

Internal consistency:

Optimism α = .91

Affiliation α = .84

Activism α = .84

Practical Reason α = .76

Self-sufficiency and Self-determination α = .76

Family α = .78

14.

Capability-based questionnaire

Kinghorn et al. (2015) [39]

n = 16; adults with chronic pain; 33+; 43%; UK

n.a.

n.a.

15.

CADA

Ferrer et al. (2014) [40]

n = 109; adults with obesity and diabetes mellitus; M = 49; 22%; USA

n.a.

Internal-consistency:

Convenience, cost: α = .78

Neighborhood opportunity: α = .78

Barriers: α = .75

Knowledge: α = .83

Time Pressure: α = .75

Family support: α = .62

Spouse/partner: α = .65

Nonfamily support: α = .80

  1. BPRS Brief Psychiatric Rating Scale, CTM-3 3-Item Care Transition Measure, DASS-D Depression Anxiety Stress Scales, GAF Global Assessment of Functioning, ICC Intra-class correlation coefficient, K6 Kessler Psychological Distress Scale, M Mean, OLS ordinary least square, PHQ-8 Patient Health Questionnaire depression scale, RAS Recovery Assessment Scale, SEM Structural equation modeling, SIX Objective Social Outcomes Index