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. 2023 Sep 14;47(1):15–50. doi: 10.1080/10790268.2023.2254878

Table 3.

Measurement properties – internal consistency, reliability and cross-cultural validity.

          Internal consistency Reliability Cross-cultural validity/measurement invariance
Instrument Reference Country (language) in which the questionnaire was evaluated Number of items Mode of administration n Meth. quality Result (rating) n Meth. quality Result (rating) n Meth. quality Result (rating)
ATD PA [Scherer, 2001] USA 11 (ATD PA sections B and C) not clearly reported 20 V α = 0.80 (+)            
I-QOL [Schurch et al., 2007] Belgium, France, and Switzerland 22 quastionnaires/interview 59 (SCI and Multiple sclerosis) V α = 0.93 (+)            
KHQ [Romero-Cullerés, 2011] Spain 21 not clearly reported 120 V α = 0.91 (?)            
  [Liu, 2010] United Kingdom 21 not clearly reported 142 V α = 0.77 to 0.91 (?)            
  [Karapolat et al., 2018] Turkey 21 face-to-face interviews 92 V α = 0.68-0.93 (?) 92 A ICC = 0.69-0.94 (−)      
LiSat-9 [Post, 2012] Netherlands 9 interviews 225 V α = 0.75 (?)            
  [Geyh, 2010] Australia, Brazil, Canada, Israel, South Africa, and the USA 9 not clearly reported       243 D r = 0.86 (?) 243 V Merged item 4 and 5 F(5) = 1.19; p = 0.095 (+)
LS Questions [Post, 2012] Netherlands 2 interview 225 V α = 0.60 (?)            
NBD [Erdem et al., 2017] Turkey 10 not clearly reported 42 V α = 0.547 (−) 42 A κ =  1.000, (p < 0.001)      
NBSS [Welk et al., 2014] USA 22 interview 80 (SCI), 136 (MS) and 14 congenital neurogenic bladder V α = 0.89 (?) 131 individuals with SCI, MS and congenital neurogenic bladder A ICC (2,1) of the total score = 0.91 (+)      
  [Guler et al., 2020] Turkey 24 interview 84 (SCI) and 18 (MS) V α  = 0.893–0.910 (?) 84 (SCI) and 18 (MS) D ICC = 0.91 (95% CI 0.87–0.94, p < 0.001) (+)      
  [Przydacz et al., 2020] Poland 24 interview 101 V α = 0.83 (?) 101 D ICC (2,1) = 0.87 (0.80–0.92) (+)      
  [Cintra et al., 2019] Brazil 24 interview 66 (SCI), 1 (MS) and 1 non indentified A α = 0.81 (?) 46 A ICC = 0.86 [0.76–0.92] (p < 0.0001) (+)      
PRISM [Cook, 2007] EUA 55 interview 180 V α = 0.74-0.96 (?) 180 D ICC = 0.82-0.91 (+)      
PWI [Geyh, 2010] Australia, Brazil, Canada, Israel, South Africa, and USA 7 not clearly reported       243 D r = 0.92 (?) 243 V Merged item 3 and 8 F(5) = 9.05 ; p = 0.000 Merged item 5 and 6 F(5) = 0.39; p = 0.858 (+)
QLI-SCI [Kovacs, 2015] Spain, United Kingdom 37 interview       77 (43 with SCI). A QLI/SCI (SCI) ICC =  0.830; Entire sample ICC = 0.801 (−)      
QOLP-PD [Renwick, 2003] Canada 102 interview cross-disabilities n = 27 and only SCI n = 40 V α = 0,67–0,97 (cross-disability) and 0,84–0,98 (SCI) (?)            
Qualiveen [D’Ancona, 2009] Brazil 39 self-administered 51 cross-disabilities V α = 0.75–0.90 (?) 51 cross-disabilities A ICC = 0.62 to 0.86 (−)      
  [Bonniaud, 2011] Italy 30 interview 128 V α = 0.94 (?) 128 D ICC = 0.77–0.90 (+)      
  [Nikfallah et al., 2015] Iran 30 self-administered 154 cross-disability V α = 0.82 to 0.95.(+) 154 cross-disability I ICC = 0.94 to .97(+)      
  [Przydocz, 2020a] Poland 30 interview 126 V α = 0.87 (?) 126 D ICC = 0,92 (+)      
  [Costa, 2001] France 30 questionnaire 268 V α = 0.80 (?) 46 A ICC = 0.85 and 0.92 (+)      
  [Pannek, 2007] Germany 30 interview 439 V α = 0.80 to 0.91 (?)            
Qualiveen SF [Reuvers, 2017] Netherlands 8 interview 57 SCI and 50 controls V α = 0.89–0.92 (?) 57 SCI and 50 controls A ICC = 0.94 LOA = –0.72 to 0.70 (+)      
  [Przydocz, 2020a] Poland 8 interview 126 V α = 0.84 (?) 126 D ICC = 0,93 (+)      
  [Krebs et al, 2021] Switzerland 8 self-report questionnaire 50(test) and 35 (retest) V α = 0.84–0.90 (?) 35 to 37 I ICC = 0.91 to 0.94 (+)      
  [Konstantinidis et al., 2020] Greece 8 interview 71 SCI and 53 Multiple Sclerosis V α = 0.71 to 0.90 (+) 71 SCI and 53 Multiple Sclerosis A r = 0.26–0.88 (p < 0.05); p < 0.01; p < 0.001 (?)      
SCI QoL-BDS [Post, 2016] Netherlands 3 self-report questionnaire 261 V α = 0.81 (?)            
  [Post, 2019] Australia, Brazil, Netherlands, USA 3 self-report questionnaire 79 V α = 0.84 to 0.86 (?) 79 A ICC total = 0.66 to 0.80 (?)      
   [New, 2019] Australia, Brazil, India, Netherlands, and USA 3 survey or face-face interview 959 V α = 0.84 (?)            
  [Kunz et al., 2021] Switzerland 3 interview 218 V α = 0.82–0.90 (?)            
  [Nijhawan et al., 2022] India 3 not clearly reported       50 V ICC = 0.91 to 0.98 (+)      
  Pattanakuhar, 2020] Thailand 3 interview 130 I α  = 0.89 (?) 130 A ICC = 0,73-0,86 (?)      
SCI QoL-BDS version 2.0 [Post et al., 2022] Australia, Brazil Netherlands, and USA 4 interview 565 V α = 0.81 (+)            
SCI-QOL Pressure ulcers item bank [Kisala, 2015a] USA 12 interview 189 D α = 0.927 (−)            
SCI-QOL Pressure ulcers SF  [Kisala, 2015a] USA 7 interview 189 V α = 0.874 (+) 245 V ICC (2,1) = 0.79 (95% CI: 0.74 to 0.84) (+)      
SCI-QOL Anxiety item bank [Kisala, 2015b ] USA 25 phone interview and CAT program 716 V α = 0.946 (−) 245 V ICC =  0.80 (95% CI, 0.75 to 0.84) (+)      
SCI-QOL item banks (Methodology for the development and calibration)  [Tulsky, 2015b] USA 14 unidimensional calibrated item banks and 3 calibrated scales across phone interview and computer adaptive test (CAT) 825 V α = 0.79–0,99 (?) 245 V ICC = 0.74–0,96 (+)      
SCI-QOL Depression Item Bank  [Tulsky, 2015c] USA 28 phone interview and computer adaptive test (CAT) 716 V α = 0.964 (+) 245 V r = 0.80 (P < .001) and ICC (2,1) = 0.80 (95% CI: 0.75 to 0.84). (+)      
SCI-QOL Stigma item bank [Kisala, 2015c] USA 23 computer adaptive test (CAT) 611 V α = 0.936 (−) 245 V r = 0.80 (p < 0.001) ICC = 0.79 (95% CI: 0.74 to 0.84) (−)      
SCI-QOL Stigma item bank SF [Kisala, 2015c] USA 10 computer adaptive test (CAT) 611 V α = 0.895 (−) 168 A r = 0.84 (−)      
SCI-QOL PAWB [Bertisch et al., 2015] USA 28 computer adaptive test (CAT) 717 V α = 0.970 (−) 245 V r = 0.78 and ICC (2,1) = 0.78 (95% CI = 0.72 to 0.82) (+)      
SCI-QOL APSSRA [Heinemann et al., 2015] USA 27 computer adaptive test (CAT) 641 V α = 0.95 (−) 245 V ICC (2,1) for Ability to Participate = 0.74 (95% CI =  0.67, 0.79) and Satisfaction the ICC (2,1) = 0.77; 95% (CI = 0.72, 0.82) (+).      
SCI-QOL Self-esteem [Kalpakjian et al., 2015] USA 23 computer adaptive test (CAT) 717 V α = 0.950 (−) 245 V ICC (2,1) = 0.84 (95% CI =  0.80 to 0.88) (+)      
SCI-QOL Grief and Loss [Kalpakjian et al., 2015] USA 17 computer adaptive test (CAT) 717 V α = 0.947 (−) 245 V ICC (2,1) = 0,83 (95% CI = 0,78 to 0,87) (+)      
SCI-QOL Psychological Trauma [Kisala, 2015d] USA 19 computer adaptive test (CAT) 717 V α = 0.947 (−) 245 V ICC (2,1) = 0,84 (95% CI = 0,80 to 0,88) (+)      
SCI-QOL Resilience [Kuzu et al., 2022] USA 21 computer adaptive test (CAT) 133 D α = 0.89 (−)            
  [Victorson et al., 2015] USA 21 computer adaptive test (CAT) 717 V α = 0.95 (−) 245 V ICC (2,1) = 0.83 (95%CI = 0.78 to 0.87) (+)      
SCI-QOL Bladder Management Difficulties [Tulsky et al., 2015] USA 15 computer adaptive test (CAT) 757 V α = 0.91 (−) 245 V (ICC) (2,1) = 0.76 ( 95% CI =  0.70 to 0.81) (+)      
SCI-QOL Bowel Management Difficulties [Tulsky et al., 2015] USA 26 computer adaptive test (CAT) 757 V α = 0.95 (−) 245 V ICC (2,1) = 0.74 (95% CI = 0.68 to 0.79) (+)      
SCI-QOL Bladder Complications [Tulsky et al., 2015] USA 5 computer adaptive test (CAT) 757 V α = 0.72 (−) 245 V ICC (2,1) = 0.69 (95% CI =  0.61 to 0.76) (−)      
Sense of Well-Being Inventory (SWBI) [Chapin, 2004] Canada 36 not clearly reported 132 V α = 0.79 to 0.88 (?)            
SF-36 [Forchheimer, 2004 USA 36 telephone 215 V α = 0.76 to 0.90 (?)            
  [Lin, 2007] Taiwan 26 telephone interviews 187 V α = 0.72-0.9 (?) 187 I ICC intra-evaluator = 0.71-0.99 ; ICC inter = 0.41-0.98 (+)      
  [Liu, 2010] United Kingdom 36 not clearly reported 142 V α = 0.76to 0.89 (?)            
SF-36V [Luther, 2006] EUA 8 self-administered 359 I α = 0.90 (−)            
SOSGOQ [Yin et al., 2022] China 20 self-administered 120 V α = 0.87 (+) 120 A ICC = 0.72 to 0.81 (+)      
  [Gal et al., 2022] Netherlands 20 self-administered 147 V α = 0.68 (?) 43 V ICC  = 0.78 to 0.93 (+)      
  [Versteeg, 2018] Canada and USA 20 not clearly reported       243 D r = 0.88 (−). 243 V 2 Items deleted: Got things I want F(5) = 4.01; p = 0.002; and Change nothing in life F(5) = 11.20; P = 0.000 (+)
SWLS [Post, 2012] Netherlands 5 self-report 225 V α = 0.83 (?)            
  [Geyh, 2010] Australia, Brazil, Canada, Israel, South Africa, and USA 5 not clearly reported       243 D r =  0.78 (?) 243 V Merged item 1 and 5 F(5) = 1.47; p = 0.200 (+)
WHOQOL-5 [Geyh, 2010] Australia, Brazil, Canada, Israel, South Africa, and USA 5 not clearly reported       243 D r = 0.78 (?) 243 V Merged item 1 and 5 F(5) = 1.47; p = 0.200 (+)
WHOQOL-BREF [Lin, 2007] Taiwan 28 telephone interviews 187 V α = 0.75-0.87 (?) 187 I ICC intra-evaluator =  0.84-0.98; ICC inter =  0.56-0.95 (+)      
  [Salvador-De La Barrera, 2018] Spain 26 interview 54 V α = 0.887 (?) 54 A ICC = 0.85 (+)      
  [Lee, 2017]       85 patients (SCI = 58, stroke = 27). V α = 0.896 (?) 85 patients (SCI = 58, stroke = 27). A r = 0.896; p < 0.01 (?)      
  [Odole, 2018] Nigeria 26 self-administered       49 individuals with SCI and 49 controls A r = 0.322 to 0.766; p < 0.01 (?)      
WHOQOL-DIS [Lee, 2017] Korea 39 interview 85 patients (SCI = 58, stroke = 27). V α = 0.737 (+) 85 patients (SCI = 58, stroke = 27). A r = 0.759; p < 0.01 (?) 85 patients (SCI = 58, stroke = 27). V no data reported (?)

Overall rating: + = sufficient; − = insufficient; ? = indeterminate; V = very good; A = adequate; D = doubtful; I = inadequate r = Pearson correlation; LOA = Limits of Agreement; ICC = intraclass correlation coefficient; α = Cronbach alpha; CI = Confidence Interval. ATD PA, Assistive Technology Device Predisposition Assessment; BRFSS, Behavioral Risk Factor Surveillance Survey; I-QOL, Incontinence Quality of Life Questionnaire; IADL, Instrumental activities of daily living; IBMSSP – EFAPD; Item Bank to Measure Systems, Services, and Policies: Environmental Factors Affecting People With Disabilities; KHQ, King’s Health questionnaire; LiSat-9, Life Satisfaction Questionnaire; LS Questions, Life Satisfaction questions; SF-36, Medical Outcomes Short-Form Health Survey; SF-12, Medical Outcomes Short-Form Health Survey – 12-Item Short Form; SF-36V, Medical Outcomes Short-Form Health Survey – Physical Functioning Scale for Use With Veterans With Spinal Cord Injury; SF-6D, Medical Outcomes Short-Form Health Survey – 6 dimensions; NBD – Neurogenic Bowel Dysfunction; NBSS – Neurogenic Bladder Symptom Score Questionnaire; PRISM, Patient Reported Impact of Spasticity Measure; PWI, Personal Well-Being Index; QLI-SCI, Quality of Life Index-Spinal Cord Injury version; QOLP-PD, Quality of Life Profile for Adults with Physical Disabilities; QWB, Quality of Well-Being scale; Qualiveen – SF, Qualiveen Short Form; SWLS, Satisfaction with Life Scale; SWBI, Sense of Well-Being Inventory; SCI QoL version 2.0 – International Spinal Cord Injury Quality of Life Basic Data Set version 2.0; SCIQL-23, 23-item Spinal Cord Injury – specific Health Related Quality of Life questionnaire; SCI-QOL Pressure Ulcers, Spinal Cord Injury – Quality of Life Pressure Ulcers; SCI-QOL Pressure Ulcers SF, SCI-QOL 7-item short form (SF) Pressure Ulcers; SCI-QOL Anxiety, Spinal Cord Injury – Quality of Life Anxiety; SCI-QOL Economic, Spinal Cord Injury – Quality of Life Economic; SCI-QOL Depression, Spinal Cord Injury – Quality of Life Depression; SCI-QOL PAWB, Spinal Cord Injury – Quality of Life Positive Affect and Well-being; SCI-QOL Self-esteem, Spinal Cord Injury – Quality of Life Self-esteem; SCI-QOL Grief and Loss, Spinal Cord Injury – Quality of Life Grief and Loss; SCI-QOL Psychological Trauma, Spinal Cord Injury – Quality of Life Psychological Trauma; SCI-QOL Resilience, Spinal Cord Injury – Quality of Life Resilience; SCI-QOL Bladder Management Difficulties, Spinal Cord Injury – Quality of Life Bladder Management Difficulties; SCI-QOL Bowel Management Dificulties, Spinal Cord Injury – Quality of Life Bowel Management Dificulties; SCI-QOL Bladder Complications, Spinal Cord Injury – Quality of Life Bladder Complications; SCI-QOL APSSRA, Spinal Cord Injury – Quality of Life Ability to Participate and Satisfactions with Social Roles and Activities(APSSRA); SCI-QOL – Stigma, Spinal Cord Injury – Quality of Life – Stigma; SCI-QOL – Stigma SF, Spinal Cord Injury – Quality of Life – Stigma Short Form; SOSGOQ, Spine Oncology Study Group Outcomes; WHOQOL-5, 5 satisfaction items from the World Health Organization Quality of Life; Assessment; WHOQOL-BREF, World Health Organization Quality of Life – Bref version; WHOQOL-DIS, World Health Organization Quality of Life – Disabilities module.