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Table 4 Construct validity: comparison of Pearson correlation coefficients (rp) across SF-12/VR-12 and SF-36/VR-36

From: Translation and adaptation of the German version of the Veterans Rand—36/12 Item Health Survey

Physical component score (PCS)

PCSSF-12

PCSVR-12

SF-12-VR-12

p-value

PCSSF-36

PCSVR-36

SF-36-VR-36

p-value

Generic

        

EQ VAS

0.480

0.327

0.153

0.052

0.348

0.328

0.020

0.420

IMET

 − 0.499

 − 0.514

0.015

0.429

 − 0.362

 − 0.457

0.095

0.155

GCPS Pain

 − 0.514

 − 0.620

0.106

0.082

 − 0.420

 − 0.412

 − 0.008

0.466

Convergent

        

HFAQ

0.670

0.759

 − 0.089

0.052

0.746

0.660

0.086

0.064

CDC Physical healthy days

 − 0.604

 − 0.669

0.065

0.165

 − 0.569

 − 0.554

 − 0.015

0.423

GCPS Pain Intensity

 − 0.547

 − 0.624

0.077

0.149

 − 0.664

 − 0.632

 − 0.032

0.312

GCPS Pain Disability

 − 0.581

 − 0.615

0.034

0.319

 − 0.661

 − 0.586

 − 0.075

0.137

Divergent

        

DASS Anxiety

 − 0.156

0.003

 − 0.159

0.085

0.143

 − 0.094

0.237

0.017

DASS Depression

0.023

0.124

 − 0.101

0.183

0.164

 − 0.005

0.169

0.065

DASS Stress

0.063

0.109

 − 0.046

0.340

0.297

0.104

0.193

0.036

IRES-VT

0.106

 − 0.082

0.188

0.415

 − 0.151

 − 0.015

 − 0.136

0.111

CDC Mentally healthy days

0.174

0.119

0.055

0.309

0.234

0.118

0.116

0.493

Mental component score (MCS)

MCSSF-12

MCSVR-12

SF-12-VR-12

p-value

MCSSF-36

MCSVR-36

SF-36-VR-36

p-value

Generic

        

EQ VAS

0.311

0.321

 − 0.010

0.461

0.282

0.451

 − 0.169

0.041

IMET

 − 0.420

 − 0.426

0.006

0.474

 − 0.392

 − 0.490

0.098

0.139

GCPS Pain

 − 0.172

 − 0.062

 − 0.110

0.162

0.013

 − 0.080

0.093

0.204

Divergent

        

HFAQ

0.054

 − 0.137

0.191

0.045

 − 0.141

0.036

 − 0.177

0.057

CDC Physical healthy days

 − 0.046

0.064

 − 0.110

0.166

0.020

 − 0.146

0.166

0.069

GCPS Pain Intensity

 − 0.154

 − 0.013

 − 0.141

0.069

0.091

 − 0.100

0.191

0.044

GCPS Pain Disability

0.072

 − 0.031

0.103

0.182

0.022

 − 0.159

0.181

0.052

Convergent

        

DASS Depression

 − 0.772

 − 0.729

 − 0.043

0.192

 − 0.788

 − 0.734

 − 0.054

0.126

DASS Anxiety

 − 0.524

 − 0.596

0.072

0.177

 − 0.603

 − 0.609

0.006

0.466

DASS Stress

 − 0.673

 − 0.702

0.029

0.314

 − 0.796

 − 0.729

 − 0.067

0.076

IRES-VT

0.701

0.784

 − 0.083

0.050

0.806

0.763

0.043

0.159

CDC Mentally healthy days

 − 0.744

 − 0.746

0.002

0.484

 − 0.684

 − 0.704

0.020

0.366

  1. CDC healthy days, EQ-5D-5L EuroQol-5 Dimensions, HFAQ Hannover Functional Ability Questionnaire, IMET Index of the Assessment of Health Impairments, IRES-VT Subscale Vitality of the Indicators of Rehabilitation Status, GCPS Graded Chronic Pain Scale, SF-12 Short-Form 12 Items Health Survey, SF-36 Short Form 36 Items Health Survey, VR-12 Veterans Rand 12 Items Health Survey, VR-36 Veterans Rand 36 Items Health Survey; p-value for the comparison of two correlation coefficients from independent samples [63]