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Table 3 Generalised linear models of socio-demographic and clinical predictors of KDQOL scores (n = 100)

From: Health-Related Quality of Life in pre-dialysis patients with chronic kidney disease: the role of Big-Five personality traits and illness denial

  

95% CI

  
 

B

Lower

Upper

Wald’s χ2(1)

p-value

Outcome: KDQOL-SF list of symptoms/problems

Intercept

101.897

66.975

136.820

32.705

.000

Females

− 5.184

− 11.263

.895

2.793

.095

Males

0a

    

Age (years)

− .271

− .569

.027

3.172

.075

Cardiovascular respiratory diseases

− 2.086

− 8.756

4.584

.376

.540

Dysmetabolism

.592

− 5.270

6.454

.039

.843

STAI-Y Trait

− .653

− .979

− .327

15.394

.000

IDQ denial of negative emotions

.574

− 1.186

2.334

.408

.523

IDQ resistance to change

.332

− 1.344

2.008

.151

.698

IDQ conscious avoidance

− .964

− 2.260

.333

2.123

.145

I-TIPI-R extraversion

− .247

− 1.279

.786

.219

.640

I-TIPI-R agreeableness

.671

− .484

1.826

1.296

.255

I-TIPI-R conscientiousness

.019

− .996

1.035

.001

.970

I-TIPI-R neuroticism

1.242

− .068

2.552

3.456

.063

I-TIPI-R openness

1.597

.405

2.789

6.892

.009

Outcome: KDQOL-SF effects of kidney disease

Intercept

68.966

41.284

96.648

23.844

.000

Females

2.528

− 2.291

7.346

1.057

.304

Males

0a

    

Age (years)

.056

− .180

.293

.220

.639

Cardiovascular respiratory diseases

− 2.511

− 7.798

2.776

.866

.352

Dysmetabolism

1.704

− 2.942

6.351

.517

.472

STAI-Y Trait

− .156

− .415

.102

1.405

.236

IDQ denial of negative emotions

1.536

.141

2.931

4.657

.031

IDQ resistance to change

.380

− .949

1.709

.314

.575

IDQ Conscious Avoidance

.097

− .931

1.124

.034

.854

I-TIPI-R Extraversion

.169

− .650

.988

.164

.686

I-TIPI-R agreeableness

.028

− .887

.944

.004

.952

I-TIPI-R conscientiousness

.481

− .323

1.286

1.375

.241

I-TIPI-R neuroticism

− .119

− 1.157

.920

.050

.823

I-TIPI-R openness

.571

− .374

1.516

1.402

.236

Outcome: KDQOL-SF burden of kidney disease

Intercept

76.422

11.214

141.629

5.276

.022

Females

7.293

− 4.057

18.644

1.586

.208

Males

0a

    

Age (years)

− .928

− 1.484

− .371

10.674

.001

Cardiovascular respiratory diseases

4.128

− 8.326

16.582

.422

.516

Dysmetabolism

5.766

− 5.180

16.711

1.066

.302

STAI-Y Trait

− .188

− .797

.422

.364

.546

IDQ denial of negative emotions

6.017

2.731

9.304

12.879

.000

IDQ resistance to change

.415

− 2.715

3.544

.067

.795

IDQ Conscious Avoidance

.796

− 1.624

3.217

.416

.519

I-TIPI-R extraversion

− .122

− 2.050

1.807

.015

.902

I-TIPI-R agreeableness

1.816

− .341

3.972

2.723

.099

I-TIPI-R conscientiousness

− 1.256

− 3.151

.639

1.687

.194

I-TIPI-R neuroticism

1.768

− .678

4.214

2.007

.157

I-TIPI-R openness

1.077

− 1.150

3.303

.899

.343

Outcome: KDQOL-SF work status

Intercept

80.338

36.396

124.280

12.841

.000

Females

6.622

− 1.026

14.271

2.880

.090

Males

0a

    

Age (years)

− 1.113

− 1.488

− .738

33.839

.000

Cardiovascular respiratory diseases

5.411

− 2.982

13.803

1.597

.206

Dysmetabolism

8.200

.824

15.576

4.748

.029

STAI-Y Trait

.211

− .200

.622

1.015

.314

IDQ denial of negative emotions

1.920

− .295

4.134

2.886

.089

IDQ resistance to change

− .161

− 2.270

1.948

.022

.881

IDQ conscious avoidance

− .754

− 2.385

.877

.821

.365

I-TIPI-R extraversion

1.591

.291

2.891

5.757

.016

I-TIPI-R agreeableness

.501

− .952

1.954

.456

.499

I-TIPI-R conscientiousness

.678

− .599

1.956

1.084

.298

I-TIPI-R Neuroticism

.956

− .692

2.604

1.293

.256

I-TIPI-R Openness

− .412

− 1.912

1.089

.289

.591

Outcome: KDQOL-SF cognitive function

Intercept

122.271

85.752

158.791

43.062

.000

Females

5.403

− .954

11.759

2.775

.096

Males

0a

    

Age (years)

− .851

− 1.163

− .539

28.621

.000

Cardiovascular respiratory diseases

− 5.725

− 12.700

1.250

2.588

.108

Dysmetabolism

5.101

− 1.029

11.231

2.660

.103

STAI-Y Trait

− .708

− 1.049

− .367

16.539

.000

IDQ denial of negative emotions

3.766

1.926

5.607

16.088

.000

IDQ resistance to change

− .177

− 1.930

1.575

.039

.843

IDQ conscious avoidance

− .926

− 2.282

.430

1.791

.181

I-TIPI-R Extraversion

.840

− .240

1.920

2.324

.127

I-TIPI-R Agreeableness

1.609

.401

2.817

6.820

.009

I-TIPI-R conscientiousness

− .105

− 1.166

.957

.038

.846

I-TIPI-R neuroticism

1.884

.514

3.254

7.265

.007

I-TIPI-R Openness

.044

− 1.202

1.291

.005

.944

Outcome: KDQOL-SF quality of social interaction

Intercept

77.835

37.610

118.059

14.383

.000

Females

9.520

2.519

16.522

7.102

.008

Males

0a

    

Age (years)

− .076

− .419

.267

.189

.664

Cardiovascular respiratory diseases

− 3.431

− 11.114

4.252

.766

.381

Dysmetabolism

5.909

− .843

12.661

2.942

.086

STAI-Y Trait

− .523

− .899

− .148

7.452

.006

IDQ denial of negative emotions

.201

− 1.826

2.228

.038

.846

IDQ resistance to change

.578

− 1.352

2.509

.345

.557

IDQ conscious avoidance

− .307

− 1.800

1.187

.162

.687

I-TIPI-R extraversion

.532

− .657

1.722

.769

.381

I-TIPI-R agreeableness

1.425

.094

2.755

4.406

.036

I-TIPI-R conscientiousness

− .664

− 1.833

.505

1.240

.266

I-TIPI-R neuroticism

.568

− .941

2.077

.544

.461

I-TIPI-R Openness

− .061

− 1.434

1.313

.007

.931

Outcome: KDQOL-SF sexual function

Intercept

45.279

30.774

59.785

37.430

.000

Females

14.468

10.541

18.396

52.131

.000

Males

0a

    

Age (years)

− .533

− .624

− .443

133.794

.000

Cardiovascular respiratory diseases

.862

− 1.987

3.711

.352

.553

Dysmetabolism

15.319

13.329

17.308

227.772

.000

STAI-Y Trait

.060

− .099

.219

.541

.462

IDQ Denial of Negative Emotions

− .577

− 1.267

.113

2.689

.101

IDQ Resistance to change

4.865

4.037

5.694

132.515

.000

IDQ conscious avoidance

.253

− .213

.719

1.134

.287

I-TIPI-R extraversion

1.729

.959

2.500

19.337

.000

I-TIPI-R agreeableness

1.286

.762

1.811

23.105

.000

I-TIPI-R conscientiousness

.950

.546

1.353

21.279

.000

I-TIPI-R Neuroticism

.759

.425

1.092

19.873

.000

I-TIPI-R Openness

− .049

− 1.097

.999

.008

.927

Outcome: KDQOL-SF sleep

Intercept

79.792

37.214

122.370

13.491

.000

Females

7.072

− .340

14.483

3.497

.061

Males

0a

    

Age (years)

.065

− .299

.428

.122

.727

Cardiovascular respiratory diseases

6.700

− 1.432

14.832

2.607

.106

Dysmetabolism

− 5.136

− 12.283

2.011

1.984

.159

STAI-Y Trait

− .592

− .990

− .194

8.508

.004

IDQ denial of negative emotions

1.858

− .288

4.004

2.880

.090

IDQ resistance to change

− 1.249

− 3.292

.795

1.434

.231

IDQ conscious avoidance

1.160

− .420

2.741

2.070

.150

I-TIPI-R extraversion

.519

− .740

1.779

.653

.419

I-TIPI-R Agreeableness

.149

− 1.259

1.557

.043

.835

I-TIPI-R conscientiousness

− .975

− 2.213

.262

2.385

.122

I-TIPI-R neuroticism

− .865

− 2.462

.732

1.126

.289

I-TIPI-R openness

.064

− 1.389

1.518

.008

.931

Outcome: KDQOL-SF social support

Intercept

81.998

20.471

143.525

6.823

.009

Females

− 5.310

− 16.020

5.400

.944

.331

Males

0a

    

Age (years)

.233

− .292

.758

.755

.385

Cardiovascular respiratory diseases

− 5.952

− 17.704

5.799

.986

.321

Dysmetabolism

4.977

− 5.350

15.305

.892

.345

STAI-Y Trait

− .748

− 1.323

− .173

6.507

.011

IDQ denial of negative emotions

1.981

− 1.120

5.081

1.567

.211

IDQ resistance to change

− 1.697

− 4.650

1.256

1.268

.260

IDQ conscious avoidance

− 2.980

− 5.264

− .695

6.537

.011

I-TIPI-R extraversion

1.581

− .238

3.401

2.901

.089

I-TIPI-R agreeableness

1.054

− .981

3.089

1.031

.310

I-TIPI-R conscientiousness

− 1.014

− 2.802

.774

1.235

.266

I-TIPI-R neuroticism

1.445

− .863

3.753

1.506

.220

I-TIPI-R openness

− 1.150

− 3.251

.950

1.152

.283

Outcome: KDQOL-SF Kidney disease component summary score

Intercept

76.649

35.994

117.303

13.655

.000

Females

− 3.026

− 10.103

4.050

.703

.402

Males

0a

    

Age (years)

− .098

− .445

.249

.308

.579

Cardiovascular respiratory diseases

− 9.801

− 17.566

− 2.036

6.121

.013

Dysmetabolism

− .963

− 7.787

5.861

.076

.782

STAI-Y Trait

− .649

− 1.029

− .269

11.210

.001

IDQ denial of negative emotions

− .049

− 2.097

2.000

.002

.963

IDQ resistance to change

.969

− .982

2.920

.948

.330

IDQ conscious avoidance

− 1.231

− 2.740

.278

2.555

.110

I-TIPI-R extraversion

.356

− .847

1.558

.336

.562

I-TIPI-R agreeableness

1.329

− .016

2.673

3.751

.053

I-TIPI-R conscientiousness

− .428

− 1.610

.754

.503

.478

I-TIPI-R neuroticism

1.479

− .046

3.004

3.611

.057

I-TIPI-R openness

.484

− .904

1.872

.468

.494

  1. CI Confidence Interval; IDQ Illness Denial Questionnaire; I-TIPI-R Italian Ten Item Personality Inventory Revised; KDQOL-SF Kidney Disease Quality of Life-Short Form; STAI-Y State-Trait Anxiety Inventory-Y form
  2. aParameter set at 0 because redundant in the model