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Table 3 Linear regression analysis of SF-36 dimensions (n = 191)

From: Effects of illness perceptions on health-related quality of life in patients with rheumatoid arthritis in China

 

PF

RP

BP

GH

VT

SF

RE

MH

Total SF-36

Age

R2

0.166

0.025

0.045

0.037

0.068

0.053

0.035

0.007

0.078

β

− 0.047

− 0.159

− 0.211

− 0.193

− 0.261

− 0.229

− 0.187

− 0.085

− 0.280

P

0.001

0.028

0.003

0.007

0.001

0.001

0.009

0.244

0.001

Disease duration

R2

0.089

0.033

0.058

0.048

0.061

0.063

0.028

0.000

0.069

β

− 0.298

− 0.182

− 0.241

− 0.218

− 0.247

− 0.251

− 0.168

− 0.016

− 0.263

P

0.001

0.012

0.001

0.002

0.001

0.001

0.020

0.829

0.001

DAS28

R2

0.619

0.270

0.672

0.317

0.412

0.512

0.210

0.232

0.632

β

− 0.787

− 0.520

− 0.820

− 0.563

− 0.641

− 0.716

− 0.459

− 0.481

− 0.795

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

BIPQ–1 Consequences

R2

0.221

0.102

0.249

0.187

0.231

0.199

0.073

0.142

0.266

β

− 0.470

− 0.319

− 0.499

− 0.433

− 0.481

− 0.446

− 0.270

− 0.377

− 0.516

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

BIPQ–2 Timeline

R2

0.055

0.083

0.111

0.100

0.057

0.085

0.066

0.013

0.114

β

− 0.235

− 0.288

− 0.334

− 0.317

− 0.240

− 0.291

− 0.256

− 0.114

− 0.338

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.115

0.001

BIPQ–3 Personal control

R2

0.113

0.031

0.090

0.142

0.102

0.104

0.059

0.038

0.127

β

0.336

0.175

0.299

0.377

0.320

0.322

0.243

0.196

0.356

P

0.001

0.015

0.001

0.001

0.001

0.001

0.001

0.007

0.001

BIPQ–4 Treatment control

R2

0.006

0.014

0.002

0.023

0.010

0.007

0.025

0.004

0.018

β

0.076

0.120

0.049

0.153

0.101

0.085

0.159

0.059

0.134

P

0.298

0.097

0.499

0.035

0.165

0.242

0.028

0.414

0.066

BIPQ–5 Identity

R2

0.257

0.174

0.300

0.173

0.221

0.244

0.138

0.126

0.330

β

− 0.507

− 0.417

− 0.547

− 0.416

− 0.470

− 0.494

− 0.372

− 0.355

− 0.574

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

BIPQ–6 Illness concern

R2

0.008

0.020

0.023

0.028

0.021

0.007

0.017

0.006

0.025

β

− 0.090

− 0.141

− 0.151

− 0.166

− 0.146

− 0.082

− 0.131

− 0.079

− 0.158

P

0.216

0.052

0.037

0.022

0.044

0.261

0.071

0.276

0.029

BIPQ–7 Coherence

R2

0.030

0.000

0.008

0.000

0.002

0.016

0.001

0.019

0.009

β

0.174

− 0.018

0.090

− 0.003

0.048

0.128

0.038

0.137

0.093

P

0.016

0.802

0.216

0.963

0.511

0.078

0.601

0.059

0.203

BIPQ–8 Emotional response

R2

0.235

0.158

0.276

0.245

0.270

0.282

0.165

0.266

0.376

β

− 0.484

− 0.397

− 0.525

− 0.495

− 0.519

− 0.531

− 0.406

− 0.515

− 0.613

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

Overall BIPQ

R2

0.350

0.206

0.386

0.334

0.333

0.354

0.210

0.212

0.476

β

− 0.592

− 0.454

− 0.621

− 0.578

− 0.577

− 0.595

− 0.458

− 0.461

− 0.690

P

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

0.001

  1. We use only variables with 0.1 from above and we selection of independent variables for subsequent multiple regression analyses was based on these analyses