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Table 3 Stepwise regression a of baseline scores for the MHAQ, NRS fatigue, NRS pain and SF-36 on baseline scores for the RD-IPQ and other variables (n= 118)

From: Illness perceptions in patients receiving rheumatology rehabilitation: association with health and outcomes at 12 months

Dependent vbl

Independent vbls

Regression coefficient

Standard error

t

Significance level

R2b

MHAQc

RD-IPQd

0.007

0.002

3.73

.000

0.241

 

SF-36 role physical

−0.005

0.001

−4.12

.000

0.318

 

Male

0.207

0.078

2.63

.010

0.357

 

(Constant)

0.253

0.154

1.64

.104

 

NRS e fatigue

SF-36 social function

−0.030

0.008

−3.88

.000

0.175

 

NRS pain

0.439

0.102

4.28

.000

0.252

 

Inflamm disease

1.249

0.386

3.23

.002

0.315

 

(Constant)

5.464

0.898

6.09

.000

 

NRS pain

SF-36 role-physical

−0.027

0.007

−4.22

.000

0.325

 

RD-IPQ

0.052

0.012

4.44

.000

0.435

 

NRS fatigue

0.202

0.061

3.29

.001

0.463

 

SF-36 mental health

0.022

0.008

2.62

.010

0.486

 

Inflamm disease

−0.733

0.283

−2.59

.011

0.515

 

(Constant)

1.199

1.222

0.98

.329

 

SF-36f role-physical

NRS pain

−3.983

0.862

−4.62

.000

0.325

 

MHAQ

−18.928

4.807

−3.94

.000

0.410

 

SF-36 social function

0.214

0.073

2.92

.004

0.471

 

Male

13.968

4.546

3.07

.003

0.496

 

SF-36 role-emotional

0.228

0.067

3.39

.001

0.521

 

Higher education

−7.430

3.017

−2.46

.015

0.544

 

SF-36 mental health

−0.233

0.113

−2.06

.042

0.561

 

(Constant)

65.055

8.69

7.49

.001

 

SF-36 social function

SF-36 mental health

0.593

0.098

6.06

.000

0.305

 

SF-36 role-physical

0.312

0.078

3.98

.000

0.416

 

NRS fatigue

−2.541

0.768

−3.31

.001

0.466

 

Age

0.385

0.172

2.25

.027

0.489

 

(Constant)

0.525

13.858

0.04

.970

 

SF-36 role-emotional

SF-36 mental health

0.846

0.111

7. 60

.000

0.389

 

SF-36 role-physical

0.393

0.088

4.48

.000

0.478

 

No. yrs diagnosed

−0.545

0.261

−2.09

.039

0.497

 

(Constant)

−1.24

8.493

−0.15

.885

 

SF-36 mental health

SF-36 role-emotional

0.260

0.046

5.63

.000

0.389

 

SF-36 social function

0.216

0.054

3.99

.000

0.490

 

RD-IPQ

−0.389

0.108

−3.62

.000

0.516

 

NRS pain

2.132

0.719

2.96

.004

0.551

 

(Constant)

48.990

8.773

5.58

.000

 
  1. a Variables are listed in the order in which they entered the equations and the results.
  2. b Proportion of variation that these variables account for in dependent variable scores.
  3. c MHAQ is scored from 0–3; 3 is the greatest overall disability.
  4. d RD-IPQ is scored from 0 to 100 where 100 is worst possible illness perceptions.
  5. e NRS scales are scored from 0–10; 0 is no pain and fatigue,10 is the worst pain and fatigue.
  6. f SF-36 scales are scored from 0 to100 where 100 is the best possible health.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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