Table 5 Logistic Regression Models on second breast screening uptake against different variables and different constructs

Model 1: Demographics

100%

0%

 Age

-0.154

0.084

3.329

0.068

0.858

0.727, 1.011

 Constant

7.926

4.905

2.611

0.106

2769.527

Model 2: Health Status

100%

0%

 Breast condition

-1.093

0.526

4.315

0.038

0.335

0.119, 0.940

 Constant

0.893

0.940

0.902

0.342

2.441

Model 3: Health Beliefs

93.2%

30.8%

 No possibility of getting breast cancer

1.064

0.474

5.030

0.025

2.897

1.144, 7.338

 Fear of unknown procedure^a

0.563

0.388

2.102

0.147

1.755

0.820, 3.756

 GP advice

-1.145

0.562

4.158

0.041

0.318

0.106, 0.956

 Constant

0.480

2.717

0.031

0.860

1.617

Model 4: Illness Perceptions

89.2%

69.2%

 Breast swelling, dimpling, redness or soreness of the skin

-1.796

0.720

6.215

0.013

0.166

0.040, 0.681

 Diet

-1.029

0.312

10.873

0.001

0.357

0.194, 0.659

 Altered immunity

1.462

0.568

6.610

0.010

4.313

1.415, 3.141

 Whole life would change

-1.334

0.533

6.257

0.012

0.263

0.093, 0.749

 Constant

9.082

3.931

5.337

0.021

8796.855

Model 5: Health Beliefs and Illness Perceptions

89.2%

69.2%

 Breast swelling, dimpling, redness or soreness of the skin

-1.796

0.720

6.215

0.013

0.166

0.040, 0.681

 Diet

-1.029

0.312

10.873

0.001

0.357

0.194, 0.659

 Altered immunity

1.462

0.568

6.610

0.010

4.313

1.415, 3.141

 Whole life would change

-1.334

0.533

6.257

0.012

0.263

0.093, 0.749

 Constant

9.082

3.931

5.337

0.021

8796.855

Model 6: Health Beliefs and Illness Perceptions

95.9%

84.6%

 Early detection

5.699

2.097

7.390

0.007

298.646

4.904, 18,187.040

 If early detection, treatment not as bad^b

12.267

7.293

2.830

0.093

2.126 × 10⁵

0.132, 3.427 × 10¹¹

 Having mammography decreases chances of dying^b

-8.890

6.724

1.748

0.186

0.000

0.000, 72.821

 Fear of unknown procedure

5.210

1.842

8.003

0.005

183.103

4.955, 6765.914

 Unnecessary radiation

4.471

1.655

7.301

0.007

87.419

3.414, 2238.732

 Breast swelling, dimpling, redness or soreness of the skin

-8.961

3.119

8.252

0.004

0.000

0.000, 0.058

 Personality

-5.566

2.295

5.885

0.015

0.004

0.000, 0.343

 Diet

-5.558

1.946

8.160

0.004

0.004

0.000, 0.175

 Germ or virus

-5.721

2.168

6.967

0.008

0.003

0.000, 0.229

 Altered immunity

8.217

2.860

8.254

0.004

3705.048

13.620, 1.008 × 10⁶

 Breast cancer last short time

-2.623

1.042

6.340

0.012

0.073

0.009, 0.559

 Affects the way others see you

3.105

1.286

5.831

0.016

22.305

1.795, 277.210

 Whole life would change

-9.738

3.266

8.888

0.003

0.000

0.000, 0.036

 You get worried if breast cancer occurs

2.444

1.199

4.159

0.041

11.521

1.100, 120.694

 Constant

14.947

26.502

0.318

0.573

3.102 × 10⁶

Model 7: The 14 constructs

94.6%

30.0%

 Perceived barriers

0.155

0.054

8.305

0.004

0.167

1.051, 1.296

 Breast cancer identity

-0.231

0.120

3.691

0.055

0.794

0.627, 1.005

 Causes of breast cancer^c

-0.070

0.040

3.022

0.082

0.932

0.861, 1.009

 Consequences^c

-0.204

0.116

3.082

0.079

0.815

0.649, 1.024

 Constant

11.286

4.983

5.129

0.024

79,721.454