Table 1 Item analysis of all attitude, barriers, and norms items

Attitude

A1

Important - Unimportant

5234

87.7

0.64

.722

.908

.793

A2

A good thing - A bad thing

5156

89.1

0.51

.758

.930

A3

Comfortable - Uncomfortable

5000

47.5

1.14

.374

.375

A4

Advantageous - Disadvantageous

5075

82.6

0.69

.678

.752

Barriers: assumptions about MSP

B1

Uncomfortable with body being touched during examination

5244

34.1

1.85

.301

.569

.525 (only items B1, B2, B3, B6)

B2

Afraid of pain during MS

5253

35.9

2.09

.367

.666

B3

Got conflicting advice regarding MSP

5194

25.5

1.95

.349

.345

B4

See the course of disease as predetermined

5171

22.3

1.51

.229

-

B5

Don’t want to know whether something is wrong

5238

9.3

0.85

.255

-

B6

Insecure what to expect

5229

35.4

2.15

.288

.471

B7

Radiation of MS is harmful

5146

34.3

1.42

.299

-

B8

Feel obliged through the invitation

5237

74.6

2.15

-.210

-

B9

Have trust in the MSP

5235

31.1

1.79

.115

-

Barriers: importance of MSP

B10

Other problems more important than MS

5249

15.9

1.20

.326

.730

.583 (only items B10, B11)

B11

No time for appointment

5219

7.4

0.65

.421

.517

B12

Am on holiday/abroad

5163

1.3

0.14

.205

-

B13

Have language problems

5188

1.3

0.15

.193

-

B14

Financial costs are too high

5097

5.8

0.56

.345

-

B15

Problems getting to the screening unit

5198

4.0

0.41

.332

-

Norms

N1

Gynecologist

2992

94.1

0.45

.539

.519

.795

N2

General practitioner

1130

92.2

0.54

.560

.572

N3

Partner

2306

91.7

0.60

.590

.673

N4

Relatives

1965

83.7

1.03

.637

.732

N5

Friends/acquaintances

2812

81.3

1.12

.621

.610