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Table 2 Mean importance of therapy characteristics and factor weightings for the 6-factor model (items sorted by weighting)

From: Patient preferences for HIV/AIDS therapy - a discrete choice experiment

Item No.

Therapy characteristic (short form)

Mean importance

1

2

3

4

5

6

10

Self-application of the drug is possible

94

 

.569

 

.312

 

.328

1

Drug has very high efficacy

94

   

.716

  

18

Long term (hidden) side effects unlikely

92

     

.620

2

Maximum prolongation of life expectancy

90

   

.688

  

4

Drug does not generate resistance

90

  

.383

.599

  

20

Drug does not affect appearance

89

 

.317

  

.410

 

19

Drug improves physical state

89

.400

    

.513

3

Drug allows further therapy options

88

   

.716

  

16

Rarely occurring nausea

86

    

.868

 

17

Rarely occurring diarrhoea

86

    

.842

 

14

Drug can be taken along without problems

85

 

.659

    

7

Long duration of efficacy

85

 

.384

.315

.381

  

6

Long term use of the drug is possible

84

  

.323

.419

  

23

Drug allows improved mobility

82

.789

     

12

Flexible application

82

 

.729

    

21

Emotional and mental state improved

81

.749

     

5

Can be used also in case of comorbidities

80

  

.488

.386

  

13

Simple application: only few tablets

79

 

.736

    

22

Social contact opportunities improved

78

.820

     

24

Drug does not cause additional costs

75

.492

 

.539

   

11

Once daily application

73

 

.703

.362

   

15

Inconspiciuous drug intake

73

.318

.404

   

−.462

25

Treatment does not require much time

71

.600

.345

    

9

Dosing of drug may vary

60

  

.742

   

8

Therapy-free intervals possible

51

  

.713

   

26

Pregnancy allowed

30

  

.524