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Table 4 Model III and Model IV estimation of young people's preferences for integrated FP and HIV outreach services

From: Designing a package of sexual and reproductive health and HIV outreach services to meet the heterogeneous preferences of young people in Malawi: results from a discrete choice experiment

 

Model III (GMXL-Correlated)

Model IV (GMXL WTP-Space)

 

Coefficient

SE a

StdD a,b

SE a,b

Coefficient

SE a

StdD a,b

SE a,b

Random Design Parameters

        

Provider Age (Older)

−0.228**

0.111

0.198*

0.104

−17.45

14.25

7.98

10.48

Provider Gender (Female)

0.146

0.101

0.034

0.082

−16.18

16.30

20.93

14.81

Confidential Service

2.609***

0.275

2.042***

0.118

441.10***

47.83

309.80***

29.56

HCT and ART Available

0.611***

0.146

0.844***

0.096

161.36***

25.927

163.70***

20.47

Sports for Youth

0.952***

0.267

0.655***

0.165

65.27*

35.40

60.07*

35.90

Music and Drama

−0.282

0.260

0.711***

0.209

−6.43

39.55

59.33*

31.76

Health Talk

0.395*

0.238

0.622***

0.226

60.30

36.82

52.06**

21.56

Price

−0.006***

0.001

0.008***

0.001

    

Price in preference space form

    

−0.01***

0.002

0.01***

0.001

Fixed Parameter

        

Alternative Specific Constant

−2.529***

0.059

  

−2.67***

0.067

  

Price in WTP-Space

    

1

   

Interaction Terms

        

Prov. Older: Resp. Female

0.088

0.115

  

13.34

16.20

  

Prov. Older: Resp. Older

−0.095

0.124

  

−8.43

18.13

  

Prov. Older: In Relationship

−0.070

0.118

  

7.45

16.50

  

Prov. Female: Resp. Female

−0.098

0.106

  

−18.91

15.64

  

Prov. Female: Resp. Older

−0.011

0.103

  

−1.26

15.47

  

Prov. Female : In Relationship

0.060

0.107

  

7.05

17.07

  

Confidentiality: Resp. Female

−0.476***

0.179

  

−4.45

21.41

  

Confidentiality: Resp. Older

−0.317*

0.172

  

−15.18

20.26

  

Confidentiality: In Relationship

0.850***

0.204

  

57.14**

23.64

  

HIV Services: Resp. Female

0.160

0.141

  

26.28

25.13

  

HIV Services: Resp. Older

−0.285**

0.144

  

−9.04

24.41

  

HIV Services: In Relationship

0.416***

0.159

  

4.68

25.54

  

Sports: Resp. Female

−0.424*

0.233

  

−25.85

25.44

  

Sports: Resp. Older

0.282

0.254

  

25.92

33.24

  

Sports: In Relationship

−0.092

0.257

  

−15.47

29.60

  

Music: Resp. Female

0.146

0.262

  

16.67

39.14

  

Music: Resp. Older

−0.278

0.296

  

−14.87

43.58

  

Music: In Relationship

0.212

0.252

  

19.93

40.58

  

Health Talk: Resp. Female

−0.220

0.252

  

16.45

39.99

  

Health Talk: Resp. Older

−0.164

0.261

  

−12.81

41.12

  

Health Talk: In Relationship

−0.110

0.257

  

−6.37

43.69

  

Price: Resp. Female

−0.001

0.001

  

−0.17

0.11

  

Price: Resp. Older

0.001

0.001

  

−0.03

0.10

  

Price: In Relationship

0.002**

0.001

  

−0.01

0.12

  

Variance parameter in scale (Ï„)

0.997***

0.067

  

1.37***

0.10

  

Weighting parameter (γ)

0.00041

0.032

  

0

   

Sample mean (σ)

0.976

1.161

  

0.95

1.78

  

Model Fit Statistics

        

Number of individuals

537

   

537

   

Number of observations

6444

   

6444

   

Log Likelihood Function

−3477

   

−3530

   

AIC

7096

   

7187

   

% of responses correctly predicted

62%

   

62%

   
  1. aSE = Standard Error, StdD = Standard Deviation, bOnly for random parameters.
  2. ***p < 0.01; **p < 0.05; *p < 0.1.
  3. Likelihood Ratio Test Between Models 3 and 2: LR3–2 = 47.01χ2 2.0.0.001(13.82).
  4. Likelihood Ratio Test Between Models 4 and 3: LR4–3 = 107.19χ2 8.0.0.001(26.125).