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동의어 포함

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Title page 1

Contents 7

Preface 4

Foreword 5

Acknowledgements 6

Abbreviations and acronyms 11

Executive summary 12

1. Introduction 14

1.1. The importance of valuing non-fatal health effects 15

1.2. Overview and history of the SWACHE project 15

1.3. Selection of health endpoints covered in the SWACHE project 16

1.4. Implementing surveys in 28 countries 18

1.5. Valuation of morbidity in a consistent manner 19

1.5.1. What does willingness-to-pay capture? 20

1.5.2. Measuring willingness-to-pay through stated-preference surveys 21

1.6. Objectives and contribution of this report 24

References 25

Note 26

2. Recommended values for policy analysis 27

2.1. Average values across countries for the ten health endpoints 28

2.2. Results by health effect 29

2.3. Hypertension 30

2.4. Infertility 31

2.5. Underactive thyroid 32

2.6. Asthma 33

2.7. Miscarriage 35

2.8. Non-fatal cancer 36

2.9. Chronic kidney disease 37

2.10. Very low birth weight 38

2.11. IQ loss in children 39

2.12. Skin sensitisation 40

References 43

Notes 45

3. Drivers of preferences in the valuation of health effects 46

3.1. Drivers of differences in willingness-to-pay among individuals 47

3.1.1. Socio-economic determinants and valuation scenario attributes 47

3.1.2. Example of a psychological and societal determinant 50

3.2. Drivers of differences in willingness-to-pay among countries 52

3.2.1. Country-level income and health system effectiveness, costs and satisfaction 53

3.2.2. Attitudes towards chemicals 55

3.2.3. Perceptions of disease and risk 58

References 59

Notes 61

4. Guidance for use of SWACHE values in cost-benefit analysis 62

4.1. Cost-benefit analysis 63

4.2. Convenience of using WTP and VSC values in CBAs, compared to other metrics 64

4.3. How can SWACHE values be used to calculate benefits? 65

4.4. How can SWACHE values be used in a break-even analysis? 68

4.5. Overview of the use of SWACHE values across institutions 69

References 70

Note 71

5. Applying SWACHE values in other countries and contexts 72

5.1. Applying valuations in other countries 73

5.1.1. Results of the benefit transfer analysis 73

5.1.2. Recommendations 81

5.2. Applying valuations in other contexts 82

References 84

Notes 85

6. Methodological discussion and areas for future research 86

6.1. Ensuring quality of the valuation studies 87

6.2. Validity of benefit transfer analysis approaches 88

6.3. Valuation of multiple health endpoints 88

6.3.1. Valuation of multiple health endpoints 88

6.3.2. Valuation of pre-existing conditions 90

6.3.3. Guidance 91

6.4. Methodological challenges linked to distributional outcomes 91

References 92

Notes 93

Annex A. Recommended values for policy analysis from the surveys and their confidence intervals 94

Annex B. Recommended values for 38 OECD Member countries and South Africa 107

Tables 9

Table 1.1. Overview of the ten health endpoints covered in the first two rounds of SWACHE 19

Table 3.1. The influence of socio-economic variables and scenario attributes on the probability of choosing the safer option 48

Table 4.1. Measuring the benefits of policy intervention in France: An illustrative example using the value of a statistical case of miscarriage 66

Table 4.2. Extract from the switching cost analysis of the United Kingdom regulation on POPs 69

Table 5.1. Characteristics of the transferred population in surveyed countries compared to SWACHE's targeted sample in non-surveyed countries 74

Figures 8

Figure 1.1. Hazard classifications for substances registered under EU REACH 17

Figure 1.2. Health effects assessed across the three rounds of the SWACHE project 18

Figure 1.3. Willingness-to-pay to reduce the risk of developing a disease 21

Figure 1.4. Double-bounded dichotomous choice example from the underactive thyroid survey 23

Figure 1.5. Discrete choice experiment choice card example from the skin sensitisation survey 24

Figure 2.1. Value of a statistical case, by health effect, averaged across countries (USD) 29

Figure 2.2. Values of a statistical case of hypertension by country (USD) 30

Figure 2.3. Values of a statistical case of infertility by country (USD) 31

Figure 2.4. Values of a statistical case of underactive thyroid by country (USD) 32

Figure 2.5. Values of a statistical case of asthma by country (USD) 34

Figure 2.6. Willingness-to-pay per year for one step reduction in asthma severity by country (USD) 35

Figure 2.7. Value of a statistical case of miscarriage by country (USD) 36

Figure 2.8. Values of a statistical case of non-fatal cancer by country (USD) 37

Figure 2.9. Values of a statistical case of chronic kidney disease by country (USD) 38

Figure 2.10. Values of a statistical case of very low birth weight by country (USD) 39

Figure 2.11. Willingness-to-pay per year to avoid one IQ point loss in children by country (USD) 40

Figure 2.12. Willingness-to-pay estimates per year to avoid a skin sensitisation case involving a two-week severe flare-up visible... 41

Figure 2.13. Values of a statistical case to avoid a skin sensitisation case involving a two-week severe flare-up visible on the face for... 42

Figure 3.1. Relationship between bid acceptance and bid amounts by country in the hypertension study 49

Figure 3.2. Mean willingness-to-pay values for a one step reduction in adult and childhood asthma severity 51

Figure 3.3. Positive and negative fixed effects by country across implemented surveys 53

Figure 3.4. Relationship between the medical cost burden and the value of a statistical case estimates in the hypertension study 54

Figure 3.5. Awareness of the risks posed by harmful chemicals by country 56

Figure 3.6. Satisfaction with the level of governmental regulation of chemicals by country 57

Figure 3.7. Relationship between perceived chemical regulatory stringency and the willingness-to-pay estimates in the IQ loss in children study 58

Figure 4.1. Cost-benefit analysis in the context of health valuation 63

Figure 4.2. Steps of a cost-benefit analysis in the context of morbidity valuation 67

Figure 5.1. Methodology of the recommended benefit function transfer 73

Figure 5.2. Willingness-to-pay estimates over one year to avoid one IQ point loss in children by country (USD), for OECD countries... 75

Figure 5.3. Values of a statistical case of hypertension by country (USD), for OECD countries and South Africa 75

Figure 5.4. Values of a statistical case of underactive thyroid by country (USD), for OECD countries and South Africa 76

Figure 5.5. Values of a statistical case of non-fatal cancer by country (USD), for OECD countries and South Africa 76

Figure 5.6. Values of a statistical case of chronic kidney disease by country (USD), for OECD countries and South Africa 77

Figure 5.7. Willingness-to-pay estimates over one year for one step reduction in adult asthma by country (USD), for OECD countries... 77

Figure 5.8. Willingness-to-pay estimates over one year for one step reduction in childhood asthma by country (USD), for OECD countries... 78

Figure 5.9. Values of a statistical case of infertility by country (USD), for OECD countries and South Africa 78

Figure 5.10. Values of a statistical case of very low birth weight by country (USD), for OECD countries and South Africa 79

Figure 5.11. Values of a statistical case of miscarriage by country (USD), for OECD countries and South Africa 79

Figure 5.12. Willingness-to-pay estimates over one year to avoid a skin sensitisation case involving a two-week severe flare-up visible... 80

Figure 5.13. Values of a statistical case to avoid a skin sensitisation case involving a two-week severe flare-up visible on the face for... 80

Figure 5.14. Values of a statistical case of adult asthma by country (USD), for OECD countries and South Africa 81

Figure 5.15. Values of a statistical case of childhood asthma by country (USD), for OECD countries and South Africa 81

Figure 5.16. Presentation of underactive thyroid symptoms in the survey 83

Figure 6.1. Classification of substances into four hazard classes 89

Figure 6.2. Valuation of comorbidity 90

Boxes 10

Box 1.1. Valuation concepts and methods in brief 21

Box 1.2. Contingent valuation method in the underactive thyroid survey 22

Box 1.3. Discrete choice experiment in the skin sensitisation survey 23

Box 4.1. Disability-adjusted life years (DALYs) and Quality-adjusted life years (QALYs) 64

Annex Tables 9

Table A.1. Values of a statistical case of hypertension by country (USD and local currency) 94

Table A.2. Values of a statistical case of hypertension with their confidence intervals (USD) 94

Table A.3. Values of a statistical case of infertility by country (USD and local currency) 95

Table A.4. Values of a statistical case of infertility with their confidence intervals (USD) 95

Table A.5. Values of a statistical case of underactive thyroid by country (USD and local currency) 96

Table A.6. Values of a statistical case of underactive thyroid with their confidence intervals (USD) 96

Table A.7. Values of a statistical case of asthma by country (USD and local currency) 97

Table A.8. Values of a statistical case of asthma with their confidence intervals (USD) 97

Table A.9. Willingness-to-pay values over one year for one step reduction in asthma by country (USD and local currency) 97

Table A.10. Willingness-to-pay values over one year for one step reduction in asthma with their confidence intervals (USD) 98

Table A.11. Values of a statistical case of miscarriage by country (USD and local currency) 98

Table A.12. Values of a statistical case of miscarriage with their confidence intervals (USD) 99

Table A.13. Values of a statistical case of chronic kidney disease by country (USD and local currency) 99

Table A.14. Values of a statistical case of chronic kidney disease with their confidence intervals (USD) 100

Table A.15. Values of a statistical case of non-fatal cancer by country (USD and local currency) 100

Table A.16. Values of a statistical case of non-fatal cancer by country and their confidence intervals (USD) 101

Table A.17. Values of a statistical case of very low birth weight by country (USD and local currency) 101

Table A.18. Values of a statistical case of very low birth weight with their confidence intervals (USD) 102

Table A.19. Willingness-to-pay values over one year to avoid 1 IQ point loss by country (USD and local currency) 102

Table A.20. Willingness-to-pay values over one year to avoid 1 IQ point loss with their confidence intervals (USD) 103

Table A.21. Willingness to pay estimates over one year to avoid skin sensitisation attribute among the sensitised sample by country... 104

Table A.22. Willingness to pay estimates over one year to avoid skin sensitisation attribute among the sensitised sample by country with their... 104

Table A.23. Values of a statistical case of skin sensitisation attribute among the non-sensitised sample by country (USD and local currency) 105

Table A.24. Values of a statistical case of skin sensitisation attribute among the non-sensitised sample by country with their confidence intervals (USD) 105

Table B.1. Recommended values for all 38 OECD Member countries and South Africa for 9 health effects 107

Table B.2. Recommended values for all 38 OECD Member countries and South Africa for asthma risk and skin sensitisation 108

Annex Figures 9

Figure A.1. Scenario-specific estimates for skin sensitisation 103