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Table 2 Selected questions on HBCD that scored high or low (outside the 10-90 percentile range) in the average confidence score (Mean) (a) or in consensus (CNS) (b).

From: Policy relevant Results from an Expert Elicitation on the Human Health Risks of Decabromodiphenyl ether (decaBDE) and Hexabromocyclododecane (HBCD)

a)

HBCD

Questions

VH

H

M

L

VL

No. Resp.

Mean

Std

CNS

RANK (CONS)

  

5

4

3

2

1

     
 

Environmental Matrix

          

EM03

Sediments

2

5

5

1

0

13

3.62

0.87

0.70

30

EM04

Sewage sludge

2

6

2

3

0

13

3.54

1.05

0.62

53

 

Main sources of exposure

          

EX05

Occupationally exposed

4

2

6

1

0

13

3.69

1.03

0.62

57

 

Knowledge of the mechanisms of actions

          

TX18

a- HBCD

0

2

1

10

5

18

2.00

0.91

0.75

10

TX19

b-HBCD

0

1

1

9

7

18

1.78

0.81

0.74

12

TX20

g-HBCD

0

1

2

10

5

18

1.94

0.80

0.77

5

TX21

Other metabolites of HBCD

0

0

1

7

10

18

1.50

0.62

0.78

3

(b)

HBCD

Questions

VH

H

M

L

VL

No. Resp.

Mean

Std

CNS

RANK (CONS)

  

5

4

3

2

1

     
 

Environmental Matrix

          

EM01

Debromination & biological halflives

0

3

9

1

0

13

3.15

0.55

0.84

1

 

Occupational exposed

          

EX11

Inhalation

3

2

5

3

0

13

3.38

1.12

0.59

63

EX12

Ingestion

1

3

4

4

1

13

2.92

1.12

0.62

58

 

Infants and children

          

EX14

Inhalation

1

1

4

5

2

13

2.54

1.13

0.60

61

EX16

Via food

0

3

5

2

3

13

2.62

1.12

0.59

62

 

Toxicokinetics

          

TK05

Accumulating in the body

0

6

9

3

0

18

3.17

0.71

0.77

4

TK06

Excreted via bile and faeces

0

5

8

5

0

18

3.00

0.77

0.77

6

TK08

Distribution to different tissues

0

5

12

1

0

18

3.22

0.55

0.83

2

 

Human Epidemiological studies

          
 

Nervous system

          

TX05

Males exposed as adults

1

2

3

9

3

18

2.39

1.09

0.62

59

TX06

Females exposed as adults

1

2

3

9

3

18

2.39

1.09

0.62

60

  1. The questions were “What is your level of confidence in the quality of the current scientific data on…” or “What is your level of confidence in the scientists’ ability to predict…” followed by the text in the left side of the table. VH, H, M, L, VL = levels of confidence; No. Resp. = number of respondents; Std = standard deviation; Mean = arithmetic mean of confidence score; CNS = consensus score (agreement); RANK (CNS) = consensus rank.
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Environmental Health

ISSN: 1476-069X