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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