risk communication and risk management decision making
DESCRIPTION
Risk Communication and Risk Management Decision Making. Daniel Krewski, PhD, MHA Professor and Director McLaughlin Centre for Populaiton Health Risk Assessment March 12, 2009. Outline. Evolution of Risk Science Risk Communication Case Study: Prion Diseases Risk Perception - PowerPoint PPT PresentationTRANSCRIPT
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Risk Communicationand
Risk ManagementDecision Making
Daniel Krewski, PhD, MHA
Professor and DirectorMcLaughlin Centre for
Populaiton Health Risk Assessment
March 12, 2009
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McLaughlin Centre for Population Health Risk Assessment
• Evolution of Risk Science
• Risk Communication
• Case Study: Prion Diseases
• Risk Perception
• Web-based Risk Communication
• Conclusions
• Training
Outline
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McLaughlin Centre for Population Health Risk Assessment
-U.S. National Research Council
-World Health Organization
-Health Protection Branch
-Canadian Standards Association
-Health Protection Branch-CPHA National Advisory Panel on Risk/Benefit Management of Drugs-Codex Alimentarius
-Canadian Standards Association-U.S. Presidential/Congressional Commission on Risk Assessment and Risk Management
19831985
1990
1991
1993
1997
-McLaughlin Centre for Population Health Risk Assessment
2007
Frameworks for Risk Assessment and Risk Management
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McLaughlin Centre for Population Health Risk Assessment
An Integrated Framework forRisk Assessment and
Risk Management
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Health Risk ScienceDeterminants and Interactions
Health Risk Policy AnalysisEvidence Based Policy
Biologyand
Genetics
Biologyand
Genetics
Socialand
Behavioural
Socialand
Behavioural
Biology-social interactions
Environmentand
Occupation
Environmentand
Occupation
Biology-environmentinteractions
Population HealthPopulation Health
Environment-socialinteractions
Multiple Interventions
AdvisoryRegulatory Economic Community Technological
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McLaughlin Centre for Population Health Risk Assessment
Problem/Context
Risks
Options
Decisions
Actions
EvaluationEngage
Stakeholders
U.S. Presidential/Congressional Commission on Risk Assessment and Risk Management (1997)
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McLaughlin Centre for Population Health Risk Assessment
Risk Communication
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McLaughlin Centre for Population Health Risk Assessment
“…risk communication is the act of conveying or transmitting information between interested parties about (a) levels of health or environmental risks; (b) the significance or meaning of health or environmental risks; or (c) decisions, action, or policies aimed at aging or controlling health or environmental risks. Interested parties include government agencies, corporations and industry groups, unions, the media, scientists, professional organization, public interest groups, and individual citizens.”
Covello et al. (1987)
Risk Communication
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McLaughlin Centre for Population Health Risk Assessment
Risk Communication in Practice
• Determine best ways to present scientific information on important risk issues
• Develop guidelines on expert/public communications
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McLaughlin Centre for Population Health Risk Assessment
GeneralPublic
PublicInterest Groups
Domain ofPerceived Risk
Domain ofTechnical Risk
PublicSphere
ExpertSphere
GOVERNMENTS
MassMediaIndustry
IndependentResearchers
Risk Communication Flows
Communications Processes Model
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McLaughlin Centre for Population Health Risk Assessment
ManagingPrion Disease Risks
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McLaughlin Centre for Population Health Risk Assessment
0
10000
20000
30000
40000
Number of
Cases
1997
1980
1988
Transmission of Mad Cow Disease to Humans
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McLaughlin Centre for Population Health Risk Assessment
• Canada has been challenged both economically and socially by BSE since the first indigenous Canadian case was confirmed in May 2003 in a 6-year old Albertan beef cow.
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McLaughlin Centre for Population Health Risk Assessment
• 1997: CFIA banned the use of brains, spinal cords and other parts, known as specified risk materials (SRM), in cattle feed. The feed ban also applied to the remains of sheep, goats, bison, elk and deer.
• 2003: Slaughterhouses were to dispose of all SRMs from the bodies of cattle older than 30 months.
• 2004: New regulations to prevent animal parts linked to BSE from being fed to pets and livestock such as chicken or pigs (not only cows and sheep).
• 2006: Cattle tissues capable of transmitting BSE were banned from all animal feeds, pet foods and fertilizers.
• 2007: CFIA introduces enhanced feed ban.
BSE Risk Management in Canada
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McLaughlin Centre for Population Health Risk Assessment
• People not eligible to donate blood or plasma if they spent a cumulative total of > 3 months in U.K. or France between 1980 and 1996, or a cumulative total of > 5 years in Western Europe (outside U.K. or France) since 1980.
• People not eligible to donate blood or plasma if have had a blood
transfusion in the U.K., France or Western Europe since 1980.
vCJD Risk Management in Canada
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McLaughlin Centre for Population Health Risk Assessment
BSE Risk Assessment
& Management (B-RAM) Framework
Identify Issue& Context
Involve Interested &
Affected Parties
Assess Risks& Benefits
Identify & Analyze Options
Select Strategy
ImplementStrategy
Monitor &EvaluateResults
Literature Reviews - TSE agents - Psychosocial impacts - Psychosocial interventions - Risk communication - Policy evaluation
International Expert Consultations: Canada, US, Australia, UK, EU,
Japan
Individual Interviews
Community Focus Groups
National Public Survey(n=1500)
Expert Framework Consultations
Analysis of Risk Assessments
Analysis of Policy Instruments
BSE Risk Assessment
& Management (B-RAM) Framework
Prioritize Components - Risk Modeling - Farm family impacts - Psychosocial impacts - Public perception - Domestic Policy - International Policy context
Risk Communication
Canadian Policy and Expert Framework
Consultation
International Expert Consultations: Canada,
US, Australia, UK, Norway, EU, Japan
Integration of Policy
Integration of Added Inputs
Managing BSE/vCJD
Risks
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McLaughlin Centre for Population Health Risk Assessment
InterpretationScientificData
Social Issues Economic Issues
Political IssuesTechnological Issues
SciencePolicy
Policy Uptake:Interpreting Science for Decision Makers
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Toxicity Testing:Science Informing Risk Management
www.nas.edu
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McLaughlin Centre for Population Health Risk Assessment
Prion Misfolding as a Toxicity Pathway
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McLaughlin Centre for Population Health Risk Assessment
Federal35%
Research30%
Provincial9%
International4%
IndustryAssociations
22%
Attendee Demographics
Attendees = 48
Communication with Animal & Health Policy Community
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McLaughlin Centre for Population Health Risk Assessment
Government (U.S.)42%
Research19%
Government (Canada)10%
Other (PAHO, etc.)
20%
Industry Association
8%
Government (Mexico & Costa Rica)
1%
Attendee Demographics
Attendees = 50
International Communication
‘Prion Disease Risk Management’
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McLaughlin Centre for Population Health Risk Assessment
2009 Canada (Regina) North and South America
(Brasilia) Europe (Brussels)
2008 Canada (Ottawa, June 25) North America (Washington, July
10)
2010 Canada (Edmonton) North and South America
(Washington) Asia (Beijing)
2011 Canada (Ottawa)
Risk ManagementPolicy Consultation Workshops
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McLaughlin Centre for Population Health Risk Assessment
Risk Perception
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McLaughlin Centre for Population Health Risk Assessment
Public Perception of Risk
RiskAssessment
RiskGuidelines
RiskInterventions
Expert decision making
Public decision making
RiskPerception
RiskAcceptability
RiskBehaviours
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0 20 40 60 80
Cigarette SmokingOzone DepletionBreast Implants
Street DrugsStress
Chemical PollutionCrime and Violence
SuntanningAIDS
Motor Vehicle AccidentsNuclear Waste
Alcohol & PregnancyPCBs or Dioxin
Nuclear Power PlantsClimate Change
Non-prescription MedicationAsbestos
Waste IncineratorsMalnutrition
High Volt Power LinesFood Irradiation
Prescription DrugsGenetically Engineered Bacteria
Outdoor Air QualityBacteria in FoodMoulds in Food
Mercury in FillingsTap Water
Medical X-raysIndoor Air Quality
VDTsContraceptives
Heart PacemakersBottled Water
Contact lenses
Perceived High Risk (%)
Public Perception of Risk
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McLaughlin Centre for Population Health Risk Assessment
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Bottled water M=1,4, SD=1,2Foot and mouth disease M=1,7, SD=1,3
Tap water M=1,7, SD=1,2WILD GAME DISEASE M=1,8, SD=1,2
Food packaging M=1,8, SD=1,2Food irradiation M=2,0, SD=1,2
MAD COW DISEASE M=1,9, SD=1,4Agroterrorism M=2,0, SD=1,4
Bacteria M=2,2, SD=1,1Artificial sweetners M=2,3, SD=1,3
Genetically modified foods M=2,3, SD=1,3Imported food M=2,5, SD=1,0
Improper food labelling M=2,5, SD=1,2Antibiotics in livestock M=2,5, SD=1,2
Food additives M=2,5, SD=1,1Pesticides M=2,5, SD=1,1
Mercury in fish M=2,6, SD=1,1Growth hormones M=2,7, SD=1,1
Public Perception of Foodborne Risks
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McLaughlin Centre for Population Health Risk Assessment
“Even the ‘better times’ are not really better because you are simply digging yourself out of the hole, recouping your losses”
“As a young person [who was to take over the farm]…I will not go into farming and I want to tell that to the general public and the government…The message needs to get out that farming is no longer viable for families”
Farm Family Focus Groups
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McLaughlin Centre for Population Health Risk Assessment
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McLaughlin Centre for Population Health Risk Assessment
0% 20% 40% 60% 80% 100%
Industry
Government
Pub. Interest or Env. Groups
Univ. Scientists / Sci. Journals
Friends and Relatives
Health Brochures / Pamphlets
Internet
Medical Doctors
News Media
A lot Fair Little None Don't Know / No Opinion
Sources of Information on Population Health Risks
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McLaughlin Centre for Population Health Risk Assessment
0% 20% 40% 60% 80% 100%
Industry
Pub. Interest or Env. Groups
Government
Internet
News Media
Friends and Relatives
Health Brochures / Pamphlets
Univ. Scientists / Sci. Journals
Medical Doctors
A lot Fair Little None Don't Know / No Opinion
Confidence in Sources of Health Risk Information
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McLaughlin Centre for Population Health Risk Assessment
020
4060
80
100
Disagree Agree Don’tKnow / NoO pinion
Getting cancer mostly depends on the environment.
Getting cancer mostly depends on lifestyle.
020
4060
80
100
Disagree Agree Don’tKnow / NoO pinion
Getting cancer mostly depends on genetic
makeup.
0
20
40
60
80
100
Disagree Agree Don’tKnow / NoO pinion
Risk Beliefs
Environment Social Genetics
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McLaughlin Centre for Population Health Risk Assessment
I believe that a risk-free environment is an attainable goal in
Canada.
0
20
40
60
80
100
Disagree Agree Don’tKnow / NoO pinion
Risk Beliefs
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McLaughlin Centre for Population Health Risk Assessment
• Not to correct public misperceptions of risk• Understanding the factors that shape public attitudes and opinions about risk
can lead to more effective risk communication• More effective risk communication can lead to increased public acceptance of
risk management interventions• “When the public worries, it is our responsibility to worry.”
» Dan Beardsley
US Environmental Protection Agency
•
Why Study Risk Perception?
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McLaughlin Centre for Population Health Risk Assessment
Web-basedRisk Communication
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McLaughlin Centre for Population Health Risk Assessment
The preferred source of information and commentary on endocrine modulation
EM comwelcome to emcom
bienvenue chez emcomENTER HERE ENTREZ ICI
www.emcom.ca
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McLaughlin Centre for Population Health Risk Assessment
An exogenous agent that interferes with the synthesis, secretion, transport, binding, action or elimination of natural hormones in the body that are responsible for the maintenance of homeostasis, reproduction, development and/or behavior" (USEPA 1997).
Session 6 – 22/29
Endocrine Toxicants
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McLaughlin Centre for Population Health Risk Assessment
• breast cancer• endometrial cancers • endometriosis• fecundity and fertility • increased rates of
spontaneous abortion• sex ratios
• testicular cancer• ovarian cancer • prostate cancer• declining semen quality• male reproductive tract
abnormalities • precocious puberty
Potential Population Health Risks
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McLaughlin Centre for Population Health Risk Assessment
Website on Population Health Risks
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McLaughlin Centre for Population Health Risk Assessment
Conclusions
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McLaughlin Centre for Population Health Risk Assessment
Risk ManagementMedia and
Stakeholder
Involvement
Public -
Science
Interface
Science -
Policy
Interface
Policy Debate
Communication
Roles of Risk Communication
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McLaughlin Centre for Population Health Risk Assessment
• Graduate Certificate in Population Health Risk Assessment and Management
• MSc in Epidemiology
• PhD in Population Health
• Postdoctoral Fellows
• Visiting Scientists
Training in Risk Science
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