Health Impact Assessment: Threshold Analysis

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Design for Health
Health Impact Assessment Threshold Analysis
Kevin Krizek
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Characteristics of the Threshold HIA

• Level III Most specific in the suite of HIA
  tools provided by Design for Health.
• Informed by synthesizing and digesting available
  research.
• What does the research tells us
• How strong/clear is that research
• How can it be applied to more specific projects
  or plan proposals

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Where to use in the HIA process?

• Most rapidly evolving of the types of HIAs being
  developed
• Best used later in the planning process

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Structure of the Threshold HIA

• Uses same categories of public health categories
  as other tools in the Design for Health HIA suite
• Further breaks these areas down into 20 or so
  specific criteria
• Requires specific knowledge of the plan or
  project (e.g., specific information or
  characteristics about plan element or development
  proposal
• Scoring is based on sliding scale

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Other efforts / comparable products
Distinguishing characteristics -54
categories -Based on Yes/No -Very comprehensive
-Based on select studies -Point based -70
categories -Based on select studies -20 or so
specific criteria -Carefully digests available
research -Focuses on dimensions directly relevant
to planning

• Tool
• -Healthy Development Tool (San Francisco)
• -LEED - ND
• -Design for Health

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Threshold Analysis (Draft)
Topic Accessibility
Transit Service (Threshold)
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Threshold Analysis (Draft)
Topic Accessibility
Transit stops (Threshold)
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• Need an example of a map

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Threshold Analysis (Draft)
Topic Food
Distance to a supermarket or fruit and vegetable
shop (Threshold)
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Food Stores--NAICS Code Examples

• 445   Food and Beverage Stores
• 4451    Grocery Stores
• 44511  Supermarkets and Other Grocery (except
  convenience) Stores
• 44512 Convenience Stores
• 4452    Specialty Food Stores
• 44521 Meat Markets
• 44522   Fish and Seafood Markets
• 44523   Fruit and Vegetable Markets
• 44529   Other Specialty Food Stores
• 445291  Baked Goods Stores
• 445292  Confectionery and Nut Stores
• 445299  All Other Specialty Food Stores
• 4453    Beer, Wine, and Liquor Stores

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1200 Meters
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Threshold Analysis (Draft)
Topic Air Quality
Distance from a freeway for residential uses and
uses occupied by children (Threshold)
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Threshold Analysis (Draft)
Topic Physical Activity
Access to playing areas, parks and trails
(Threshold)
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• Need an example

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Threshold Analysis (Draft)
Topic Water Quality
Groundwater and drinking-water quality (Threshold)
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MPCA Whats in my neighborhood Minneapolis
http//pca-gis04.pca.state.mn.us/website/mes/mesfi
n/entry.htm
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Threshold Analysis (Draft)
Score Sheet
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Threshold Analysis
Next Steps

• Refine available guidelines
• Field test
• Ensure they are user friendly and robust
• Produce an available product to employ in late
  summer

Ann Forsyth
(Image centered left to right, 2.5 up from
bottom, 2.0 from top)