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![Page 1: The Built Environment and Human Health: An Initial ‘Sight’ at the Local Status Max A. Zarate, Ph.D. East Carolina University The 3rd Annual Jean Mills.](https://reader036.fdocuments.in/reader036/viewer/2022062519/56649d445503460f94a20359/html5/thumbnails/1.jpg)
The Built Environment and Human Health: An Initial
‘Sight’ at the Local Status
Max A. Zarate, Ph.D.East Carolina University
The 3rd Annual Jean Mills Health Symposium:Making Research Real in Reducing Health Disparities
and Transforming Health ServicesFebruary 9, 2007
![Page 2: The Built Environment and Human Health: An Initial ‘Sight’ at the Local Status Max A. Zarate, Ph.D. East Carolina University The 3rd Annual Jean Mills.](https://reader036.fdocuments.in/reader036/viewer/2022062519/56649d445503460f94a20359/html5/thumbnails/2.jpg)
OUTLINE
►The built environment
►Influences on physical activity
►North Carolina and Pitt County health statistics
►Health statistics and the built environment
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THE BUILT ENVIRONMENT
►Types of environments that affect human health
Natural –water, air, soil food
Built –indoor (buildings) and outdoor (roads, parks, walking & biking paths, shopping centers/malls, etc)
Social –SES, schools, jobs, churches, etc
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THE BUILT ENVIRONMENT (cont’d)
►Indoor: trend improved design, operation, and environmental quality of buildings
Base: linking people’s use of space to physical measurements of indoor environmental quality
Technology: making buildings more environmentally friendly, productive to live/work in, and economically to operate
![Page 5: The Built Environment and Human Health: An Initial ‘Sight’ at the Local Status Max A. Zarate, Ph.D. East Carolina University The 3rd Annual Jean Mills.](https://reader036.fdocuments.in/reader036/viewer/2022062519/56649d445503460f94a20359/html5/thumbnails/5.jpg)
THE BUILT ENVIRONMENT (cont’d)
►Outdoor: interest of urban planning in human behavior urban design and transportation planning
Theoretical, empirical, and practical work aimed at the following public health goals:
►Enhancement to quality of life►Improvement in system efficiency►Reductions in environmental impacts
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THE BUILT ENVIRONMENT (cont’d)Dimensions of the Built Environment (Source: Handy et al, 2002)
Dimension Definition Examples of Measures
Density and intensity
Land use mix
Street connectivity
Street scale
Aesthetic qualities
Regional structure
Amount of activity/area
Proximity of different land uses
Directness and availability of alternative routes
Three-dimensional space on a building-bounded street
Attractiveness and appeal of a place
Distribution of activities and transportation facilities across the region
Persons/acre or jobs/square mileCommercial floor space : land area ratio
Distance from house to nearest storeShare of total land area per use
Intersections/square mileAverage block length
Buildings height : street width ratioAverage distance from street to buildings
Percent of ground in shade at noonNumber locations with graffiti/square mile
Rate of density decline with distance from downtownBased on activity concentrations and transportation network
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THE BUILT ENVIRONMENT (cont’d)
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INFLUENCES ON PHYSICAL ACTIVITY
A range of theories and models has been used to specify variables believed to influence physical activity (PA) and other human behaviors. Researchers test hypotheses by assessing:
Associations that help to “understand and predict” behaviors
Interventions that are designed to modify the influences believed to lead to behavior change
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INFLUENCES ON PHYSICAL ACTIVITY (cont’d)
►The logic of causality: defining correlates and determinants
There are few examples of absolute causal factors that “cause” the outcome in 100% of cases, but none in the behavioral realm
Correlates: reproducible associations or predictive relationships
Determinants: causal factors (variations in these factors are followed systematically by variations in PA behavior)
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INFLUENCES ON PHYSICAL ACTIVITY (cont’d)
►The logic of causality (cont’d)
What causes coronary heart disease (CHD)?
Probable causal variables include: physical inactivity, high cholesterol levels, tobacco use, and genetic factors
This group of factors may contribute to micro-physiologic changes (e.g. PA may reduce CHD risk through improvements in cardiac endothelial cell function, collateral circulatory changes, or through improved oxygen uptake)