Healthy Development Measurement Tool - Land Use and Health

Land Use and Health

Historically, health inequities were associated with differences in health behaviors and health care access and utilization. Today, however, many believe that these inequities result from differences in access to the social, economic and environmental resources necessary for health. Increasingly, inter-disciplinary research demonstrates that the root causes of disease and illness, as well as strategies to improve health and well-being are dependent on community design, land use, and transportation. Changes in societal conditions can affect many individuals simultaneously, and have broad and diverse impacts on multiple health outcomes.

The value of this tool is that it focuses on broadening the range of social, economic, and environmental resources needed for health on a population level. It does so by recognizing a range of resources needed for optimal health at the societal level and identifying measurable and actionable ways to meet those needs through urban development. It combines quantitative analysis of health indicators with a qualitative assessment of whether plans and projects meet tool development targets.

SFDPH has recognized that it has a legitimate agency interest in integrating health considerations into land use decision-making. While SFDPH does not have formal decision-making authority regarding land use and development decisions, a number of drivers brought SFDPH to understand that it has a potentially important role. Drivers include:

  • Community organizations’ struggles to limit the negative impacts of development in their communities
  • Local experience among SFDPH staff that environmental health outcomes were associated with land use and transportation decisions
  • National public health research that “the built environment” was associated with chronic health outcomes
  • An international movement to develop tools and methods for HIA’s of public policy

The first driver for SFDPH to be involved in land use was that community groups were struggling with the pace of development in their neighborhoods. In addition, they were dissatisfied with the responsiveness of the Planning Department to address neighborhood needs and concerns, including displacement of existing residents and jobs, and an overall lack of infrastructure to support a complete neighborhood. Many groups called for community planning processes and specifically community, social, and economic impact assessments of land use changes to be conducted as part of or complementary to the environmental impact report required by CEQA.

The second driver was that SFDPH increasingly recognized that environmental health and justice issues in San Francisco had roots in land use and transportation planning decisions. For example, SFDPH environmental health inspectors frequently observed that families lived in housing conditions that caused a variety of health outcomes such as asthma and lead poisoning. However, because of the high costs associated with improving these conditions, landlords often would not take action. In addition, the high cost of housing made it difficult or families to leave their homes and find new places to live.

Cumulatively, SFDPH also observed the disproportionate share of unwanted land uses (such as power plants, sewage treatment facilities, substandard public housing, and poor public infrastructure) in places like Bayview/Hunters Point as contributing to significant disparities in life expectancy for residents. Finally, SFDPH also witnessed residential development in historically industrial areas generating noise, traffic emissions, and pedestrian hazards for residents and workers in these areas.

Third, on a national scale, the public health and urban planning communities were increasingly calling attention to the connections between the built environment (that is, land use, transportation systems, and community design) and health, particularly focusing on the contribution of the land use patterns (for example, sprawl) to physical inactivity, pedestrian safety, and air quality. Findings illustrated that urban design and land use regulations could accomplish the complementary goals of preventing illness and ensuring environmental quality. For example, creating higher density, mixed-use developments closer to transit and job centers would enhance public safety, prevent motor-vehicle injuries, increase access to goods and services, encourage walking or bicycling, reduce air pollution, and limit global warming.

Finally, on an international scale, public health practitioners were also developing methods and tools for Health Impact Assessment. The goal of HIA was to bring to light information on how diverse public policy decisions might affect health as well as the social and environmental resources required for good health. While HIA was novel in the United States, it presented a potential way to gain consideration more pro-actively of both root causes of poor health and community needs in the land use development process.

By 2001, SFDPH had already begun using HIA methods to increase the inclusion of health considerations in policy-making. In a study examining the health impacts of increasing the city’s living wage, SFDPH found that adoption of an increased living wage would result in decreases in the risk of premature death by 5% for adults 24–44 years of age in households whose current income was around $20,000. For the offspring of these workers, a living wage would result in an increase of a quarter of a year of completed education, a 34% increase in the odds of high school completion, and a 22% decrease in the risk of early childbirth.

SFDPH also conducted exploratory workshops with community members on the health impacts of housing subsidies, farmers’ markets, and green schoolyards. In 2002, SFDPH began using HIA more specifically in local land use planning, policy making, and project review. For example, SFDPH conducted HIAs of:

  • Carpet policy in public housing;
  • Housing displacement at Trinity Plaza; and
  • Spear / Folsom condominium towers at Rincon Hill.

Read more about this topic:  Healthy Development Measurement Tool

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