Making Strides Toward Active Living: The Policy Research Perspective : Journal of Public Health Management and Practice

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Making Strides Toward Active Living

The Policy Research Perspective

Eyler, Amy A. PhD; Brownson, Ross C. PhD; Schmid, Thomas L. PhD

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Journal of Public Health Management and Practice 19():p S5-S7, May/June 2013. | DOI: 10.1097/PHH.0b013e31828c826c
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Physical activity has been promoted to improve health for decades.1 A summary of the health benefits and physical activity recommendations gained national support in the 1996 landmark publication of the Surgeon General's Report on Physical Activity and Health.2 Specific physical activity recommendations have evolved from vigorous exercise for cardiovascular fitness to an accumulation of moderately intense activities (eg, brisk walking) for general health benefits.3 The current recommendations make it easier and more appropriate for the general population to achieve them, but less than half of the adults in the United States meet these criteria.3,4 Despite public health efforts, about 25% of adults report no leisure-time physical activity at all.5 There is also growing concern over the amount of daily sedentary time, as evidence points to detrimental health effects independent of physical activity.6

Many strategies have been attempted to improve population physical activity prevalence.3,7 However, there is evidence indicating that interventions targeting individuals to change physical activity behavior are not significantly effective or sustainable.8 Motivating people to be physically active can be difficult and made even more challenging by environments where few opportunities to be physically active exist.9 Because physical activity is a behavior influenced by factors ranging from individual motivation to community policies, a socioecological approach to interventions is recommended.10 Specifically, more effective intervention strategies include policy and environmental changes that are designed to provide opportunities, support, and cues to help people be more physically active.8,11

Given the potential to improve behavior at the population level, there are national efforts to understand and promote these types of interventions. In 2004, the Centers for Disease Control and Prevention funded the five Prevention Research Centers to create the Physical Activity Policy Research Network (PAPRN). PAPRN investigators conduct evaluation research on policies influencing population physical activity across settings (eg, community, worksite, home) and scales (eg, local, regional, national). The Guide to Community Preventive Services presents evidence for the effectiveness of 4 policy and environmental approaches for increasing population physical activity: improved access to places to be physically active with promotion, community scale and urban design and land use policies, street scale and land use policies, and point of decision prompts to encourage the use of stairs.7 A recent Institute of Medicine committee also recommended enhancing the physical and built environment as an approach to reducing obesity.12 In addition, there is evidence that environmental interventions to encourage physical activity are cost-effective.13,14

Federally funded programs such as Communities Putting Prevention to Work and Community Transformation Grants are examples of the current emphasis on policy and environmental approaches to improve population behavior. The main goal of Communities Putting Prevention to Work is to “implement environmental changes to make healthy living easier.”15 Evaluation of improvements in community access to healthy options as a result of Communities Putting Prevention to Work and Community Transformation Grants is necessary to measure effectiveness and build the evidence base and rationale for scaling up policy strategies. Since many stakeholders involved in these initiatives may not be familiar with evaluation structures and the process of policy change, a framework such as the one outlined in this supplement by Lyn et al.16 can be useful.

Part of the complexity in policy and environmental change is due to the varying levels of government or jurisdiction at which policies to improve physical activity evolve. For example, federal policy can influence local or regional policies by the distribution of federal transportation funds for community trails. State plans for improving physical activity can be influenced by the National Physical Activity Plan17 and, in turn, can have an impact on implementation at the local level. In an article by Bornstein et al,18 development of national efforts is described, complemented by Kohl and Evenson,19 and the exploration of state physical activity plan development. The works of Bornstein et al and Kohl and Evenson suggest that factors associated with “strong or successful” physical activity planning collaborations can be identified and such factors can guide stakeholders as they develop and assess their own physical activity plans. Another example of policy scale is physical education (PE). State policies and curriculum requirements can guide PE policies at the district level. Articles in this supplement by Cradock et al20 and Chriqui et al21 explore implementation of PE policies at both state and district levels. A common response to studies on the prevalence of polices is that without enforcement they have little effect, yet both of these studies provide some encouraging middle ground. For example, in the study on district PE implementation, districts in states with laws governing PE time reported significantly more days of PE and states with PE time laws reported more minutes of PE per week.

Implementing policy and environmental changes for physical activity requires collaboration from a variety of stakeholders outside of the public health sector. Representatives from community organizations, urban planners, transportation, architects, and developers can provide relevant input in developing and implementing sustainable strategies for improving the physical environment of communities that is supportive of physical activity.22 Transdisciplinary collaboration for these changes, while necessary, can be challenging, as strategies and reasons for desired outcome may differ23; cooperation and a shared vision are key to successful initiatives promoting population physical activity.24,25 Community coalitions have the potential to be effective catalysts in these initiatives. In this supplement, the articles by Litt et al26 and Gustat et al27 describe the complexity and effectiveness of groups whose goal is to influence active living policy and environmental change. This research is unique in that the CANAL (Coalitions and Networks for Active Living) project is the first to describe and compare a large sample of coalitions across several states. Its findings demonstrate that the broad scope of efforts to increase physical activity through policy and environmental strategies and groups that aligned goals, strategies, and funding to advance changes in the built environment had the most success. Several built environment strategies include changes in the way streets are designed and managed. Moreland-Russell et al28 describe the diffusion of complete street policies and report that the state obesity rates, percentage of people who bike to work, and the presence of a neighboring community with a complete streets policy predicted complete streets adoption in the target community. These factors may be considered for advocates of complete streets policies. In addition to complete streets policies, Open Streets (known as Ciclovias in Latin America)—initiatives where sections of streets are closed to motorized traffic and opened to walkers, cyclists, and others—have been found to be cost-effective and promote community collaboration.29 In this supplement, the work of Zieff et al30 describes the process of 2 successful Open Streets initiatives and outlines valuable lessons learned that can be useful to others, as this type of initiative continues to grow in cities across the United States.

Despite the relatively recent shift in focus from individual- to multilevel policy and environmental changes to improve physical activity prevalence, as shown by this group of articles, progress is modest10 and disparities remain among low-socioeconomic status and other population subgroups.3 The recent increase in national funding for community policy and environmental changes has great potential and can provide needed evaluation research to help identify effective outcomes of these changes. In addition, more research is needed on processes and determinants of these initiatives and how these research findings translate into action at the state and local levels. PAPRN is a network devoted to increasing the evidence base on identification, determinants, and outcomes of policies that can influence population physical activity. Our internationally recognized team of experts in this network, as reflected by the articles in this supplement, is taking major steps toward informing active living policy as a part of the public health solution.


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30. Zieff S, Hipp J, Eyler A, Kim M. Ciclovia initiatives: challenges along the route to success. J Public Health Manag Pract. 2013;19(suppl 3):S74–S82.
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