Dataset Information

United States' neighborhood park use and physical activity over two years: The National Study of Neighborhood Parks.

ABSTRACT: The United States lacks surveillance to monitor park use and conditions. The purpose of this study was to use the System for Observing Play and Recreation in Communities (SOPARC) as a surveillance tool to describe the conditions, user characteristics, and physical activity of a national sample of neighborhood parks at two time points. Using a stratified multistage sampling strategy, a representative sample of 174 neighborhood parks in 25 major United States' cities were selected. During 2014 and 2016, park-related use, conditions, and physical activity were assessed using SOPARC in 169 parks. Overall, 74,106 park users were observed at baseline and 69,150 park users were observed two years later (p?=?0.37). There were persistent disparities in park use by gender and age, with disproportionately more male than female users in each age group (child, teenager, adult, older adult). Older adults used the park less than other age groups. Almost two-thirds of park users were observed being sedentary (61.9% in 2014, 60.7% in 2016), followed by moderate (30.8%, 32.0%) and vigorous (7.3%, 7.3%) activity. Empty target areas increased over two years (75.3%, 77.6%; p?=?0.01) and those that were equipped (2.6%, 1.2%; p?=?0.0003), accessible (95.4%, 94.3%; p?=?0.01), and organized (2.6%, 1.7%; p?=?0.01) decreased. Areas that were usable (97.5%, 97.4%) or provided supervised activities (2.0%, 2.4%) did not change significantly. The findings demonstrate the value of SOPARC as a surveillance tool, identify user groups under represented at parks, and suggest an opportunity to encourage more park-based physical activity among park visitors.

SUBMITTER: Evenson KR

PROVIDER: S-EPMC6534437 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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United States' neighborhood park use and physical activity over two years: The National Study of Neighborhood Parks.

Evenson Kelly R KR Williamson Stephanie S Han Bing B McKenzie Thomas L TL Cohen Deborah A DA

Preventive medicine 20190319

The United States lacks surveillance to monitor park use and conditions. The purpose of this study was to use the System for Observing Play and Recreation in Communities (SOPARC) as a surveillance tool to describe the conditions, user characteristics, and physical activity of a national sample of neighborhood parks at two time points. Using a stratified multistage sampling strategy, a representative sample of 174 neighborhood parks in 25 major United States' cities were selected. During 2014 and ...[more]

PMID: 30898586

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Project description:IntroductionUrban neighborhood parks are designed to provide easy access to recreation and physical activity. We analyzed data from the first National Study of Neighborhood Parks, which assessed the characteristics and use of a representative sample of U.S. urban neighborhood parks. This article compares factors associated with active commuting (e.g., walking) to parks among men and women and park characteristics associated with observed moderate-to-vigorous physical activity (MVPA) within neighborhood parks.MethodsWe used systematic direct observation to quantify parks visitors of all ages in 162 U.S. neighborhood parks in 25 cities in 2016 and surveyed a sample of adult visitors (877 women and 793 men). We used descriptive statistics to identify park facilities, amenities, and park management practices associated with park use. We also conducted multivariate regressions to identify factors most closely associated with observed park-based MVPA among all age groups and with self-reported levels of active commuting to parks among adults.ResultsReasons to visit parks varied by gender, with women more likely than men to bring children (59% vs 42% for men; p < .001), and men more likely than women to go to parks to relax (38% vs 29%; p = .01). Bringing children to parks was associated with more motorized transport among women, but not among men. Active commuting to parks was associated with living closer to parks (β = -0.92; p < .0001), a greater frequency of park use (β = 0.99; p < .0001), and the park having a working drinking fountain (β = 0.62; p = .01), with no significant differences between men and women. Men and boys used park facilities very differently than women and girls. Men and boys engaged in the most MVPA in soccer fields, gyms, and skate parks, whereas for women and girls the top three sites were pools, playgrounds, and walking paths.ConclusionsSignificant gender differences in why men and women visit parks and how parks are used likely reflect cultural determinants of gender roles. Our findings suggest that park management practices should be adjusted to mitigate the lower use of parks and lower levels of park-based MVPA among women and girls compared with men and boys.

Project description:When balancing environmental preservation and economic development, it is critical to evaluate how taxpayers value national park land and for what they are valuing it. One key component of this evaluation is to calculate a "passive use value," or the willingness to pay (WTP), for protection of land that may never directly be used, and to determine what benefits of land protection motivate this passive use value. We estimated the WTP for a 5% expansion of Denali National Park in Alaska (an expansion of 325,340 acres) using a questionnaire and the contingent valuation method. The survey first educated respondents on Alaskan geography, the current status of protected land and wildlife in Alaska, and common arguments for and against National Park expansion. The survey then described a proposal to expand the Denali National Park and asked a series of questions designed to bound the respondents WTP. Finally, the survey asked respondents to answer questions about what motivated their support or disapproval for the program. Multiple methodologies were used to estimate the national average WTP, resulting in a WTP range of a single payment of $77 to $409. This is estimated to be a total WTP of $15.1 billion to $79.3 billion for all individuals aged 18 to 64 in the United States, or $363.1 million to $1.91 billion per year in 2017 dollars. Respondents to the survey indicated that their support is driven primarily by increased protection from oil spills (85.8% deemed this very important or important), by increasing and protecting Alaska's biodiversity (84.3%), and preserving Alaska's beauty (84.2%). These results can help inform recent, current, and future debates about land use. President Obama significantly expanded land protections, while President Trump is continuing to scale back land protections, including opening up untouched land in Alaska in the Arctic National Wildlife Refuge for oil drilling. These results suggest that there are significant passive use values that should be considered when deciding whether to expand or reduce protection of land. Given that passive use values are significant, this suggests that the economic benefits must be large to tip a cost-benefit analysis in favor of reduced land protections.

Project description:BackgroundResearch suggests that the effects of saturated fat (SF) on health differ depending on its food source. Dairy SF has been associated with lower cardiovascular disease (CVD) risk, whereas meat SF is linked to a higher CVD risk.ObjectivesTo estimate the contribution to the total intake of SF of 1) 5 food groups - dairy, meats, seafood, plants, and "other," and 2) the top 10 specific food category sources in the United States population overall and by sociodemographic subgroup.MethodsThe analysis included data from 11,798 participants in the 2017-March 2020 National Health and Nutrition Examination Survey aged 2+ y. Grams of SF from the food sources expressed as a percentage of the total grams of SF consumed, were estimated using the population ratio method.ResultsMean daily intake of SF was 28.1 g [95% confidence interval (CI): 27.6-28.6 g], comprising 11.9% (95% CI: 11.7-12.1%) of total energy intake. Dairy contributed 28.4% of SF, followed by meats (22.1%), plant sources (7.5%), fish and seafood (1.2%), and the remaining foods (41.6%). Youth had higher SF intake from dairy than adults (P < 0.001), whereas non-Hispanic Whites had higher intake than non-Hispanic Blacks (P < 0.001) and Hispanics (P = 0.016). Adults had higher SF intake from meats than youth (P = 0.002), males more than females (P < 0.001), and non-Hispanic Blacks more than non-Hispanic Asians (P = 0.016) and Hispanics (P < 0.001). The top 10 specific sources of SF were unprocessed red meats, sweet bakery products, cured meats, milk, cheese, pizza, unprocessed poultry, Mexican mixed dishes, eggs, and combined fruits and vegetables.ConclusionsAlthough dairy contributed ∼30% of SF compared to ∼20% for total meat, the top specific food category source of SF was unprocessed red meats, which ranked in the top 2 food category sources of SF for most subgroups. These findings may be useful for further research to examine the relationship between the different sources of SF and health outcomes.

Dataset Information

United States' neighborhood park use and physical activity over two years: The National Study of Neighborhood Parks.

Publications

United States' neighborhood park use and physical activity over two years: The National Study of Neighborhood Parks.

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