Elsevier

Health & Place

Volume 13, Issue 2, June 2007, Pages 335-340
Health & Place

Is availability of public open space equitable across areas?

https://doi.org/10.1016/j.healthplace.2006.02.003Get rights and content

Abstract

This study examined whether availability of public open spaces that can be used for recreation varies according to neighbourhood socio-economic disadvantage. Density and area of public open spaces were examined using a geographic information system and postal boundaries were used to define neighbourhoods. Neighbourhood socio-economic status (SES) was stratified into quintiles. Once neighbourhood population and geographic area were considered there were no differences in the number or total area of free-access, restricted access or sporting/recreation open spaces across quintiles of neighbourhood SES. Future research should examine whether the quality of public open spaces differ by neighbourhood SES.

Introduction

Physically inactive lifestyles are a major contributor to the burden of disease in industrialised nations, with inactivity associated with increased risk of conditions such as cardiovascular disease, diabetes and depression (US Department of Health and Human Services, 1996). Globally, it is estimated that 58% of people aged 15 years or over are insufficiently active for health (World Health Organisation, 2002). However, some groups are at greater risk of inactivity than others. Disparities in physical activity according to socio-economic status (SES) have been well documented, with individuals of low SES generally less likely to be physically active, regardless of how SES is defined (US Department of Health and Human Services, 1996). Disparities in physical activity have also been documented according to neighbourhood or area-level SES or deprivation, even after adjusting for individual-level SES (Kavanagh et al., 2005; Sundquist et al., 1999).

The reasons for disparities in physical activity according to neighbourhood-level SES are largely unknown. However, reviews of the determinants of physical activity indicate that the physical environment may be an important influence (McCormack et al., 2004; Saelens et al., 2003; Trost et al., 2002), and it is suggested that features of the environment relevant to physical activity may vary according to neighbourhood SES (Macintyre and Ellaway, 1998). For example, although pay-for-use physical activity resources were shown to be equitably distributed according to neighbourhood SES, Estabrooks et al. (2003) found that more free-for-use physical activity resources were available in high compared to low and medium SES neighbourhoods. Few other studies have explored how the environment relevant to physical activity may differ according to neighbourhood SES.

Public open spaces and formal parks are important environmental features that may facilitate physical activity among children and adults (Bedimo-Rung et al., 2005), both as a facility where physical activity can take place and as a potential destination to which to walk or cycle. Public open spaces are popular facilities for recreational physical activity (Giles-Corti and Donovan, 2002; Sallis et al., 1990) and a high proportion of people are observed engaging in ‘active’ activities while at parks (Godbey et al., 2005). Compared to non-users, users of public open space are more likely to participate in sufficient physical activity for health and in regular walking (Giles-Corti et al., 2005), and a greater proportion of adults who are regularly vigorously active report using parks as an exercise site compared to those who do no vigorous physical activity (Sallis et al., 1990). Furthermore, proximity to public open spaces has been shown to influence use (Tinsley et al., 2002; Giles-Corti and Donovan, 2002; Giles-Corti et al., 2005), area of green spaces and sports grounds close to home have been associated with cycling (Wendel-Vos et al., 2004) and a lack of nearby parks has been negatively associated with children's local walking and cycling (Timperio et al., 2004). However, the distribution of public open spaces across urban neighbourhoods of varying SES is largely unknown (Bedimo-Rung et al., 2005).

Inequities in the availability of public open spaces may be a potential explanation for disparities in physical activity according to neighbourhood SES. This study examined the hypothesis that low SES neighbourhoods have fewer public open spaces and less area of public open space than high SES neighbourhoods.

Section snippets

Methods

Density and area of public open spaces across neighbourhoods of varying SES in Melbourne, the second largest city in Australia, were examined using Geographic Information Systems (GIS). Neighbourhoods were defined as postal districts. The study area covered 2700 km2 and included 177 neighbourhoods within 30 km from the Central Business District (CBD) of Melbourne, excluding the CBD and any postcodes that applied to a single point (e.g., mail centres), high volume postal location (e.g., newspaper

Results

In general, neighbourhoods classified as low SES were larger than those classified as higher SES (Table 1). Overall, there were 5415 unique freely accessible open spaces across the study area covering a total area of 213 km2, 195 reserved access open spaces covering a total of 72 km2, and 780 open spaces classified as ‘sport and recreation’ covering a total of 90 km2. As shown in Table 1, there were a greater number of freely available open spaces in neighbourhoods with the lowest SES compared to

Discussion

Our results did not support the hypothesis that low SES neighbourhoods have less public open space than high SES neighbourhoods. Overall, availability of open space appears to be distributed equitably across neighbourhoods when the population and total geographic area being serviced are considered, regardless of whether access to the spaces was free or restricted. This is in contrast to previous research in the US where more free-for-use physical activity resources were available in high

Acknowledgements

The authors wish to thank the Australian Research Centre for Urban Ecology for supplying the Open Space 2002 dataset. Anna Timperio and Jo Salmon are supported by Public Health Fellowships from the Victorian Health Promotion Foundation (VicHealth). Kylie Ball and David Crawford are supported by National Health and Medical Research Council/National Heart Foundation Career Development Awards.

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