Effects of buffer size and shape on associations between the built environment and energy balance

James, Peter; Berrigan, David; Hart, Jaime E.; Hipp, J. Aaron; Hoehner, Christine M.; Kerr, Jacqueline; Major, Jacqueline M.; Oka, Masayoshi; Laden, Francine

doi:10.1016/j.healthplace.2014.02.003

Cited by 170 publications

(178 citation statements)

References 56 publications

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“…a distance that most people are willing to walk. Most previous studies used 0.5 mile (∼800 m) and/or 1 mile (∼1,600 m), which corresponds relatively well to the present study [19]. The number of fast-food outlets within the buffer zones was calculated using GIS.…”

Section: Methodssupporting

confidence: 59%

Association between Childhood Obesity and Neighbourhood Accessibility to Fast-Food Outlets: A Nationwide 6-Year Follow-Up Study of 944,487 Children

Hamano

Li²,

Sundquist³

et al. 2017

Obes Facts

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Objectives: The aim of this 6-year follow-up study was to examine whether neighbourhood accessibility to fast-food outlets was associated with diagnosed childhood obesity, after adjustment for neighbourhood- and individual-level socio-demographic factors. Methods: This 6-year follow-up study comprised 484,677 boys and 459,810 girls aged 0-14 years in Sweden. The follow-up period ran from January 1, 2005, until hospitalisation/out-patient treatment for obesity, death, emigration or the end of the study period on December 31, 2010. Multilevel logistic regression models (individual-level factors at the first level and neighbourhood-level factors at the second level) were used to calculate odds ratios (ORs) with 95% confidence intervals (95% CIs). Results: We identified 6,968 obesity cases (3,878 boys and 3,090 girls) during the follow-up period. Higher odds of childhood obesity for those living in neighbourhoods with accessibility to fast-food outlets was observed (OR = 1.14, 95% CI = 1.07-1.22) that remained significant after adjustments (OR = 1.06, 95% CI = 1.00-1.13). Conclusions: This prospective nationwide study showed that the neighbourhood accessibility to fast-food outlets was independently associated with increased odds of diagnosed childhood obesity. This finding implicates that residential environments should be considered when developing health promotion programmes.

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Section: Methodssupporting

confidence: 59%

Association between Childhood Obesity and Neighbourhood Accessibility to Fast-Food Outlets: A Nationwide 6-Year Follow-Up Study of 944,487 Children

Hamano

Li²,

Sundquist³

et al. 2017

Obes Facts

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show abstract

“…to 1600m. 4 Studies often use or only report associations within one neighbourhood definition. Findings within this study suggest such differences may have some consequences for research findings but only for associations between supermarkets and BMI.…”

Section: Insert Table 1 Herementioning

confidence: 99%

How different data sources and definitions of neighbourhood influence the association between food outlet availability and body mass index: a cross-sectional study

Hobbs

Green

Griffiths

et al. 2016

Perspect Public Health

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Inconsistencies in methodologies continue to inhibit understanding of the impact of the environment on body mass index (BMI). To estimate the effect of these differences we assessed the impact of using different definitions of neighbourhood and datasets on associations between food outlet availability within the environment and BMI. Previous research has not extended to show any differences in the strength of associations between food outlet availability and BMI across both different definitions of neighbourhood and datasets. Descriptive statistics showed differences in the number of food outlets, particularly other food retail outlets between different datasets and definitions of neighbourhood. Despite these differences, our key finding was that across both different definitions of neighbourhood and datasets there was very little difference in size of associations between food outlets and BMI. Researchers should consider and transparently report the impact of methodological choices such as the definition of neighbourhood and acknowledge any differences in associations between the food environment and BMI.

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“…While MAUP argues that the size of the polygon used to measure place matters, UGeoCP focuses on the true link between place attributes and the person, and SPACES highlights the fact that time-stamped and person-aware measures may be the way to advance research on person environment interaction. Our approach adds to previous work (James et al, 2014) showing that the shape of geographical polygons representing meaningful places matters when attempting to quantify environmental exposures. More simply, we argue that the properties of the geometrical forms used to capture a person's habitat merits special attention.…”

Section: Neighbourhoodmentioning

confidence: 88%

Using hand-draw maps of residential neighbourhood to compute level of circularity and investigate its predictors

Carlos¹,

J.²

2015

hgeo

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Investigating individuals' Hand-Drawn Residential Neighbourhood (HDRN) maps may help determine some of the basic geometrical properties found in cognitive maps of meaningful geographical spaces. The main objective was to empirically determine an optimal radius size for measuring environmental attributes of the RN when using circular spatial buffers. HDRN maps from the Making Connections study were explored using minimum bounded circles (MBC). Baseline data on 4,742 community-dwelling adults showed that 30% of people drew HDRN that included > 70% of the MBC. We recommend 0.25 miles as an optimum radius size when attempting to measure aspects of the RN. Multivariate linear regressions indicated lower levels of circularity for females, non-Latinoothers, for people living longer in their residential neighbourhood, and for large drawn polygons. In contrast, regression results indicated higher levels of circularity for nonLatino-blacks (compared to non-Latino-whites) and those with some college education (compared to those with a bachelors' degree and beyond). We conclude with advice on best practices for measuring environmental attributes of residential neighbourhoods when using circular spatial buffers.

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Effects of buffer size and shape on associations between the built environment and energy balance

Cited by 170 publications

References 56 publications

Association between Childhood Obesity and Neighbourhood Accessibility to Fast-Food Outlets: A Nationwide 6-Year Follow-Up Study of 944,487 Children

Association between Childhood Obesity and Neighbourhood Accessibility to Fast-Food Outlets: A Nationwide 6-Year Follow-Up Study of 944,487 Children

How different data sources and definitions of neighbourhood influence the association between food outlet availability and body mass index: a cross-sectional study

Using hand-draw maps of residential neighbourhood to compute level of circularity and investigate its predictors

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