People living in hilly residential areas in metropolitan Perth have less diabetes: Spurious association or important environmental determinant?

Karen Villanueva, Matthew Knuiman, MohammadJavad Koohsari, Sharyn Hickey, Sarah Foster, Hannah Badland, Andrea Nathan, Fiona Bull, Billie Giles-Corti

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background: Variations in 'slope' (how steep or flat the ground is) may be good for health. As walking up hills is a physiologically vigorous physical activity and can contribute to weight control, greater neighbourhood slopes may provide a protective barrier to weight gain, and help prevent Type 2 diabetes onset. We explored whether living in 'hilly' neighbourhoods was associated with diabetes prevalence among the Australian adult population. Methods: Participants (≥25 years; n = 11,406) who completed the Western Australian Health and Wellbeing Surveillance System Survey (2003-2009) were asked whether or not they had medically-diagnosed diabetes. Geographic Information Systems (GIS) software was used to calculate a neighbourhood mean slope score, and other built environment measures at 1600 m around each participant's home. Logistic regression models were used to predict the odds of self-reported diabetes after progressive adjustment for individual measures (i.e., age, sex), socioeconomic status (i.e., education, income), built environment, destinations, nutrition, and amount of walking. Results: After full adjustment, the odds of self-reported diabetes was 0.72 (95% CI 0.55-0.95) and 0.52 (95% CI 0.39-0.69) for adults living in neighbourhoods with moderate and higher levels of slope, respectively, compared with adults living in neighbourhoods with the lowest levels of slope. The odds of having diabetes was 13% lower (odds ratio 0.87; 95% CI 0.80-0.94) for each increase of one percent in mean slope. Conclusions: Living in a hilly neighbourhood may be protective of diabetes onset or this finding is spurious. Nevertheless, the results are promising and have implications for future research and the practice of flattening land in new housing developments.

Original languageEnglish
Article number59
JournalInternational Journal of Health Geographics
Volume12
Issue number1
DOIs
Publication statusPublished - 2013 Jan 1
Externally publishedYes

Fingerprint

Medical problems
Walking
Logistic Models
Education
Geographic Information Systems
Health
Weight control
Social Class
Type 2 Diabetes Mellitus
Weight Gain
Nutrition
Diabetes
Geographic information systems
Software
Logistics
Odds Ratio
Weights and Measures
Population

Keywords

  • Adults
  • Built environment
  • Diabetes
  • Hilly
  • Neighbourhood
  • Slope
  • Terrain
  • Walking

ASJC Scopus subject areas

  • Computer Science(all)
  • Business, Management and Accounting(all)
  • Public Health, Environmental and Occupational Health

Cite this

People living in hilly residential areas in metropolitan Perth have less diabetes : Spurious association or important environmental determinant? / Villanueva, Karen; Knuiman, Matthew; Koohsari, MohammadJavad; Hickey, Sharyn; Foster, Sarah; Badland, Hannah; Nathan, Andrea; Bull, Fiona; Giles-Corti, Billie.

In: International Journal of Health Geographics, Vol. 12, No. 1, 59, 01.01.2013.

Research output: Contribution to journalArticle

Villanueva, Karen ; Knuiman, Matthew ; Koohsari, MohammadJavad ; Hickey, Sharyn ; Foster, Sarah ; Badland, Hannah ; Nathan, Andrea ; Bull, Fiona ; Giles-Corti, Billie. / People living in hilly residential areas in metropolitan Perth have less diabetes : Spurious association or important environmental determinant?. In: International Journal of Health Geographics. 2013 ; Vol. 12, No. 1.
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abstract = "Background: Variations in 'slope' (how steep or flat the ground is) may be good for health. As walking up hills is a physiologically vigorous physical activity and can contribute to weight control, greater neighbourhood slopes may provide a protective barrier to weight gain, and help prevent Type 2 diabetes onset. We explored whether living in 'hilly' neighbourhoods was associated with diabetes prevalence among the Australian adult population. Methods: Participants (≥25 years; n = 11,406) who completed the Western Australian Health and Wellbeing Surveillance System Survey (2003-2009) were asked whether or not they had medically-diagnosed diabetes. Geographic Information Systems (GIS) software was used to calculate a neighbourhood mean slope score, and other built environment measures at 1600 m around each participant's home. Logistic regression models were used to predict the odds of self-reported diabetes after progressive adjustment for individual measures (i.e., age, sex), socioeconomic status (i.e., education, income), built environment, destinations, nutrition, and amount of walking. Results: After full adjustment, the odds of self-reported diabetes was 0.72 (95{\%} CI 0.55-0.95) and 0.52 (95{\%} CI 0.39-0.69) for adults living in neighbourhoods with moderate and higher levels of slope, respectively, compared with adults living in neighbourhoods with the lowest levels of slope. The odds of having diabetes was 13{\%} lower (odds ratio 0.87; 95{\%} CI 0.80-0.94) for each increase of one percent in mean slope. Conclusions: Living in a hilly neighbourhood may be protective of diabetes onset or this finding is spurious. Nevertheless, the results are promising and have implications for future research and the practice of flattening land in new housing developments.",
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AU - Hickey, Sharyn

AU - Foster, Sarah

AU - Badland, Hannah

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AU - Bull, Fiona

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