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Title: The association between neighbourhood greenspace and type 2 diabetes in a large cross-sectional study
Authors: Bodicoat, Danielle H.
O'Donovan, Gary
Dalton, A. M.
Gray, Laura J.
Yates, Thomas
Edwardson, Charlotte
Hill, Sian
Webb, David R.
Khunti, Kamlesh
Davies, Melanie J.
Jones, A. P.
First Published: 23-Dec-2014
Publisher: BMJ Publishing Group: Open Access
Citation: BMJ Open, 2014, 4 (12), e006076
Abstract: OBJECTIVE: To investigate the relationship between neighbourhood greenspace and type 2 diabetes. DESIGN: Cross-sectional. SETTING: 3 diabetes screening studies conducted in Leicestershire, UK in 2004-2011. The percentage of greenspace in the participant's home neighbourhood (3 km radius around home postcode) was obtained from a Land Cover Map. Demographic and biomedical variables were measured at screening. PARTICIPANTS: 10,476 individuals (6200 from general population; 4276 from high-risk population) aged 20-75 years (mean 59 years); 47% female; 21% non-white ethnicity. MAIN OUTCOME MEASURE: Screen-detected type 2 diabetes (WHO 2011 criteria). RESULTS: Increased neighbourhood greenspace was associated with significantly lower levels of screen-detected type 2 diabetes. The ORs (95% CI) for screen-detected type 2 diabetes were 0.97 (0.80 to 1.17), 0.78 (0.62 to 0.98) and 0.67 (0.49 to 0.93) for increasing quartiles of neighbourhood greenspace compared with the lowest quartile after adjusting for ethnicity, age, sex, area social deprivation score and urban/rural status (P[subscript: trend]=0.01). This association remained on further adjustment for body mass index, physical activity, fasting glucose, 2 h glucose and cholesterol (OR (95% CI) for highest vs lowest quartile: 0.53 (0.35 to 0.82); P[subscript: trend]=0.01). CONCLUSIONS: Neighbourhood greenspace was inversely associated with screen-detected type 2 diabetes, highlighting a potential area for targeted screening as well as a possible public health area for diabetes prevention. However, none of the risk factors that we considered appeared to explain this association, and thus further research is required to elicit underlying mechanisms. TRIAL REGISTRATION NUMBER: This study uses data from three studies (NCT00318032, NCT00677937, NCT00941954).
DOI Link: 10.1136/bmjopen-2014-006076
eISSN: 2044-6055
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2014. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See:
Appears in Collections:Published Articles, Dept. of Health Sciences

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