Evidence map›Paper›PMID 42393608›Full record

ArticleBMC public health2026

Private garden exposure and public park access in relation to type-2 diabetes incidence: a UK Biobank cohort study.

Chinonso Christian Odebeatu, Darsy Darssan, Charlotte Roscoe, Simon Reid, Nicholas J Osborne

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Article in BMC public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Chinonso Christian OdebeatuSchool of Public Health, Faculty of Health, Medicine and Behavioural Science, The University of Queensland, Herston, Brisbane, 4006, Australia. chinonsoodebeatu@gmail.com.
Darsy DarssanSchool of Public Health, Faculty of Health, Medicine and Behavioural Science, The University of Queensland, Herston, Brisbane, 4006, Australia.
Charlotte RoscoeDepartment of Environmental Health, Channing Division of Network Medicine, Harvard T.H Chan School of Public Health, Boston, MA, USA.
Simon ReidSchool of Public Health, Faculty of Health, Medicine and Behavioural Science, The University of Queensland, Herston, Brisbane, 4006, Australia.
Nicholas J OsborneSchool of Public Health, Faculty of Health, Medicine and Behavioural Science, The University of Queensland, Herston, Brisbane, 4006, Australia. n.osborne@uq.edu.au.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundExisting longitudinal studies examining the relationship between greenspace exposure and incidence of type-2 diabetes (T2D) have primarily operationalized greenspace using vegetation indices. Little is known about the effect of greenspace types (e.g., private gardens) and public park access.

methodsWe investigated the associations between residential greenspace exposure, including private gardens (determined using Ordnance Survey MasterMap™ Greenspace) and public park access, with the incidence of T2D using the UK Biobank (UKBB) data. Public park access, such as nearest distances (i.e., walkable road network and Euclidean), and the number of parks were calculated for each participant. The incidence of T2D was ascertained through linkage of hospital admissions data. Cox proportional hazard models, adjusting for covariates, were used to estimate the hazard ratios (HR) and 95% confidence intervals (CI). We also performed stratified analyses by age, sex, neighbourhood deprivation, and family history of diabetes.

resultsOf the 423,282 UKBB participants (mean age:56.36 years) included in the study, 19,648 developed T2D over a median follow-up of 15.41 years. Compared to the first quartile, participants in the highest quartile of private garden cover (%) had a reduced risk of T2D (HR: 0.932; 95%CI: 0.88, 0.983). For park access, nearest distance (whether walkable or Euclidean) was not associated with the incidence of T2D. However, having a higher number of parks, particularly three or more parks within an 800-m buffer of the home location, was found to lower the incidence of T2D (HR: 0.943; 95% CI: 0.906, 0.981). Stratified analyses revealed that the beneficial effects of private gardens were stronger among participants in deprived areas and those without a family history of diabetes.

conclusionPrivate residential gardens exposure (often overlooked in greenspace-health research) and a higher number of parks around homes were found to lower the incidence of T2D. This has implications for urban planning and public health, particularly in the prevention and management of diabetes.

Indexed as

Diabetes Mellitus, Type 2GardensParks, RecreationalAgedCohort StudiesFemaleHumansIncidenceMaleMiddle AgedNeighborhood CharacteristicsResidence CharacteristicsUK BiobankUnited KingdomEuclidean distancenumber of parksPrivate residential gardenpublic parktype-2 diabeteswalkable road network distance

Identifiers

PMID42393608
PMCPMC13445804

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.