Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/111137
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dc.contributor.author | Carroll, S. | - |
dc.contributor.author | Niyonsenga, T. | - |
dc.contributor.author | Coffee, N. | - |
dc.contributor.author | Taylor, A. | - |
dc.contributor.author | Daniel, M. | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | International Journal of Environmental Research and Public Health, 2017; 14(9):953-1-953-17 | - |
dc.identifier.issn | 1661-7827 | - |
dc.identifier.issn | 1660-4601 | - |
dc.identifier.uri | http://hdl.handle.net/2440/111137 | - |
dc.description.abstract | Associations between local-area residential features and glycosylated hemoglobin (HbA1c) may be mediated by individual-level health behaviors. Such indirect effects have rarely been tested. This study assessed whether individual-level self-reported physical activity mediated the influence of local-area descriptive norms and objectively expressed walkability on 10-year change in HbA1c. HbA1c was assessed three times for adults in a 10-year population-based biomedical cohort (n = 4056). Local-area norms specific to each participant were calculated, aggregating responses from a separate statewide surveillance survey for 1600 m road-network buffers centered on participant addresses (local prevalence of overweight/obesity (body mass index ≥25 kg/m²) and physical inactivity (<150 min/week)). Separate latent growth models estimated direct and indirect (through physical activity) effects of local-area exposures on change in HbA1c, accounting for spatial clustering and covariates (individual-level age, sex, smoking status, marital status, employment and education, and area-level median household income). HbA1c worsened over time. Local-area norms directly and indirectly predicted worsening HbA1c trajectories. Walkability was directly and indirectly protective of worsening HbA1c. Local-area descriptive norms and walkability influence cardiometabolic risk trajectory through individual-level physical activity. Efforts to reduce population cardiometabolic risk should consider the extent of local-area unhealthful behavioral norms and walkability in tailoring strategies to improve physical activity. | - |
dc.description.statementofresponsibility | Suzanne J. Carroll, Theo Niyonsenga, Neil T. Coffee, Anne W. Taylor and Mark Daniel | - |
dc.language.iso | en | - |
dc.publisher | MDPI AG | - |
dc.rights | © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | - |
dc.source.uri | http://dx.doi.org/10.3390/ijerph14090953 | - |
dc.subject | Physical activity; cardiometabolic disease; residential environments; descriptive norms; built environment; walkability; mediation; glycosylated hemoglobin | - |
dc.title | Does physical activity mediate the associations between local-area descriptive norms, built environment walkability, and glycosylated hemoglobin? | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.3390/ijerph14090953 | - |
dc.relation.grant | http://purl.org/au-research/grants/nhmrc/570150 | - |
dc.relation.grant | http://purl.org/au-research/grants/nhmrc/631917 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Coffee, N. [0000-0002-5075-0737] | - |
dc.identifier.orcid | Taylor, A. [0000-0002-4422-7974] | - |
Appears in Collections: | Aurora harvest 3 Geography, Environment and Population publications |
Files in This Item:
File | Description | Size | Format | |
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hdl_111137.pdf | Published version | 1.35 MB | Adobe PDF | View/Open |
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