Garg, Parveen K.; Platt, Jonathan M.; Hirsch, Jana A.; Hurvitz, Philip; Rundle, Andrew; Biggs, Mary Lou; Psaty, Bruce M.; Moore, Kari; Lovasi, Gina S. (2021). Association of Neighborhood Physical Activity Opportunities with Incident Cardiovascular Disease in the Cardiovascular Health Study. Health & Place, 70.
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Abstract
We determined associations of cumulative exposures to neighborhood physical activity opportunities with risk of incident cardiovascular disease (CVD). We included 3595 participants from the Cardiovascular Health Study recruited between 1989 and 1993 (mean age = 73; 60% women; 11% black). Neighborhood environment measures were calculated using Geographic Information Systems (GIS) and annual information from the National Establishment Time Series database, including the density of (1) walking destinations and (2) physical activity/ recreational facilities in a 1- and 5-km radius around the respondent's home. Incident CVD was defined as the development of myocardial infarction, stroke, or cardiovascular death and associations with time to incident CVD were estimated using Cox proportional hazards models. A total of 1986 incident CVD cases occurred over a median follow-up of 11.2 years. After adjusting for baseline and time-varying individual and neighborhood-level confounding, a one standard deviation increase in walking destinations and physical activity/recreational facilities within 5 km of home was associated with a respective 7% (95% confidence interval (CI) = 0.87-0.99) and 12% (95% CI = 0.73-1.0) decreased risk of incident CVD. No significant associations were noted within a 1-km radius. Efforts to improve the availability of physical activity resources in neighborhoods may be an important strategy for lowering CVD.
Keywords
Cardiovascular Diseases; Physical Activity; Proportional Hazards Models; Geographic Information Systems; Recreation Centers; Built Environment; Cardiovascular Disease; Coronary-heart-disease; Census Tract Data; Older-adults; Longitudinal Associations; Risk; Resources; Time; Atherosclerosis; Survival
Xiang, Wei-qi; Yang, Xiao-hua; Li, Yu-qi. (2021). A Set Pair Analysis Model for Suitability Evaluation of Human Settlement Environment. Thermal Science, 25(3B), 2109 – 2116.
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Abstract
The human settlement environment is a dynamic subsystem where people live and produce in the social system. This paper aims at evaluating comprehensively the suitability state of a given human settlement environment in a certain time and space and its evolutionary trend, the set pair analysis theory and its connection numbers are introduced into the suitability evaluation, and the set of human settlements is established. The set pair analysis model based on partial connection number is used to assess the suitability status and the development trend of human settlements in Guizhou Province from 2014 to 2017. The result shows that the set pair analysis model has the features of convenience, impersonality and good feasibility.
Keywords
Human Ecology; Human Settlements; Number Theory; Social Systems; Guizhou Sheng (china); Human Settlement Environment; Partial Connection Number; Set Pair Analysis; Suitability Evaluation
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