Effective management of cardio-metabolic risk factors linked to the built environment
Scientists test a novel metric that links cardio-metabolic risk factors in men and women to the built environment
Peer-Reviewed PublicationIMAGE: RESEARCHERS HAVE USED A NEW METRIC TO SHOW THAT CARDIO-METABOLIC RISK FACTORS FOR MEN AND WOMEN ARE LINKED TO THE BUILT ENVIRONMENT. view more
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Ishikawa, Japan -- Cardiovascular disease is still one of the two leading causes of non-communicable disease burden and death in North America. A growing body of evidence has linked the built environment to cardiovascular disease risk. A tried and tested approach to preventing cardiovascular disease is to target modifiable risk factors, such as physical activity. For instance, effective population-level interventions have immense potential to reduce cardiovascular disease burdens.
Drawing attention to the built environment's influence on cardio-metabolic health is gaining traction, given its well-known positive influence on physical activity. While many studies have investigated this association, generalizations cannot be applied between different countries due to differences in climate, healthcare systems, and culture. Furthermore, while the metrics employed to establish possible links between cardio-metabolic risk factors and the built environment have proven to be suitable for generating predictions, the information generated cannot be easily incorporated into making changes in urban design policy.
In a new study published in Preventive Medicine, a group of researchers led by Associate Professor Mohammad Javad Koohsari from the Japan Advanced Institute of Science and Technology, an adjunct researcher at the Waseda University as well, propose using a new metric, the space syntax walkability index, to address this limitation. Professor Koichiro Oka from Waseda University, Professor Tomoki Nakaya from Tohoku University, and Associate Professor Gavin R. McCormack from the University of Calgary in Canada were also involved in planning and executing the study.
Elaborating on the team's motivation, Dr. Koohsari says, "There is a growing awareness about the impact of urban design on cardio-metabolic health, but most of this work is based on studies in the US. We wanted to explore this relationship in the Canadian context, since findings from different geographical contexts may lack generalizability. While Canada is similar to Western developed countries in terms of its burden of cardio-metabolic risk factors, the interventions needed must account for local nuances."
The research team analyzed data collected from 7,171 participants enrolled in the second wave of Alberta's Tomorrow Project (ATP). These participants lived in urban areas, had provided biological samples (serum, blood, and urine) for cardio-metabolic analyses, and had completed the follow-up health and lifestyle survey. Geographic information systems were then used to calculate two metrics, the traditional walkability index and the space syntax walkability index.
The research group's new urban design metric incorporates space syntax theory. By quantifying the degree of connectivity between streets, the space syntax walkability index represents street integration and describes how well connected a particular street is to others in the area. A highly integrated network requires fewer changes in direction to reach one's destination. "We found that the novel space syntax walkability metric was negatively correlated to systolic and diastolic blood pressure in men. This metric was also associated with less obesity among men and women. This shows that walkability in urban areas is linked to cardio-metabolic risk factors," stresses Dr. Koohsari when expanding on the study's conclusions.
So how can urban designers and planners improve our cities and design better interventions using this data?
Population-wide changes in cardio-metabolic risk factors can be implemented by creating health-supportive built environments, which enable people to easily make daily, healthy choices via long-term structural features. Dr. Koohsari explains, "This novel metric is likely to allow urban designers to identify poorly designed neighborhoods and target these environments for interventions specific to improving the cardio-metabolic risk factors. However, further studies are needed to better understand the relationships between neighborhood built environment and cardio-metabolic risk factors.”
Our altered lifestyle patterns and growing urbanization need not necessarily spell doom for our health and wellbeing. Through scientifically informed decision making and health-friendly planning, we can design built environments that support our fitness goals. This study is a right step in that direction.
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Title of original paper: | Urban design and cardio-metabolic risk factors |
Authors: | Mohammad Javad Koohsari*, Koichiro Oka, Tomoki Nakaya, Jennifer Vena, Tyler Williamson, Hude Quan, and Gavin R. McCormack |
Journal: | Preventive Medicine |
DOI: |
About Japan Advanced Institute of Science and Technology, Japan
Founded in 1990 in Ishikawa prefecture, the Japan Advanced Institute of Science and Technology (JAIST) was the first independent national graduate school in Japan. Now, after 30 years of steady progress, JAIST has become one of Japan’s top-ranking universities. JAIST counts with multiple satellite campuses and strives to foster capable leaders with a state-of-the-art education system where diversity is key; about 40% of its alumni are international students. The university has a unique style of graduate education based on a carefully designed coursework-oriented curriculum to ensure that its students have a solid foundation on which to carry out cutting-edge research. JAIST also works closely both with local and overseas communities by promoting industry–academia collaborative research.
About Associate Professor Mohammad Javad Koohsari from Japan Advanced Institute of Science and Technology, Japan
Dr Koohsari is an Associate Professor at the Creative Society Design Research Area, Japan Advanced Institute of Science and Technology in Japan. He also became an Adjunct Researcher with the Faculty of Sport Sciences at Waseda University, Japan. Dr Koohsari's research focuses on how built and virtual environment science can contribute to health, especially in the context of super-aged societies. Dr Koohsari has a publication record with over 110 refereed journal articles (such as at Nature Reviews Cardiology). In 2020 and 2021, he was recognised in the top 2% of most influential researchers worldwide across all scientific disciplines (Stanford University & Elsevier). He is also included in the 'Top Scientists' list in the field of 'Social Science & Humanities' for the year 2022 (Research.com). Dr Koohsari is on the editorial board member of several major journals in the field, such as Landscape & Urban Planning and Humanities & Social Sciences Communications.
Funding information: The Alberta's Tomorrow Project is supported by funding from Alberta Health, Alberta Cancer Foundation, Canadian Partnership Against Cancer, and Health Canada. Mohammad Javad Koohsari is supported by JSPS KAKENHI (Grant 23K09701). Gavin R. McCormack is supported by a Canadian Institutes of Health Research Foundations Scheme Grant (FDN-154331). Tomoki Nakaya received funding from the Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research program (Grant 20H00040). Koichiro Oka received support from the JSPS Grants-in-Aid for Scientific Research program (Grant 20H04113).
JOURNAL
Preventive Medicine
ARTICLE TITLE
Urban design and cardio-metabolic risk factors
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