Toxic mix of fast-food outlets in inner city neighbourhoods fuelling diabetes and obesity epidemic
New study led by University of Leicester reveals that there is TWICE the number of fast-food outlets in inner city neighbourhoods with high density non-white ethnic minority groups and in socially deprived areas
“The results are quite alarming and have major implications for public health interventions to limit the number of fast food outlets in more deprived areas.”- Professor Kamlesh Khunti, University of Leicester
How close you are to fast-food outlets may be linked to your risk of Type-2 diabetes and obesity a new study led by the University of Leicester has discovered.
The research found that there was a higher number of fast-food outlets within 500 metres of inner-city neighbourhoods described as non-white as well as in socially deprived areas.
The researchers warn that their findings, based on a study of over 10,000 people, have important implications for diabetes prevention and for those granting planning permission for fast-food outlets.
“Our study suggests that for every additional two outlets per neighbourhood, we would expect one additional diabetes case, assuming a causal relationship between the fast-food outlet and diabetes,” the study authors write in the study published in Public Health Nutrition.
The research was carried out by a team from the University of Leicester’s Diabetes Research Centre, Department of Health Sciences and Department of Geography in collaboration with the Leicester Diabetes Centre based at Leicester General Hospital. The Leicester Diabetes Centre is an alliance between the University Hospitals of Leicester NHS Trust (Leicester’s Hospitals), the University of Leicester, the local community and Primary Care.
Professor Melanie Davies and Professor Kamlesh Khunti, Co-Directors of the Department have been conducting one of the largest screening studies with south Asian patients. The data from this study has also helped with recommendations for the NHS Health Checks Programme.
Professor Kamlesh Khunti, Professor of Primary Care Diabetes & Vascular Medicine at the University of Leicester, said: “In a multi-ethnic region of the UK, individuals had on average two fast-food outlets within 500m of their home.
“This number differed substantially by key demographics, including ethnicity; people of non-white ethnicity had more than twice the number of fast-food outlets in their neighbourhood compared with White Europeans. We found that the number of fast-food outlets in a person’s neighbourhood was associated with an increased risk of screen-detected type 2 diabetes and obesity.
“We found a much higher number of fast food outlets in more deprived areas where a higher number of black and minority ethnic populations resided. This in turn was associated with higher prevalence of obesity and diabetes. The results are quite alarming and have major implications for public health interventions to limit the number of fast food outlets in more deprived areas.”
Dr Patrice Carter, the lead author with Dr Danielle Bodicoat stated “This work has several notable strengths; namely, it is the first study, to our knowledge, to look at the association between the number of neighbourhood fast-food outlets and type 2 diabetes in a multi-ethnic population. Although it is not possible to infer causal effect, our study found that plausible causal mechanisms exist.
“The observed association between the number of fast-food outlets with obesity and type 2 diabetes does not come as a surprise; fast-food is high in total fat, trans-fatty acids and sodium, portion sizes have increased two to fivefold over the last 50 years and a single fast-food meal provides approximately 5860 kJ (1400 kcal). Furthermore, fast-food outlets often provide sugar-rich drinks.”
The study team add: “Our research is cross sectional by design, so results should be interpreted with caution and further research is required.”
The research was supported by the National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care East Midlands (NIHR CLAHRC EM), the Leicester Clinical Trials Unit and the NIHR Leicester–Loughborough Diet, Lifestyle and Physical Activity Biomedical Research Unit, which is a partnership between University Hospitals of Leicester NHS Trust, Loughborough University and the University of Leicester.
The researchers are: Danielle H Bodicoat1, Patrice Carter1, Alexis Comber2, Charlotte Edwardson1, Laura J Gray3, Sian Hill1, David Webb1, Thomas Yates1, Melanie J Davies1 and Kamlesh Khunti1
Notes for editors:
1 University of Leicester, Diabetes Research Centre and Leicester Diabetes Centre, Leicester General Hospital, Gwendolen Road, Leicester LE5 4PW, UK:
2 University of Leicester, Department of Geography, Leicester, UK:
3 University of Leicester, Department of Health Sciences and Leicester Diabetes Centre, Leicester General Hospital, Leicester, UK
Danielle H Bodicoat, Patrice Carter, Alexis Comber, Charlotte Edwardson, Laura J Gray, Sian Hill, David Webb, Thomas Yates, Melanie J Davies and Kamlesh Khunti. Is the number of fast-food outlets in the neighbourhood related to screen-detected type 2 diabetes mellitus and associated risk factors? Public Health Nutrition, available on CJO2014. doi:10.1017/S1368980014002316.
About the National Institute for Health Research
The National Institute for Health Research (NIHR) is funded by the Department of Health to improve the health and wealth of the nation through research. Since its establishment in April 2006, the NIHR has transformed research in the NHS. It has increased the volume of applied health research for the benefit of patients and the public, driven faster translation of basic science discoveries into tangible benefits for patients and the economy, and developed and supported the people who conduct and contribute to applied health research. The NIHR plays a key role in the Government’s strategy for economic growth, attracting investment by the life-sciences industries through its world-class infrastructure for health research. Together, the NIHR people, programmes, centres of excellence and systems represent the most integrated health research system in the world. For further information, visit the NIHR website (www.nihr.ac.uk).
CLAHRC EM website is http://www.clahrc-em.nihr.ac.uk
Issued by the University of Leicester Press Office on 11 November 2014
Research published ahead of World Diabetes Day on 14 November, 2014
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