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‘Prevention of Type II Diabetes Mellitus in Qatar: Who is at Risk?’ Asks WCMC-Q

diabetesQatar, along with other countries in the Middle East and North Africa region, has seen an alarming rise in its rate of diabetes in recent years.

Today, the populations of several gulf state nations, including Qatar, Saudi Arabia and Kuwait, have rates of diabetes nearly three times the global average. Demographic and lifestyle factors are largely responsible for the increase of diabetes in this region, according to an article appearing in the December 2014 issue of the Qatar Medical Journal.

The article, ‘Prevention of Type II diabetes mellitus in Qatar: Who is at risk?’ presents the results of a case-control study conducted at Hamad Medical Corporation Hospital (HMC) to identify the key risk factors for Type II diabetes among Qatar’s total population, including Qatari nationals and non-Qatari expatriates. The study was led by a team of researchers at Weill Cornell Medical College in both of its branches in New York and Qatar, as well as physicians at HMC. The work was supported by the Qatar Foundation, the Weill Cornell Clinical and Translational Science Center, and the Biostatistics, Epidemiology and Biomathematics Research Core of Weill Cornell Medical College in Qatar (WCMC-Q). Principal Investigator and senior author, Dr Alvin I. Mushlin, the Nanette Laitman Distinguished Professor of Public Health in the Department of Healthcare Policy and Research at Weill Cornell Medical College in New York City, said:

The Qatar National Health Strategy has identified diabetes as one of the high-priority diseases for preventive healthcare, and for good reason. In addition to its direct effect on health and quality of life, diabetes is a cause of conditions such as diabetic retinopathy, kidney failure, cardiovascular disease and associated heart attacks, strokes, and earlier death.’

Paradoxically, the increase of diabetes and other non-communicable diseases in this region is largely tied to major improvements in economic conditions. This period has seen remarkable improvements in the health infrastructure, a lengthening of life expectancy, an increasingly aging population, and a fast pace of urbanization. At the same time the population has become more susceptible to developing diabetes and other chronic diseases associated with a more ‘Westernised’ lifestyle including calorie-rich diets and reduced physical activity. Dr Mushlin said:

We undertook this study to delineate the risk factors for diabetes in Qatar, to highlight areas for future research, and to make recommendations to lower the prevalence of this disease.’

The study involved 459 patients with Type II diabetes mellitus (DM) from HMC outpatient adult diabetes clinics, and 342 control patients from various outpatient clinics and inpatient departments at HMC, during the years 2006-2008. Lead author, Dr Paul J. Christos, Lecturer in Healthcare Policy and Research in the Division of Biostatistics and Epidemiology at Weill Cornell Medical College in New York City, said:

In our study, Qatari nationality was the strongest risk factor for DM, followed by higher income, obesity, no college education, and no vigorous or moderate exercise.’

Since over 80% of the population of Qatar consists of expatriates from countries throughout the Arab world, South Asia, and other regions, the researchers also conducted a sub-analysis of only Qatari nationals to see if this group had a different risk factor profile than the population at large. Dr Christos said:

Our analyses suggest that eliminating obesity and improving awareness about this disease may reduce DM cases by up to one third for the population at large and up to half for Qatari nationals. Promoting physical activity may reduce DM cases by up almost 10% for the population at large and by over 15% for Qatari nationals.’

Study co-author, Hiam Chemaitelly, an epidemiologist in the Infectious Disease Epidemiology Group at WCMC-Q, said:

While, recently, there have been discussions about the role of genetic factors in the rising diabetes levels, our analysis suggests that socio-economic and lifestyle factors are more influential. This should be seen as encouraging…since many lifestyle factors can be modified.

Study co-author, Dr Laith Abu-Raddad, Associate Professor and Principal Investigator of the Infectious Disease Epidemiology Group at WCMC-Q, said:

This evidence collectively supports a health prevention program focusing on modifiable risk factors such as obesity, diabetes awareness, and physical activity to reduce diabetes among Qatari nationals and non-Qatari expatriates. While further evaluation of DM risk factors among the Qatari population (as opposed to the resident population) is important and of interest, these findings highlight the need to focus short-term DM interventions on addressing demographic/lifestyle risk factors to achieve substantial and timely declines in DM levels.’

The authors say:

This study is relevant not only for Qatar, but for other countries in the region as well that have seen similar recent advances in their social and economic status. The findings point to an urgent need to further build up the public health and medical infrastructure to meet the needs of preventing the diseases that are unfortunately associated with this growth.’

Additional study co-authors include Dr Mahmoud Ali Zirie and Dr Dirk Deleu of HMC.

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