BackgroundIn Qatar, as with other countries, non-communicable diseases (NCDs) have been the leading cause of death. This study aims to describe the prevalence of four NCDs clusters (cardiovascular diseases (coronary heart disease, stroke and peripheral vascular disease), cancers, chronic obstructive pulmonary diseases (COPD) and type 2 diabetes (T2DM)) by age, gender and nationality (Qataris and non-Qataris) accessing publicly funded primary care services to inform healthcare planning and strategies.MethodsCross-sectional study design was used. Data for individuals aged ≥18 and who visited a publicly funded primary health centre in Qatar during 2017 were extracted from electronic medical records and analysed.ResultsThe findings showed that approximately 16.2 % of the study population (N = 68 421) had one or more of the four NCDs. The prevalence of NCDs showed an increasing trend with increasing age. Highest increases in the prevalence of NCDs were seen in a relatively young age group (30–49 years). The prevalence of all NCDs except cancers was higher in men. Prevalence rates of CHD and cancers in the study were found to be similar in both Qataris and non-Qataris; however, COPD and T2DM rates were higher in Qataris compared with non-Qataris. T2DM accounted for the highest prevalence of any NCD among both Qataris (230/1000) and non-Qataris (183/1000).ConclusionsAlthough not comprehensive and nationally representative, this study is suggestive of a higher prevalence of NCDs among a younger population, men and in Qatari, Western Asian, Southern Asian, Sub-Saharan Africans, South-Eastern Asians Northern African and Western European nationalities. Prevention, treatment and control of NCDs and their risk factors are a public health problem in Qatar, and resources need to be invested towards targeted interventions with a multisectoral approach.
Background: In Qatar, prevalence of metabolic components is significantly higher compared to other countries. It is therefore urgent to understand the prevalence of metabolic syndrome (MetS) with the goal of identifying etiologic factors in Qatar. This study was undertaken to estimate the prevalence of MetS, by age, gender and nationality within primary care settings in Qatar. In addition, it determined the independent effects of risk factors on the prevalence of MetS. Methods: A cross-sectional study design was used. Data for individuals aged ≥18 and who visited a publicly funded primary health centre in Qatar during 2017 were extracted from electronic medical records and analysed. Results: The findings showed that the prevalence of individual MetS components ranged between 48.5-60.3%. Overall prevalence of MetS was 48.8% (N = 62,492) in the study population. Prevalence of MetS increased with age. 50.3% of the population within the 40-49 year age group had MetS. In this age band, individuals were 5.1 times more likely of having MetS compared to the 18-29 year age group. MetS was slightly more prevalent in men (56 .7%) compared to women (42.5%). However, men were 1.33 times more likely of having MetS compared to women. The prevalence of MetS ranged between 20.6-60% across nationalities. It was most prevalent in Southern Asians (60%), followed by Northern Africans (50.7%) and Western Asians (excluding Qatar) (46.8%). Prevalence of MetS in Qataris was 43%. Southern Asians, Northern African and Western Asians were 1.73, 1.38 and 1.17 more likely to have MetS compared to Qataris. Conclusions: The study provides essential epidemiological information required by decision makers. Although not nationally representative, this study is suggestive of a higher prevalence of MetS among a younger population, men and in Southern Asian, Northern African and Western Asian nationalities. Prevention, treatment and control of MetS is a public health problem in Qatar. More studies are needed to establish which public health interventions are likely to be effective in Qatar.
Communicable disease outbreaks can spread rapidly, causing enormous losses to individual health, national economies and social well-being. Therefore, communicable disease surveillance is essential for protecting public health. In Qatar, electronic reporting from primary health centres was proposed as a means of improving disease notification, replacing a paper-based method of reporting (via internal mail, facsimile, email or telephone), which has disadvantages and requires active cooperation and engagement of staff. This study is a predescriptive and postdescriptive analysis, which compared disease notifications received from electronic and paper-based systems during 3-month evaluation periods (quarter 2 in 2016 and quarter 2 in 2018 for paper-based and electronic reporting, respectively) in terms of comprehensiveness, timeliness and completeness. For the 23 notifiable diseases included in this study, approximately twice as many notifications were received through the electronic reporting system as from the paper-based reporting system, demonstrating it is more comprehensive. An overall increase in notifications is likely to have a positive public health impact in Qatar. 100% of electronic notifications were received in a timely manner, compared with 28% for paper-based notifications. Findings of the study show that electronic reporting presents a revolutionary opportunity to advance public health surveillance. It is recommended that electronic reporting be rolled out more widely to improve the completeness, stability and representativeness of the national public health surveillance system in Qatar as well as other countries.
SARS-CoV2 a new emerging Corona Virus Disease in humans, which called for containment measures by many countries. The current paper aims to discuss the impact of two different sampling methodologies when executing a drive through COVID-19 survey on the quality of estimated disease burden measures. Secondary data analysis of a pilot cross-sectional survey targeting Qatar's primary health care registered population was done. Two groups with different sampling methods were compared for estimating COVID-19 point prevalence using molecular testing for nasopharyngeal swabs. The first group is a stratified random sample non-proportional to size (N = 260). A total of 16 population strata based on age group, gender, and nationality were sampled. The second group is the Open invitation group (N = 841). The results showed that the two groups were obviously and significantly different in age and nationality. Besides, reporting of COVID-19 symptoms was more frequent in the open invitation group (28.2%) than the random sample (16.2%). The open invitation group overestimated the symptomatic COVID-19 prevalence rate by more than four times, while it overestimated the asymptomatic COVID-19 cases by a small margin. The overall prevalence rate of active COVID-19 cases in the open invitation sample (13.3%) was almost double that of the random sample (6.9%). Furthermore, using population sampling weights reduced the prevalence rate to 0.8%. The lesson learned here is that it is wise to consider the magnitude of bias introduced in a surveillance system when relying on convenient sampling approaches in response to time constraints.
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