COVID-19 vaccines will become available in Democratic Republic of Congo soon. Understanding communities’ responses to the forthcoming COVID-19 vaccines is important. We was conducted an analytical cross-sectional study online in 26 provinces of the Democratic Republic of Congo during the period from January to March 2021. A total of 11971 responses were included; mean age of respondents was 35.1±10.4 years; 79.4% were males; 90.5% had university school education and 55.4% has a high socioeconomic level. A frequency of poor perception of covid-19 vaccination is 75.6%. In a multivariable regression model, age between 46-55 years, 36-45 years and 26-35 years (aOR=1.54, CI: 1.27-1.87, aOR=1.70 CI: 1.35-2.13 and aOR =3.40, CI: 2.78–4.17, respectively), None profession and liberal profession (aOR=1.75, CI: 1.49-3.34 and aOR=2.52, CI: 1.89-3.34, respectively), moderate and low socioeconomic level (aOR=3.06, CI: 2.64-3.56 and aOR=5.89, CI: 4.11- 8.38, respectively), Low and very low risk of infection with COVID-19 (aOR=1.67, CI: 1.07-1.97 and OR=2.66, CI: 1.36-3.04, respectively; Moderate, low and very low risk of getting sick if you are infected (aOR=1.49, CI: 2.08-2.98, aOR=2.97 CI: 2.45-3.59 and aOR=3.89, CI: 3.11-4.82, respectively) were associated with a poor perception COVID-19 vaccination. In conclusion, the frequency of misperception in the Congolese population is high. It is associated with the poor perception of the disease and the socio-demographic characteristics of individuals.

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Background and aim: The increase in the incidence of diabetes mellitus is one of the constellations of cardiometabolic risk in the world. As the specific diagnostic thresholds for dysglycemia are absent among African Bantou de Brazzaville, Republic of Congo justified this study. The aim of the study was to determine the performance of glycated hemoglobin in the diagnosis of dysglycemia. Methods: The cross-sectional survey involved 500 apparently healthy adult participants. The glycated hemoglobin was modelled using a National Glycohemoglobin Standardization Propram certified method and correlated with the Diabetes Control and Complication Trial. Diagnostic performance was defined using analysis of the receptor's operating characteristics. Results: The study included 225 men and 275 women, the mean age was 47.4-13.7 years, the levels of hemoglobin glycated on an everan erate equal to 5.5-5.9% and 6.0% (Se100% and Sp-100%) (p = 0.001) were characterized by perfect diagnostic performance and prevalence respectively for intermediate/prediabetes-sweetened hyperglycemia (13.8%) and diabetes mellitus (24.4%) with an area under curve equal to one. There was a positive and significant bivariate correlation between older age, fasting blood glucose, and increasing hemoglobin glyched to right Y (glycated hemoglobin) – 2.683; -0.077 - Age (years) - 0.789 - Glycemia (mmol/L). Conclusion: The epidemic of cardiometabolic risk was estimated to be 2/3 of prehypertension/high blood pressure, 4/10 of overweight/obesity and 1/4 of diabetes mellitus in 2018 and significantly higher than reported in 2004. This study showed that the recommended thresholds for diagnosing dysglycemia are not the same for Bantu populations

Background The coronavirus disease 2019 (COVID-19) pandemic is impacting the mental health of the population, but data on its impact in developing countries are lacking. The purpose of this study is to assess the psychological aspects of the COVID-19 pandemic in the population of Kinshasa. Methods This cross-sectional and analytical study included 456 randomly selected respondents in the Ngafani district of the municipality of Selembao during the period from August 1 to October 30, 2020. Socio-demographic data, and data concerning COVID-19 and its impact on mental health, were studied. Anxiety and depression were studied using the Hospital Anxiety and Depression Scale (HADS). Results The two genders were represented in equal proportions; the patients had a mean age of 40.4±17.2 years with a high frequency of patients aged over 50 years. All had agreed to observe social distancing, but only 36.8% had accepted isolation. Using the HADS, 47.4% had a doubtful anxiety state and 23.7% had a definite anxiety state; 36.8% had a doubtful depressive state and 25% had a definite depressive state. Old age (≥50 years), female gender, lack of occupation, and isolation were independent determinants associated with anxiety and depression. Conclusion The frequency of anxiety and depression during the COVID-19 pandemic was high. Older age, female gender, lack of a profession, and isolation were associated with anxiety and depression.