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Objective: Knowledge of social and gender determinants, which influence the places where people are exposed to COVID-19, may be relevant in the development of preventive and control strategies. The aim of this paper was to determine the context in which COVID-19 cases were infected (household, work/labor, health, social-health, and social-leisure settings) according to country of origin, occupational social class and gender, which is essential in order to designing public health strategies., Methods: A cross-sectional study of an epidemiological registry of 56,628 COVID-19 incident cases was made, whose exposure/contagion setting was studied according to the previous variables from June 15 to December 23, 2020, in the Region of Murcia (Spain). An exact Fisher test was used to study the distribution of COVID-19 cases based on the above variables., Results: The cumulative incidence was higher in people from Africa (5,133.5 cases/100,000 inhabitants) and Latin America (11,351.1) than in non-immigrants (3,145.7). It was also higher in women (3,885.6) than in men (3,572.6). It is noteworthy, that 53.3% of the cases with employment were workers in industry or construction, artisans, agricultural workers, or elementary occupations. In contrast, during the second semester of 2020, 41.3% of the employed population in the Region of Murcia performed such jobs. The household was the main exposure setting (56.5% of cases with a known setting), followed by social-leisure (20.7%) and work/labor (18.2%). The labor settings were more important in immigrants from Africa (28.4%) and Latin America (35.7%) than in non-immigrants (12%), inversely to social-leisure settings. Labor context was more important in women (19.6%) than in men (16.5%) and in manual workers (44.1%) than in non-manual workers (26.6%)., Conclusions: The context in which COVID-19 cases were infected is different according to social inequalities related to country of origin, gender and occupational social class., Competing Interests: Disclosure The authors report no conflicts of interest in this work.

Background: The Region of Murcia is an area, within the Spanish context, of high coronary and stroke mortality. Moreover, the trend in ischaemic heart disease mortality, decreasing for almost all geographical Spanish areas, has suffered in Murcia a slight increase during the period 1985-1991. In this study the population prevalences to different cardiovascular risk factors are evaluated., Methods: Survey of a random sample of adult population (aged 18-65) with a response rate of 61%. Standardised measurement of arterial blood pressure, obesity and serum lipids besides a questionnaire of tobacco consume, physical activity and diabetes. Presentation of standardised results for overall age groups and for the truncated 35-64 age group. The field work were from november 1991 to march 1993., Results: Tobacco smoking prevalence rises up to 54.4% in men and 31.3% in women. Figures for hypertension are less favourable in men (32.3% prevalence, 16.4% treatment, 2.6% hypertension control among all hypertensives, and 15.6% control among only treated hypertensives) that among women (23.7%, 34.3%, 9.5% y 27.8%, respectively). The average serum concentrations of cholesterol are low in both sexes, as high are the HDL-cholesterol concentrations. Mean Body Mass Index is 26.7 for both sexes, although women present wider variability in the measurements. The prevalence of self informed diabetes is around 3-4%., Conclusions: Comparing these figures, for the corresponding age groups, with those offered by the MONICA study and with other studies on Spanish adult population it is possible to observe that, exception made for the high tobacco consumption and Body Mass Index seen in the Region of Murcia, the overall figures of cardiovascular risk factors are located in the lowest end of the distribution of MONICA centres ranked according their prevalence of cardiovascular risk factors. It might exist, therefore, differences in the management of the coronary patient that could explain at least part of the unfavourable coronary heart mortality trends observed in the Region of Murcia.