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Socioeconomic status, cardiovascular disease and health care services: highlighting the gender gap.

It is known that the vast majority (almost 75%) of non-communicable diseases and 80% of premature deaths occur in lowand middle-income countries [1]. It seems that socioeconomically disadvantaged communities bear a disproportional share of cardiovascular disease (CVD) burden, and the incidence rates are ranked highest [2]. On the basis of large-scale epidemiological studies and accumulated statistics from various organisations, it is concluded that low socioeconomic status (SES) is associated with less favourable health characteristics and, consequently, significantly higher CVD risk [3, 4]. One of the most profound reasons for which low SES individuals are more susceptible to disease is the limited access to health care services, compared to their higher SES counterparts. Several investigators have made attempts to identify the SES-CVD paths suggesting the existence of an independent association while making implications for the mediating effect of various demographic, clinical, and environmental factors [5]. However, the influence of the interaction between SES and gender on the CVD outcome has not been adequately clarified in the literature. Inconclusive evidence suggests that the impact of low SES on cardiac health and related cardiometabolic factors is more profound in women compared with their male counterparts [6]. The contributors of the Multi-centre National Population Health Examination Survey (WOBASZ II study) assessed the relationship of SES with various factors related to holistic access to health care services, i.e. medical consultations, hospitalisations, and counselling on CVD risk factors [7]. This analysis was interestingly performed from the standpoint of gender differences, providing a better understanding on this literature gap. The WOBASZ II study was a nationwide, cross-sectional study conducted in Poland between 2013 and 2014. In the recruitment phase, 2760 male and 3410 female residents of Poland were enrolled in the study. SES was defined as a combined variable including educational, financial, and occupational status. As for the main outcomes of interest, the utilisation of health care services was evaluated according to the hospitalisation as well as any form of medical consultation within the last year and through specific questions as regards the counselling on major CVD risk factors, e.g. nutrition and physical activity advice, smoking cessation, and blood pressure measurements. The contributors of the study also focused on the subsample of participants who were informed by their personal doctor regarding the diagnosis of specific CVD risk factors such as hypercholesterolaemia, hypertension, and diabetes mellitus; in this context, the successful control of these risk factors — according to the European Society of Cardiology guidelines — was an additional outcome of interest. The results from the WOBASZ II study confirmed that participants from the high SES group had more medical visits compared with those with low SES. Surprisingly, when gender was used as a stratum, the association between high SES and the level of counselling on the aforementioned CVD risk factors was stronger in the case of men; implying that women are less likely to receive adequate counselling in the CVD prevention and management spectrum, irrespective of their high SES. The observation revealed by Kozela et al. [7], regarding the interaction of gender with SES on the CVD-related health care services, is an interesting finding, which raises substantial health implications. It is indicated that CVDs in women were always sidelined over the unanimously propagated claim that this chronic disease was supposed to be a male privilege [8]. In this context, the lack of women’s awareness