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. 2022 Aug 16;22(1):1556.
doi: 10.1186/s12889-022-13955-7.

Spatial analysis of cardiovascular mortality and associated factors around the world

Emerson Augusto Baptista  1 , Bernardo Lanza Queiroz  2
Affiliations

Spatial analysis of cardiovascular mortality and associated factors around the world

Emerson Augusto Baptista et al. BMC Public Health. .

Abstract

Background: Cardiovascular disease (CVD) is one of the most serious health issues and the leading cause of death worldwide in both developed and developing countries. The risk factors for CVD include demographic, socioeconomic, behavioral, environmental, and physiological factors. However, the spatial distribution of these risk factors, as well as CVD mortality, are not uniformly distributed across countries. Therefore, the goal of this study is to compare and evaluate some models commonly used in mortality and health studies to investigate whether the CVD mortality rates in the adult population (over 30 years of age) of a country are associated with the characteristics of surrounding countries from 2013 to 2017.

Methods: We present the spatial distribution of the age-standardized crude mortality rate from cardiovascular disease, as well as conduct an exploratory data analysis (EDA) to obtain a basic understanding of the behavior of the variables of interest. Then, we apply the ordinary least squares (OLS) to the country level dataset. As OLS does not take into account the spatial dependence of the data, we apply two spatial modelling techniques, that is, spatial lag and spatial error models.

Results: Our empirical findings show that the relationship between CVD and income, as well as other socioeconomic variables, are important. In addition, we highlight the importance of understanding how changes in individual behavior across different countries might affect future trends in CVD mortality, especially related to smoking and dietary behaviors.

Conclusions: We argue that this study provides useful clues for policymakers establishing effective public health planning and measures for the prevention of deaths from cardiovascular disease. The reduction of CVD mortality can positively impact GDP growth because increasing life expectancy enables people to contribute to the economy of the country and its regions for longer.

Keywords: Associated factors; Cardiovascular mortality; Mortality; Spatial analysis; Spatially autoregressive models.

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Conflict of interest statement

The author declares that he has no competing interests.

Figures

Fig. 1
Fig. 1
Age-standardized crude mortality rate from cardiovascular disease (per 100,000) by countries – 2013–2017
See this image and copyright information in PMC

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