Lifestyle and quality of life in patients with coronary artery disease: A propensity-matched comparison with a healthy control group

Abstract

Purpose: Maintaining a healthy lifestyle and quality of life after receiving acute treatment is important in patients with coronary artery disease (CAD). This study aims to compare the lifestyle and the quality of life of CAD patients with those of healthy people through a propensity-matched comparison. Methods: This study is a secondary analysis of the data from the Korea National Health and Nutrition Examination Survey conducted with 23,657 subjects from 2015 to 2017. A propensity-matched comparison was conducted for 472 CAD patients and 941 healthy individuals using 1:2 matching of nine sociodemographic characteristics. R program version 3.6.2 was used for statistical analysis and an independent t-test was employed to examine the differences between the relevant variables of the two matched groups. Results: The rate of aerobic physical activity, the levels of quality of life, and the subjective health condition of the CAD patients were significantly lower as compared to the healthy group (p