Skip to main content

Table 1 Baseline characteristics of Korean adults with cardiovascular disease (CVD)

From: Machine learning models to identify low adherence to influenza vaccination among Korean adults with cardiovascular disease

Parameters Korean adults with CVD (%) (n = 815)
Sex, male 53.0 (2.2)
Age (mean, yr) 64.8 (0.5)
Age group  
19–49 7.6 (1.3)
50–64 39.3 (2.3)
 ≥ 65 53.1 (2.3)
Spouse, yes 77.5(1.8)
Household income  
Lowest quartile 40.1 (2.2)
2nd and 3rd quartile 44.3 (2.2)
Highest quartile 15.6 (1.7)
Education  
Less than elementary school 49.9 (2.1)
Middle or high school 39.3 (2.0)
College and above 10.8 (1.3)
Insurance  
National health insurance 93.6 (1.1)
Medical aid 6.4 (1.1)
Private Insurance, yes 40.3 (2.0)
Body mass index (mean, kg/m2) 24.5 (0.1)
Obesity (BMI ≥ 25 kg/ m2) 41.6 (2.2)
Alcohol drinker 14.8 (1.9)
Current smoker 18.9 (1.9)
Routine exerciser 43.1 (2.2)
Hypertension 62.2 (2.0)
Diabetes mellitus 25.8 (1.8)
Hyperlipidemia 32.7 (2.1)
Cancer 5.0 (0.8)
Perceived health status  
Good to very good 13.4 (1.4)
Normal 37.9 (2.1)
Poor to very poor 48.7 (2.1)
Health screening 61.0 (2.1)
Influenza vaccination 61.4 (2.2)
  1. Abbreviations: BMI, body mass index