Additional file 1: Table S1. of Socioeconomic Inequality in mortality using 12-year follow-up data from nationally representative surveys in South Korea KhangYoung-Ho KimHye-Ryun 2016 Numbers of study subjects and deaths, follow-up duration (person-years), and 12-year mortality rates by gender and age groups in subjects of the 1998 and 2001 Korea National Health and Nutrition Examination Surveys (KNHANES). Table S2. Age group-specific relative risks (adjusted for age and gender) of mortality from all causes according to socioeconomic position indicators: follow-up 12-year mortality data from the 1998 and 2001 Korea National Health and Nutrition Examination Surveys. Table S3. Gender-specific relative risks (adjusted for age) of mortality from all causes of death according to socioeconomic position indicators: follow-up 12-year mortality data from the 1998 and 2001 Korea National Health and Nutrition Examination Surveys. Table S4. Age- and gender-adjusted relative risks of all-cause mortality in a model simultaneously adjusting for education, occupation, and monthly household income. (DOCX 44 kb)