Abstract
This study aimed to investigate correlations between socio-demographic and health behavioral factors affecting consumption of ultra-processed foods and quality of diet in Korean adults. Data from 17,924 adults aged 19 years or older were obtained during the sixth and seventh (2013-2018) period of the Korean National Health and Nutrition Examination Survey and employed in the present study. Foods consumed by subjects were investigated using the 24-hour recall method and classified from NOVA 1 to NOVA 4 according to the processing stage. For statistical analysis, multiple regression analysis and general linear analysis were performed. Age(P＜0.001), marital status(P=0.005), smoking status (P＜0.001), and education level(P0.001) showed significant correlations with the consumption of ultra-processed food (NOVA 4). In addition, factors such as sex, residence, age, obesity status, educational level, income level, marital status, alcohol status, and smoking status showed differences in the quality of diet according to the consumption of ultra-processed foods. Therefore, it is necessary to reorganize processed food guidelines so that a balanced diet can be achieved by selecting the right food and reducing the intake of processed food according to individual socio-demographic factors and health behavior factors.
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