This study aimed to determine the association between household types and healthy dietary practices among Korean adults. A cross-sectional analysis was performed using nationwide data on 23,488 participants from the 2017-2021 Korea National Health and Nutrition Examination Survey (KNHANES). Based on self-reported data, the participant household types were classified into single- and multi-person households. The adjusted odds ratios (AORs) and 95% confidence intervals (CIs) for healthy dietary practices according to household types were calculated by applying multivariable logistic regression analysis after adjusting for confounders. Of total, 11.21% and 88.79% were single- and multi-person households, respectively. Compared with individuals living in multi-person households, those in single-person households had lower odds of adhering to healthy dietary practices (AOR: 0.88, 95% CI: 0.79-0.98) and consuming adequate saturated fatty acids (<7% of energy) (AOR: 0.78, 95% CI: 0.69-0.88). In addition, men and individuals aged 65 years living in single-person households exhibited lower odds of consuming adequate saturated fatty acids and 500 g of fruit and vegetables per day than those in multi-person households. Single-person households often find it a challenge to practice a healthy diet. Hence, nutritional policies and educational support that help individuals living alone consume healthier diets are warranted.

I. 서 론
II. 연구 내용 및 방법
    1. 연구자료 및 대상
    2. 가구 유형
    3. 일반적 특성 및 식생활 변수
    4. 건강 식생활 실천
    5. 통계분석
III. 결과 및 고찰
    1. 가구 유형에 따른 일반적 특성
    2. 가구 유형에 따른 건강 식생활 실천율
    3. 가구 유형에 따른 영양소와 식품군 섭취 및 식행동 특성
    4. 가구 유형과 건강 식생활 실천 간 연관성
IV. 요약 및 결론
감사의 글
Conflict of Interest

• 나예슬(호남대학교 식품영양학과) | Yeseul Na (Department of Food and Nutrition, Honam University)
• 이경원(한국교원대학교 가정교육과) | Kyung Won Lee (Department of Home Economics Education, Korea National University of Education) Corresponding Author