Associations Between Chewing Difficulty, Subjective Cognitive Decline, and Related Functional Difficulties Among Older P
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ASSOCIATIONS BETWEEN CHEWING DIFFICULTY, SUBJECTIVE COGNITIVE DECLINE, AND RELATED FUNCTIONAL DIFFICULTIES AMONG OLDER PEOPLE WITHOUT DEMENTIA: FOCUS ON BODY MASS INDEX Y.J. JU1,2,*, J.E. LEE1,2,*, S.Y. LEE1,2 1. Department of Preventive Medicine and Public Health, Ajou University School of Medicine, Suwon, Republic of Korea; 2. Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Republic of Korea; * Denotes equal contribution. Corresponding author: Soon Young Lee, MD, PhD, Department of Preventive Medicine and Public Health, Ajou University School of Medicine 206 World cup-ro, Yeongtong-gu, Suwon-si Gyeonggi-do 16499, Republic of Korea, T: 82-31-219-5301, F: 82-31-219-5084, E: [email protected]
Abstract: Objective: This study aimed to determine whether chewing difficulty is associated with subjective cognitive decline (SCD) and related functional difficulties by body mass index. Design: A population-based cross-sectional study. Setting and Participants: A nationwide sample of 54,004 individuals aged ≥65 years from the 2018 Korea Community Health Survey. Measurements: SCD and SCD-related functional difficulties were measured using the cognitive decline module of the Behavioral Risk Factor Surveillance System. Chewing difficulty was assessed based on a self-report questionnaire from an oral health-related behaviors interview survey. BMI was calculated from objective values by measuring height and weight through a physical meter. Results: Among the 54,004 individuals, the prevalence of SCD in underweight, overweight, and obesity group was 33.6% (n = 806), 30.3% (n = 9,691), and 28.7% (n=5,632) respectively. Chewing difficulty was associated with SCD and SCD-related functional difficulties. This association was more pronounced in underweight (BMI:
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