1. Statistics Korea. Report of older adults statistics in 2017. Daejeon: Statistics Korea;2017.
2. Miura H, Kariyasu M, Yamasaki K, Arai Y. Evaluation of chewing and swallowing disorders among frail community-dwelling elderly individuals. J Oral Rehabil. 2007; 34(6):422–427.
Article
3. Roy N, Stemple J, Merrill RM, Thomas L. Dysphagia in the elderly: preliminary evidence of prevalence, risk factors, and socioemotional effects. Ann Otol Rhinol Laryngol. 2007; 116(11):858–865.
Article
4. Chen PH, Golub JS, Hapner ER, Johns MM 3rd. Prevalence of perceived dysphagia and quality-of-life impairment in a geriatric population. Dysphagia. 2009; 24(1):1–6.
5. Holland G, Jayasekeran V, Pendleton N, Horan M, Jones M, Hamdy S. Prevalence and symptom profiling of oropharyngeal dysphagia in a community dwelling of an elderly population: a self-reporting questionnaire survey. Dis Esophagus. 2011; 24(7):476–480.
Article
6. Ministry of Health and Welfare, Korea Centers for Disease Control and Prevention. Korea Health Statistics 2012: Korea National Health and Nutrition Examination Survey (KNHANES V-3). Cheongju: Korea Centers for Disease Control and Prevention;2013.
7. Won YS, Kim JH, Kim SK. Relationship of subjective oral health status to subjective oral symptoms for the elderly in some Seoul area. J Dent Hyg Sci. 2009; 9(4):375–380.
8. Lee SM, Cho EP, Hwang YS, Kang BW. The change of oral function before and after practicing program for oral function improving. J Dent Hyg Sci. 2011; 11(6):497–503.
9. Yun OJ, Lee YH. The effect of singing intervention for women elderly with dysphagia risk. Korean J Adult Nurs. 2012; 24(4):380–389.
Article
10. Bang HL, Park YH. The effect of an exercise-based swallowing training program for nursing home residents with stroke. J Muscle Joint Health. 2014; 21(2):85–96.
Article
11. Fukada J, Kamakura Y, Manzai T, Kitaike T. Development of dysphagia risk screening system for elderly persons. Jpn J Dysphagia Rehabil. 2006; 10(1):31–42.
12. Choi YH. Relationship between number of residual teeth and masticatory function [dissertation]. Cheonnan: Dankook university;2008.
13. Kang JH, Park RY, Lee SJ, Kim JY, Yoon SR, Jung KI. The effect of bedside exercise program on stroke patients with dysphagia. Ann Rehabil Med. 2012; 36(4):512–520.
Article
14. Turley R, Cohen S. Impact of voice and swallowing problems in the elderly. Otolaryngol Head Neck Surg. 2009; 140(1):33–36.
Article
15. Cohen J. Statistical power analysis for the behavioral sciences. Cambridge (MA): Academic press;2013.
16. Kim YJ, Choi YH, Kim JY, Lee HK. The effect of orophysical exercise for the elderly on oral function and nutrient intake. J Korean Acad Oral Health. 2011; 35(4):414–422.
17. Sura L, Madhavan A, Carnaby G, Crary MA. Dysphagia in the elderly: management and nutritional considerations. Clin Interv Aging. 2012; 7:287–298.
18. Yang SO, Jeong G, Kim SJ, Kim K, Lee SH, Saung S, Baik S. The effects of oral function improving exercise on the UWS, oral function and OHIP in elderly. J Korean Public Health Nurs. 2012; 26(3):478–490.
Article
19. Ministry of Health and Welfare. Demonstration project of hub-health centers' health promotion programs for elderly people. Seoul: Ministry of Health and Welfare;2007.