Table 1.

Extracted themes from Korean-language Tweets mentioning dementia/Alzheimer’s disease using manual content analysis and LDA topic modeling

	Themes	Tweets	%	Manual	LDA
1	Caregiving burden of family members of a person with dementia	3,903	48.50	X	X
2	Report of missing and wandering dementia patients	1,458	18.12	X
3	Stigma	1,098	13.64	X	X
4	Prevention strategies for dementia	408	5.07	X	X
5	Risk factors and causes of dementia	395	4.91	X	X
6	Healthcare policy for dementia patient care	262	3.26	X	X
7	Elder abuse and safety issues for dementia patients	141	1.75	X
8	Information on dementia caregiving, financial support and warning symptoms	114	1.42	X
9	Emotional distress in dementia patients and family members	61	0.76	X
10	Dementia patient advocacy	58	0.72	X
11	Treatment for dementia	53	0.66	X
12	Diagnostic test for dementia	36	0.45	X	X
13	Coping with grief and loss	27	0.34	X
14	Resilience	15	0.19	X
15	Symptoms of dementia in early, middle and late stages	14	0.17	X	X
16	Prevalence of dementia in Korea	5	0.06	X
	Total	8,048	100.0