Did Dental Insurance Expansion Improve Dental Care Needs Among Korean Adults? Difference in Difference Analysis

Background: In 2012, the Korean government expanded dental insurance for the elderly to promote improved access to dental care. We examined the causal effect of this policy on dental care needs, focusing on low-income older adults.Methods: We compared data before and after policy implementation usin...

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Veröffentlicht in:	Journal of Epidemiology 2023/02/05, Vol.33(2), pp.101-108
Hauptverfasser:	Kim, Nam-Hee, Elani, Hawazin W., Kawachi, Ichiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Adults Aged Dental Care Dental implants Dental insurance Dental materials Dental prosthetics Dentures difference-in-difference Humans Income Insurance Insurance, Dental Japan Low income groups Nutrition Nutrition Surveys older adults Older people Original Prostheses quasi-experimental Quasi-experimental methods Republic of Korea Social Epidemiology triple-difference United States unmet dental needs
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Beschreibung
Zusammenfassung:	Background: In 2012, the Korean government expanded dental insurance for the elderly to promote improved access to dental care. We examined the causal effect of this policy on dental care needs, focusing on low-income older adults.Methods: We compared data before and after policy implementation using double difference (DD) and triple difference (DDD) analyses. We used the nationally representative data from the Korea National Health and Nutrition Examination Survey from 2010 and 2016–2018. Individuals aged ≥65 years were included in the treatment group, and individuals aged
ISSN:	0917-5040 1349-9092
DOI:	10.2188/jea.JE20200596