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Were Patient Protection and Affordable Care Act spillover gains to private dental coverage for dependents widely shared?: An analysis using Medical Expenditure Panel Survey data
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Were Patient Protection and Affordable Care Act spillover gains to private dental coverage for dependents widely shared?: An analysis using Medical Expenditure Panel Survey data

Dan M Shane and George L Wehby
The Journal of the American Dental Association (1939), Vol.151(3), pp.182-189
03/2020
DOI: 10.1016/j.adaj.2019.11.014
PMCID: PMC7332221
PMID: 32130947

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Abstract

The dependent coverage mandate policy of the Patient Protection and Affordable Care Act led to spillover increases in private dental coverage among affected young adults. The authors investigate whether such gains were widely shared across racial or ethnic groups and shared across income levels. The authors further explore the relationship between dental coverage and dental services use stratified by race or ethnicity and income using the mandate as a natural experiment. Using nationally representative Medical Expenditure Panel Survey data from 2006 through 2015, the authors used a difference-in-difference regression approach comparing changes in private dental coverage and dental services use for 19- through 25-year-olds affected by the policy with those for unaffected 27- through 30-year-olds. The authors stratified the model by race or ethnicity and income to understand potential differences in the effects of the mandate across these groups. The authors found significant increases in private dental coverage across all racial or ethnic groups as well as across higher- and lower-income young adults. However, despite notable increases in private dental coverage, the authors found little evidence of any overall effects on dental services use. The authors did find evidence suggesting an increased relative likelihood of dental visits for 19- through 25-year-old non-Hispanic blacks compared with slightly older non-Hispanic blacks. The spillover effect of the dependent coverage mandate on private dental coverage was widely shared across racial or ethnic groups and across income levels. Among young adults aged 19 through 25 years, increases in private dental coverage may not be enough on its own to increase the use of preventive dental services and ultimately lead to improved oral health.
 Adult Dental Care Health Expenditures Humans Insurance Coverage Insurance, Health Patient Protection and Affordable Care Act Surveys and Questionnaires United States Young Adult

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