Did expanded access to denture services improve chewing ability in the Korean older population? Results of a regression discontinuity analysis
Nam-Hee Kim; Ichiro Kawachi · 2020 · Scientific Reports
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Abstract The Korean National Health Insurance expanded the dental insurance in 2012 to cover denture services for older adults. We analyzed whether the new policy improved of chewing ability in the eligible population. We used regression…
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Metadata source: Crossref · DOI 10.1038/s41598-020-68189-7