Determinants of Catastrophic Dental Health Expenditure in China

Xiangyu Sun, Eduardo Bernabé, Xuenan Liu, Jennifer Elizabeth Gallagher and Shuguo Zheng

PLOS ONE, 2016, vol. 11, issue 12, 1-12

Abstract: This study explored catastrophic health expenditure in China, due to out-of-pocket payments for dental care, and its associated individual- and contextual-level factors. We pooled data from 31,566 adults who participated in the third National Oral Health Survey with province-level data from different sources. We defined catastrophic dental health expenditure (CDHE) as payments for dental services and/or medication for dental problems during the last year that exceeded the 10% and 20% of the household income. The association of individual and contextual factors with catastrophic dental health expenditure was evaluated using two-level logistic regression models with individuals nested within provinces. Socioeconomic position (education and household income), household size and dental status (pain in teeth or mouth and number of teeth) were the individual-level factors associated with CDHE among the full sample of participants; and, also, among those who used dental services in the past year. Greater gross domestic product per capita was the only contextual factor associated with CDHE, and only at the lower income threshold. This study shows that out-of-pocket expenses for dental services may put a considerable, and unnecessary, burden on households’ finances. Our findings also help characterise those households more likely to face catastrophic expenditure on health if they have to pay for dental services.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0168341

DOI: 10.1371/journal.pone.0168341

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