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dc.contributor.authorDo, Len_US
dc.contributor.authorHa, Den_US
dc.contributor.authorRoberts-Thomson, Ken_US
dc.contributor.authorJamieson, Lisaen_US
dc.contributor.authorPeres, Marcoen_US
dc.contributor.authorSpencer, Aen_US
dc.date.accessioned2019-05-29T13:06:55Z
dc.date.available2019-05-29T13:06:55Z
dc.date.issued2018en_US
dc.identifier.issn2380-0844en_US
dc.identifier.doi10.1177/2380084417751350en_US
dc.identifier.urihttp://hdl.handle.net/10072/380507
dc.description.abstractInequality in child oral health exists by race and income. Water fluoridation (WF) is effective in caries prevention, but evidence for WF reducing inequality in caries experience is equivocal. This study tested the hypothesis that WF reduces race- and income-related inequality in child caries experience. A cross-sectional national population-based study of child oral health was conducted across 2012 to 2014 for Australian children aged 5 to 14 y, involving a parental questionnaire and an oral epidemiological examination. Children were stratified by fluoridated (F) and nonfluoridated (NF) area of residence, equivalized household income quartiles, and Indigenous and non-Indigenous status. Directly standardized caries experience (measured by the decayed, missing, or filled tooth surfaces [dmfs/DMFS] in both primary [age 5–10] and permanent dentitions [age 9–14]) was estimated for each stratum accounting for the complex sampling design. Differences in caries experience by Indigenous status and equivalized income quartiles were examined between F and NF strata. Socioeconomic inequality in caries experience was examined using the Absolute Concentration Index (ACI), Slope Index of Inequality (SII), Relative Concentration Index (RCI), and Relative Index of Inequality (RII). A total of 21,328 (86.5%) children had complete data. Caries experience was higher in NF than F strata. Race- and income-related gradients in caries experience were observed in both F and NF areas. All indexes of inequality indicated that caries experience was concentrated among lower income groups. Absolute inequalities were consistently lower in F than in NF areas. For the primary dentition, SII values were −4.18 versus –6.20 in the F and NF areas, respectively. The respective values were −0.60 versus −1.66 for the permanent dentition. Income-related inequality in caries was lower in F than in NF areas for both Indigenous and non-Indigenous children. WF was associated with lower caries experience and reduced inequality among children.en_US
dc.description.peerreviewedYesen_US
dc.languageEnglishen_US
dc.publisherSage Publications, Inc.en_US
dc.publisher.placeUnited Statesen_US
dc.relation.ispartofpagefrom170en_US
dc.relation.ispartofpageto179en_US
dc.relation.ispartofissue2en_US
dc.relation.ispartofjournalJDR Clinical & Translational Researchen_US
dc.relation.ispartofvolume3en_US
dc.subject.fieldofresearchDentistry not elsewhere classifieden_US
dc.subject.fieldofresearchcode110599en_US
dc.titleRace- and Income-Related Inequalities in Oral Health in Australian Children by Fluoridation Statusen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Articlesen_US
dc.type.codeC - Journal Articlesen_US
gro.hasfulltextNo Full Text
gro.griffith.authorDe Anselmo Peres, Marco


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