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Type: Journal article
Title: Trend of income-related inequality of child oral health in Australia
Author: Do, L.
Spencer, A.
Slade, G.
Ha, D.
Roberts-Thomson, K.
Liu, P.
Citation: Journal of Dental Research, 2010; 89(9):959-964
Publisher: Inter Amer Assoc Dental Research
Issue Date: 2010
ISSN: 0022-0345
Statement of
L.G. Do, A.J. Spencer, G.D. Slade, D.H. Ha, K.F. Roberts-Thomson and P. Liu
Abstract: It is important that we monitor socio-economic inequality in health. Inequality in child oral health has been expected to widen because of widening socio-economic inequality. This study aimed to evaluate trends in income-related inequality in caries experience of Australian children. Cross-sectional studies in 1992/93 and 2002/03 collected data on deciduous caries experience of 5- to 10-year-olds and permanent caries experience of 6- to 12-year-olds. Household composition and income was used to calculate quartiles of equivalized income. Slope Index of Inequality (SII), Concentration Index (CI), and regression-based rate ratios were used to quantify income-related inequality and to evaluate trends. Income-related inequality in caries experience was evident regardless of time and dentition. The three indicators of inequality indicate a significant increase in income-related inequality in child deciduous caries experience during the decade. The income inequality in permanent caries experience did not change significantly. Income inequalities increased in deciduous teeth, but not in permanent teeth, among Australian children.
Keywords: inequality, caries, children, Australia, trend
Rights: © International & American Associations for Dental Research
DOI: 10.1177/0022034510371280
Appears in Collections:Aurora harvest
Dentistry publications

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