Trends in dental visiting avoidance due to cost in Australia, 1994 to 2010: an age-period-cohort analysis
Identifieur interne : 002120 ( Main/Exploration ); précédent : 002119; suivant : 002121Trends in dental visiting avoidance due to cost in Australia, 1994 to 2010: an age-period-cohort analysis
Auteurs : Sergio Chrisopoulos [Australie] ; Liana Luzzi [Australie] ; David S. Brennan [Australie]Source :
- BMC Health Services Research [ 1472-6963 ] ; 2013.
Abstract
The cost of dental care may be a barrier to regular dental attendance with the proportion of the Australian population avoiding or delaying care due to cost increasing since 1994. This paper explores the extent to which age, period and cohort factors have contributed to the variation in avoiding or delaying visiting a dentist because of cost.
Data were obtained from four national dental telephone interview surveys of Australian residents aged five years and over conducted in 1994, 1999, 2004 and 2010 (response rates 48% - 72%). The trend in the percentage of persons avoiding or delaying visiting a dentist because of cost was analysed by means of a standard cohort table and more formal age-period-cohort analyses using a nested models framework.
There was an overall increase in the proportion of people avoiding or delaying visiting a dentist indicating the presence of period effects. Financial barriers were also associated with age such that the likelihood of avoiding because of cost was highest for those in their mid-late twenties and lowest in both children and older adults. Cohort effects were also present although the pattern of effects differed between cohorts.
The findings of this study suggest that, in addition to the increase in costs associated with dental care, policies targeting specific age groups and income levels may be contributing to the inequality in access to dental care.
Url:
DOI: 10.1186/1472-6963-13-381
PubMed: 24090111
PubMed Central: 3851774
Affiliations:
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Brennan</name><affiliation wicri:level="1"><nlm:aff id="I1">Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia, Australia</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia</wicri:regionArea><wicri:noRegion>South Australia</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24090111</idno><idno type="pmc">3851774</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3851774</idno><idno type="RBID">PMC:3851774</idno><idno type="doi">10.1186/1472-6963-13-381</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">002165</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002165</idno><idno type="wicri:Area/Pmc/Curation">002165</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002165</idno><idno type="wicri:Area/Pmc/Checkpoint">001713</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">001713</idno><idno type="wicri:Area/Ncbi/Merge">004A31</idno><idno type="wicri:Area/Ncbi/Curation">004A31</idno><idno type="wicri:Area/Ncbi/Checkpoint">004A31</idno><idno type="wicri:Area/Main/Merge">002130</idno><idno type="wicri:Area/Main/Curation">002120</idno><idno type="wicri:Area/Main/Exploration">002120</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Trends in dental visiting avoidance due to cost in Australia, 1994 to 2010: an age-period-cohort analysis</title><author><name sortKey="Chrisopoulos, Sergio" sort="Chrisopoulos, Sergio" uniqKey="Chrisopoulos S" first="Sergio" last="Chrisopoulos">Sergio Chrisopoulos</name><affiliation wicri:level="1"><nlm:aff id="I1">Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia, Australia</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia</wicri:regionArea><wicri:noRegion>South Australia</wicri:noRegion></affiliation></author><author><name sortKey="Luzzi, Liana" sort="Luzzi, Liana" uniqKey="Luzzi L" first="Liana" last="Luzzi">Liana Luzzi</name><affiliation wicri:level="1"><nlm:aff id="I1">Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia, Australia</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia</wicri:regionArea><wicri:noRegion>South Australia</wicri:noRegion></affiliation></author><author><name sortKey="Brennan, David S" sort="Brennan, David S" uniqKey="Brennan D" first="David S" last="Brennan">David S. Brennan</name><affiliation wicri:level="1"><nlm:aff id="I1">Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia, Australia</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Centre for Population Oral Health, School of Dentistry, The University of Adelaide, 5005 Adelaide, South Australia</wicri:regionArea><wicri:noRegion>South Australia</wicri:noRegion></affiliation></author></analytic><series><title level="j">BMC Health Services Research</title><idno type="eISSN">1472-6963</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>The cost of dental care may be a barrier to regular dental attendance with the proportion of the Australian population avoiding or delaying care due to cost increasing since 1994. This paper explores the extent to which age, period and cohort factors have contributed to the variation in avoiding or delaying visiting a dentist because of cost.</p></sec><sec><title>Methods</title><p>Data were obtained from four national dental telephone interview surveys of Australian residents aged five years and over conducted in 1994, 1999, 2004 and 2010 (response rates 48% - 72%). The trend in the percentage of persons avoiding or delaying visiting a dentist because of cost was analysed by means of a standard cohort table and more formal age-period-cohort analyses using a nested models framework.</p></sec><sec><title>Results</title><p>There was an overall increase in the proportion of people avoiding or delaying visiting a dentist indicating the presence of period effects. Financial barriers were also associated with age such that the likelihood of avoiding because of cost was highest for those in their mid-late twenties and lowest in both children and older adults. Cohort effects were also present although the pattern of effects differed between cohorts.</p></sec><sec><title>Conclusion</title><p>The findings of this study suggest that, in addition to the increase in costs associated with dental care, policies targeting specific age groups and income levels may be contributing to the inequality in access to dental care.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Chrisopoulos, S" uniqKey="Chrisopoulos S">S Chrisopoulos</name></author><author><name sortKey="Beckwith, K" uniqKey="Beckwith K">K Beckwith</name></author><author><name sortKey="Harford, Je" uniqKey="Harford J">JE Harford</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Barnard, Pd" uniqKey="Barnard P">PD Barnard</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Slade, Gd" uniqKey="Slade G">GD Slade</name></author><author><name 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