Abstract
The objective was to investigate the variability in dental caries experience in Swedish children and adolescents, at two different area levels: dental clinics and SAMS (small areas for market statistics), with respect to multiple individual socioeconomic factors (SES). Records of manifest caries using the DMFT indices (decayed, missing, filled teeth, dependent variables) were collected from electronic dental records for 300,988 individuals aged 3–19 years (97.3% coverage) from the Region Västra Götaland, Sweden. SES data were obtained from official registers and covered ethnicity, wealth, parental education, and employment. The SES variables were used as an independent aggregated variable – an in dex – categorized in deciles. Age and gender were independently included in the multilevel models. Two-level logistic regression analyses explored the probability of a dental caries experience and the variability (intracluster correlation) within dental clinic areas and SAMS, respectively. The most deprived (10th decile, SAMS level) 3- to 6-year-old children had an OR of 5.00 (95% CI 4.61–5.43) for dental caries experience (deft), compared with children in the 1st to 5th deciles. For older children and adolescents (≥7 years), the corresponding OR (DFT) was 2.25 (95% CI 2.15–2.35). Small geographical areas explained more of the variance in caries experience compared with the more aggregated level dental clinics. SES was more strongly related to the risk of dental caries experience than age and gender. In conclusion, the associations between SES and dental caries experience in Swedish children and adolescents were strong in the study and strongest in young children at a low level.
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16 articles.
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