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Caries experience in 14-year-olds from Northeast Italy. Is socioeconomic-Status (SES) still a risk factor?

Type:  Articles

Pubblication date:  /1/2012

Authors:  R. Ferro1, A. Besostri1, A. Olivieri2, E. Stellini3, G. Denotti4, G. Campus5

Language:  English

Institution:  1 Dentistry Unit Cittadella Hospital Veneto Region; 2 Epidemiology Unit Public Health Department - Local Health Unit 15 Veneto Region; 3 Dental Institute University of Padua; 4 Dental Institute, University of Cagliari; 5 Dental Institute, University of Sassari, Italy.

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Adolescents; Caries experience; DMFS; Italy; Socioeconomic status.

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Title:  Caries experience in 14-year-olds from Northeast Italy. Is socioeconomic-Status (SES) still a risk factor?

Abstract:  Aim Prevalence and severity of dental caries in 14-year-olds of Northeast Italy were estimated, evaluating the dependence to SES. Materials and methods An epidemiological survey was performed among a randomised cluster sample of 560 (290 M and 270 F) 14-year-olds attending secondary schools, to evaluate DMFS following WHO indications. Association between caries occurrence and SES was evaluated in a logistic regression model. To account for high proportion of zero scores (DMFS and DS distribution highly positively skewed) data was moreover modelled with negative binomial regression and zero-inflated models. Results Caries prevalence was 63.4% with a mean DMFS of 3.03.8. A significant trend between means was observed regarding DS in the different SES levels: z = 2.22 p = 0.03 (occupational level) and z = 3.45 p<0.01 when SES was based on educational level. The Negative Binomial Regression model resulted more appropriate than the Poisson model because the dispersion parameter was significantly different from zero (alpha=1.5, 95% CI=1.3-1.8). Working class status showed significant association with DMFS (p=0.04) while using DS as dependent variable, working class subjects and subjects with medium-low and low educational level, showed a statistically significant association. Conclusion Socioeconomic status is still a predictor for dental decay in the Italian 14-year-olds.

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