Factors underlying the polarization of early childhood caries within a high-risk population

BMC Public Health

Cecilia Claudia Costa Ribeiro²  Fernando Neves Hugo¹  Claudia Maria Coelho Alves²  Antônio Augusto Moura da Silva²  Ana Margarida Melo Nunes² 

[1] Federal University of Rio Grande do Sul, Porto Alegre, Brazil;Federal University of Maranhão, Jupiter Street 12, apartment 1101, Ed. José Gonçalo, Renascença II, São Luis, Ma, Brasil

关键词: Epidemiology;    Diet;    Public dental health;    Early childhood caries;   

Others  :  1126744
DOI  :  10.1186/1471-2458-14-988

 received in 2014-05-03, accepted in 2014-09-05,  发布年份 2014

【 摘 要 】

Background

Early childhood caries (ECC) are particularly prevalent in disadvantaged populations, and socioeconomic factors are associated with the polarization of disease. A previous study showed that even within a homogenous low-income population disease is polarized, indicating that other factors apart from income may contribute to disease susceptibility.

Methods

This study used a hierarchical approach to identify factors associated with polarization of ECC in low-income subjects. This cross-sectional study was conducted retrospectively using a cohort of 244 children (aged 48–72 months) with family incomes not exceeding double the minimum wage (U.S. $8,208.00/year), living in neighborhoods on the outskirts of São Luís, Maranhão, Brazil. The sample was divided into three groups based on the Significant Caries (SiC) Index: no caries group, few caries group (mean 1.38 lesions), and a high caries group (mean 3.82 lesions). Hierarchical multinomial logistic regression analyses were performed based on a theoretical model.

Results

Twenty-eight (11.5%) of the 244 children presented with high caries. Age (p = 0.026; prevalence ratio (PR) = 1.10; 95% confidence interval (CI) 1.01–1.20) and frequency of sucrose consumption - p = 0.001; PR 4.65 (95% CI 1.83–11.84) were associated with increased risk of ECC.

Conclusions

In the high caries group, greater consumption of sucrose between main meals may explain why, in a group of children with homogenous social and health conditions, some had more caries than others.

【 授权许可】

   
2014 Nunes et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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