Assessment of risk factors for early childhood caries at different ages in Shandong, China and reflections on oral health education: a cross-sectional study
Abstract Background: The high prevalence of early childhood caries (ECC) is widespread around the world, and oral health education (OHE) plays a vital role in preventing ECC. Numerous studies on ECC risk factor assessment have assisted us enrich the content of OHE. The objective of this study, while, was to further assess independent risk factors for ECC at different ages and provide evidence and insight for OHE. Methods : Data about oral health status, and oral health knowledge, attitude, practice (KAP) from the questionnaire completed by caregivers among children 3 to 5 years of age (N=1301) in Shandong province were extracted from the 4 th National Oral Health Survey in China. The association between ECC prevalence and various KAP variables was tested in Chi-square test, bivariate analysis and by multivariable logistic regression analyses. Results: The ECC prevalence in Shandong province was 64.6%, the dmft mean was 3.15. Independent associations with increased risk for ECC were age, feeding method within 6 months of birth, bedtime sugar frequency, the experience of toothache over past one year and dental visit. And feeding methods primarily contribute to the high risk of 3-year-old group, while sugar habits mainly contribute to 5-year-old group. The association between brushing and ECC was not confirmed in this study, and correct cognition was unexpectedly positively correlated with the high risk of ECC. Conclusion: These data provide evidence to suggest that the ECC-related risk factors at different ages are inconsistent, which give some insights for OHE, that is in addition to promoting preventive dental visit, we should also highlight the effect of feeding methods in the early of deciduous dentition and sugar habits in the late stage of deciduous dentition on ECC and the supplement of practice training.