Principal component analysis of dental caries related factors among 3- to 5-year-old children in Urumqi City / 口腔疾病防治

ABSTRACT

Objective @#To explore dental caries-related factors among children aged 3-5 years in Urumqi City and to provide evidence for the etiological study and primary prevention of caries among local children. @*Methods @# A multistage stratified cluster sampling method was used to randomly select children aged 3-5 years in Urumqi City for oral examination, physical examination and questionnaire survey. Data were collected and analyzed by principal component logistic regression using SPSS 23.0 software.@*Results@#Principal component analysis showed that there were seven risk factors whose characteristic root value was greater than 1 oral hygiene habits, family education level, sugar intake, bedtime eating habits, age, gestational age, feeding mode, and cumulative contribution were 66.486% of the total variance. Principal component logistic regression analysis indicated that five factors, namely, oral hygiene habits (OR = 0.795, P = 0.044), family education level (OR = 0.667, P = 0.019), sugar intake (OR = 1.260, P = 0.006), bedtime eating habits (OR = 5.432, P<0.001) and age (OR = 0.676, P = 0.015), were closely related to early childhood caries, and they were statistically significant (P<0.05). @*Conclusion@#According to the principal component analysis, oral hygiene habits factor, family education level factor, sugar intake factor, bedtime eating habits factor and age factor were dental caries related factors among 3- to 5-year-old children in Urumqi City.