June 2020

Volume 37, Issue 2

Associations between caries levels and BMI measures among five-year-old children. Analysis and cross-sectional multi-variable analysis at an individual child level

Authors: Davies GM Copley V Neville JS
doi: 10.1922/CDH_4631Davies06

Abstract

Objectives: To establish the existence and directions of any associations between measures of body mass index (BMI) with caries levels using individual measures of each as derived from national surveys in England. Methods: The BMIs of five-year-old children calculated from the 2017 National Child Measurement Programme and caries measures from the 2016-17 Public Health England (PHE) National dental epidemiology survey were securely linked at a child level. Comparison at individual level of caries levels and BMI z scores was done using multivariable regression. Results: Records for 67,033 children were linked and allocated a deprivation quintile. An association between BMI Z score categories and caries levels was established. Caries prevalence was higher among overweight (24.4%) and very overweight (27.6%) children compared with those of average BMI (22.5%). Odds ratios were statistically significant at 1.08 and 1.14 for prevalence among overweight and very overweight children. Children of low BMI were found to have higher caries severity (1.2 d3mft) and extent (4.4 d3mft among those with any caries) compared to children of healthy BMI (0.7 d3mft, 3.3 d3mft) with statistically significant Incidence Rate Ratio of 1.24. Underweight children were more likely to have caries experience and more severe attack compared with children of healthy weight. Deprivation and ethnicity were confounding factors. Conclusions: There is some association between child BMI status and caries levels whereby caries prevalence among children of higher BMI is increased. The associations are over and above those of deprivation, ethnicity and water fluoridation individually, but these factors impact on the strength of the link between BMI and caries. Keywords: caries, height and weight measurements, BMI, associations, children

£10 single article

Other articles in this issue

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Editorial: Child oral health; is there anything more to know? 108-109 Download
Caregiver oral health literacy: relationship with socioeconomic factors, oral health behaviors and perceived child dental status 110-114 £10 single article
Associations between caries levels and BMI measures among five-year-old children. Analysis and cross-sectional multi-variable analysis at an individual child level 115-120 £10 single article
Dental Public Health in Action:Challenges and learning in carrying out an enhanced sample to provide small area data for the dental survey of five-year-old children in England 121-124 £10 single article
Randomized Controlled Trial: The effects of Short Message Service on mothers’ oral health knowledge and practice 125-131 £10 single article
Outcomes of a co-designed, community-led oral health promotion program for Aboriginal children in rural and remote communities in New South Wales, Australia 132-137 £10 single article
Greater child dental health inequality in England compared to Wales and Northern Ireland, despite lower average disease levels 138-142 Download
Everyone else is using it, so why isn’t the UK? Silver diamine fluoride for children and young people 143-149 £10 single article
Community-based oral health interventions for people experiencing homelessness: a scoping review 150-160 £10 single article
Deprivation and child dental attendance in England: exploring the shape and moderators 161-166 £10 single article
Letter to the Editor 167-168 £10 single article
Meeting report: The 4th Iranian Congress of Community Oral Health 169-169 £10 single article
IADR Symposium report Special Supplement in the March 2020 Issue of Community Dental Health 170-170 £10 single article

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