September 2014

Volume 31, Issue 3

Effect of second mailing for consent on child dental survey results

Authors: M.Z. Morgan N.P. Monaghan
doi: 10.1922/CDH_3384Morgan04


Introduction: Written parental consent of young children has been required for dental surveys in Wales since 2006. The 2007/08 survey produced much lower caries scores than previous surveys, believed to be associated with low participation of children with caries experience. Objective: To test the null hypothesis that decay variables from a second mailing of parental consent are no different from those generated from a first mailing. Methods: Cross-sectional caries (d3mft) survey of children aged 5-6 during 2011/12. Survey criteria complied with British Association for the Study of Community Dentistry guidance. Comparison of dental epidemiological variables generated from data collected via first and second mailing for consent. Results: The aggregate d3mft for all 7,734 children examined was 1.6. The mean d3mft for the first mailing was 1.5 (6,678 children) compared with a d3mft of 2.2 (1,056 children) for the second mailing. Equivalent data for d3mft(d3mft>0) and %d3mft>0 were: d3mft(d3mft>0) 3.8 first mailing compared with d3mft(d3mft>0) 4.1 second mailing; and %d3mft>0 39.5% first mailing compared with %d3mft>0 54.1% second mailing. Mean d3mft and %d3mft>0 showed statistically significant differences. Conclusions: Null hypothesis is rejected for d3mft and %d3mft>0. The findings suggest non-responders to the first mailing do have higher prevalence of decay than responders. To facilitate comparisons of reported decay levels, future surveys using mailed forms for consent purposes should include at least two mailings and report the number of mailings used to facilitate comparisons of reported decay levels. Key words: epidemiology, child, dental caries, bias (epidemiology), research design, data collection


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Dental Public Health in Action - Training dental nurses with additional skills in oral health education and application of fluoride varnish: activity impact and challenges 132-135 Download
Frequency of daily tooth brushing: predictors of change in 9- to 11-year old US children 136-140 Download
Caries experience and treatment needs among Albanian 12-year-olds 141-144 Download
Experience of racism and tooth brushing among pregnant Aboriginal Australians: exploring psychosocial mediators 145-152 Download
Dietary intake of calcium, vitamins A and E and bleeding on probing in Sri Lankan preschoolers 153-157 Download
Type II diabetes and oral health: perceptions among adults with diabetes and oral/health care providers in Ghana 158-162 Download
Dental caries among children in Georgia by age, gender, residence location and ethnic group 163-166 Download
Access, literacy and behavioural correlates of poor self-rated oral health amongst an Indigenous South Australian population 167-171 Download
Effect of second mailing for consent on child dental survey results 172-175 Download
Evaluation of a capacity building clinical educational model for oral health clinicians treating very young children 176-182 Download
The significance of motivation in periodontal treatment: The influence of adult patients’ motivation on the clinical periodontal status 183-187 Download
Evaluation of internet search trends of some common oral problems, 2004 to 2014 188-192 Download


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