テキストメッセージによる通知が10代の歯磨き習慣を改善(Text message reminders help teens brush their teeth)

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2024-10-31 カーディフ大学

カーディフ大学などの研究チームは、テキストメッセージでのリマインダーがティーンエイジャーの歯磨き習慣を改善する効果があることを明らかにしました。BRIGHTトライアルでは、イギリスの42校で11歳から13歳の生徒4,680名を対象に、1日2回の歯磨きリマインダーを2年半にわたり実施しました。特に低所得世帯の生徒に効果があり、虫歯予防に役立つ可能性が示されました。この結果は、二次教育での口腔ケア支援の必要性を示しています。

<関連情報>

中高生の虫歯予防のための歯磨き行動変容介入(レッスンとテキストメッセージ): BRIGHT無作為化対照試験 Behaviour change intervention for toothbrushing (lesson and text messages) to prevent dental caries in secondary school pupils: The BRIGHT randomized control trial

Nicola Innes, Caroline Fairhurst, Katie Whiteside, Hannah Ainsworth, Debbie Sykes, Sarab El Yousfi, Emma Turner, Ivor G. Chestnutt, Anju Keetharuth, Simon Dixon, Peter F. Day …
Community Dentistry and Oral Epidemiology  Published: 08 January 2024
DOI:https://doi.org/10.1111/cdoe.12940

テキストメッセージによる通知が10代の歯磨き習慣を改善(Text message reminders help teens brush their teeth)

Abstract

Objectives
This multicentre, assessor-blinded, two-arm cluster randomized trial evaluated the clinical and cost-effectiveness of a behaviour change intervention promoting toothbrushing for preventing dental caries in UK secondary schools.

Methods
Pupils aged 11–13 years with their own mobile telephone attending secondary schools with above average free school meals eligibility were randomized (at year-group level) to receive a lesson and twice-daily text messages or to usual care. Year-groups (n = 84) from 42 schools including 4680 pupils (intervention, n = 2262; control, n = 2418) were randomized.

Results
In 2383 participants with valid data at baseline and 2.5 years, the primary outcome of presence of at least one treated or untreated carious lesion (D4-6 MFT [Decayed, Missing and Filled Teeth] in permanent teeth using International Caries Detection and Assessment System) was 44.6% in the intervention group and 43.0% in control (odds ratio [OR] 1.04, 95% CI 0.85–1.26, p = .72). There were no statistically significant differences in secondary outcomes of presence of at least one treated or untreated carious lesion (D1-6 MFT), number of D4-6 MFT and D1-6 MFT, plaque and bleeding scores or health-related- (Child Health Utility 9D) or oral health-related- quality of life (CARIES-QC). However, twice-daily toothbrushing, reported by 77.6% of pupils at baseline, increased at 6 months (intervention, 86.9%; control, 83.0%; OR 1.30, 95% CI 1.03–1.63, p = .03), but returned to no difference at 2.5 years (intervention, 81.0%; control, 79.9%; OR 1.05, 95% CI 0.84–1.30, p = .69). Estimated incremental costs and quality-adjusted life-years (QALYs) of the intervention, relative to control, were £1.02 (95% CI -1.29 to 3.23) and -0.003 (95% CI -0.009 to 0.002), respectively, with a 7% chance of being cost-effective (£20 000/QALY gained threshold).

Conclusion
There was no evidence of statistically significant difference for caries prevalence at 2.5-years. The intervention’s positive 6-month toothbrushing behaviour change did not translate into caries reduction. (ISRCTN 12139369). COVID-19 pandemic adversly affected follow-up.

医療・健康
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