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中华口腔医学研究杂志(电子版) ›› 2025, Vol. 19 ›› Issue (06) : 388 -392. doi: 10.3877/cma.j.issn.1674-1366.2025.06.006

论著

基于智能电动牙刷数据与自我报告的个体刷牙行为差异性分析
彭琳珊1, 张斌2, 陈晰娟1, 郝佳3, 任先越1, 程斌1, 陈小冰1,()   
  1. 1中山大学附属口腔医院,光华口腔医学院,广东省口腔医学重点实验室,广东省口腔疾病临床医学研究中心,广州 510055
    2广州星际悦动股份有限公司,广州 510610
    3广东外语外贸大学国际商务英语学院,广州 510420
  • 收稿日期:2025-04-01 出版日期:2025-12-01
  • 通信作者: 陈小冰

Differential analysis of toothbrushing behavior based on smart toothbrush data and self-reports

Linshan Peng1, Bin Zhang2, Xijuan Chen1, Jia Hao3, Xianyue Ren1, Bin Cheng1, Xiaobing Chen1,()   

  1. 1Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong Provincial Clinical Research Center of Oral Diseases, Guangzhou 510055, China
    2Guangzhou Stars Pulse Co., Ltd., Guangzhou 510610, China
    3School of English for International Business, Guangdong University of Foreign Studies, Guangzhou 510420, China
  • Received:2025-04-01 Published:2025-12-01
  • Corresponding author: Xiaobing Chen
  • Supported by:
    Research Project of Traditional Chinese Medicine of the Traditional Chinese Medicine Bureau of Guangdong Province(20251073); USMILE Oral Health Research Fund(2024440111000324)
引用本文:

彭琳珊, 张斌, 陈晰娟, 郝佳, 任先越, 程斌, 陈小冰. 基于智能电动牙刷数据与自我报告的个体刷牙行为差异性分析[J/OL]. 中华口腔医学研究杂志(电子版), 2025, 19(06): 388-392.

Linshan Peng, Bin Zhang, Xijuan Chen, Jia Hao, Xianyue Ren, Bin Cheng, Xiaobing Chen. Differential analysis of toothbrushing behavior based on smart toothbrush data and self-reports[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2025, 19(06): 388-392.

目的

对比研究智能电动牙刷记录的客观刷牙数据与参与者自我报告的刷牙行为,分析两者所反映刷牙习惯的差异性及其影响因素。

方法

共纳入18 169名2024年1—12月期间使用同款智能电动牙刷的18 ~ 45岁用户作为研究对象。刷牙行为数据(日均刷牙频率、单次刷牙时长)通过智能电动牙刷记录和参与者填写问卷自我报告获得,采用Kappa一致性检验、卡方检验和二元Logistic回归等方法进行统计学分析。

结果

参与者自我报告与智能牙刷记录的刷牙习惯一致的有9 864人(54.3%),其余8 305人(45.7%)则存在不一致的情况,差异具有统计学意义(κ = 0.106,P<0.001),其中主观行为高估者占比高达92.8%(7 711/8 305)。在自我感知存在牙周症状的研究对象中,主观行为低估者的比例为8.1%,高于未发生牙周症状者(6.6%),差异有统计学意义(χ2 = 6.332,P = 0.012)。二元Logistic回归分析显示,发生牙周症状的研究对象低估自身刷牙行为的可能性是未发生牙周症状者的1.224倍(OR = 1.224,95% CI:1.032 ~ 1.453,P = 0.02)。

结论

个体对自身刷牙行为的认知与实际情况存在显著偏差,且个体的自我感知更倾向于高估自身实际刷牙行为。牙周症状的发生使个体提高对刷牙行为认知的准确性。智能电动牙刷通过客观数据反馈等机制能够帮助用户纠正认知偏差,改善口腔健康管理状况。

Objective

To compare the objective brushing data recorded by the smart electric toothbrushes with the participants′ self-reported brushing behaviors, and to analyze the differences in brushing habits reflected by the two and their influencing factors.

Methods

A total of 18 169 users aged 18-45 years old who used the same smart electric toothbrushes between January and December 2024 were included as study subjects. Data on brushing behaviors (average daily brushing frequency, single brushing duration) were obtained through smart electric toothbrush recordings and participant self-reports by filling out questionnaires, and were statistically analyzed using Kappa consistency test, chi-square test, and binary logistic regression.

Results

Among the participants, 9 864 individuals (54.3%) reported brushing habits consistent with those recorded by the smart toothbrush, while the remaining 8 305 individuals (45.7%) exhibited inconsistencies. This difference was statistically significant (κ = 0.106, P<0.001), with 92.8% (7 711/8 305) of the inconsistent group being overestimators of their subjective behavior. Among study participants who self-reported periodontal symptoms, the proportion of those who underestimated their subjective behavior was 8.1%, higher than those without periodontal symptoms (6.6%) (χ2 = 6.332, P = 0.012). Binary logistic regression analysis showed that participants with periodontal symptoms were 1.224 times more likely to underestimate their brushing behavior than those without periodontal symptoms (OR = 1.224, 95% CI: 1.032 ~ 1.453, P = 0.02) .

Conclusions

Individuals′ perception of their brushing behavior deviates significantly from the actual situation, and individuals tend to overestimate their actual toothbrushing behavior. The occurrence of periodontal symptoms makes individuals improve the accuracy of their perception of brushing behavior. Smart electric toothbrushes can help users correct cognitive bias and improve oral health management through mechanisms such as objective data feedback.

表1 18 169名研究对象基本特征的描述性分析
表2 自我报告与智能电动牙刷设备数据指示的刷牙习惯一致性分析
表3 牙周症状的发生对主观刷牙行为评估倾向的影响
表4 牙周症状的发生对主观刷牙行为评估倾向的多因素Logistic回归
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