مجله دانشکده دندان‌پزشکی اصفهان

کاربرد مدل‌سازی معادلات ساختاری در بررسی عوامل مؤثر بر شاخص پوسیدگی دندان کودکان

نوع مقاله : مقاله‌های پژوهشی

چکیده

مقدمه: مدل‌سازی معادلات ساختاری طبقه‌ای از روش‌های آماری چندمتغیره است که ابعاد تحلیل عاملی و رگرسیون را ترکیب می‌کند تا محققان را در بررسی همزمان روابط میان متغیرها توانا سازد. این روش، تا به حال در پژوهش‌های دندان‌پزشکی مورد استفاده قرار نگرفته است. هدف مقاله حاضر، تعیین تأثیر آگاهی، نگرش و عملکرد والدین بر پوسیدگی دندانی فرزاندانشان با میانجیگری مصرف مواد قندی با استفاده از این روش بود.
مواد و روش‌ها: در این مطالعه‌ی مشاهده‌ای تحلیلی، پرسش‌نامه‌های آگاهی، نگرش و عملکرد والدین در بین 385 نفر از مردم شهر تبریز در ماه‌های بهمن و اسفند 1401 تکمیل شد. این پرسش‌نامه‌ها بر اساس تحقیقات قبلی و توسط محققین ساخته شده است. برای آزمون فرضیه‌های پژوهش از روش Partial Least Square with Structural Equation Modeling  استفاده شده است (0/01 = α).
یافته‌ها: با توجه به نتایج تحلیل آماری، تأثیر «آگاهی والدین»، «عملکرد والدین» و «میزان مصرف مواد قندی کودکان» روی «شاخص پوسیدگی دندان» و همچنین تأثیر «آگاهی والدین»، «نگرش والدین» و «عملکرد والدین» روی «میزان مصرف مواد قندی کودکان» در سطح 0/01 معنی‌دار است (0/01 p value <). همچنین نتایج تحلیل نشان داد که اثر غیرمستقیم متغیرهای «آگاهی»، «نگرش» و «عملکرد» والدین روی متغیر «شاخص پوسیدگی دندان‌های شیری» از طریق متغیر میانجی «میزان مصرف مواد قندی» در سطح 0/01 معنای‌دار است (0/01 p value <). ولی تأثیر «نگرش والدین» روی «شاخص پوسیدگی دندان» معنی‌دار نبود (0/05 p value >).
نتیجه‌گیری: در این مطالعه نشان داده شد که آگاهی، نگرش و عملکرد والدین بر روی شاخص پوسیدگی دندان از طریق متغیر میزان مصرف مواد قندی تأثیر معنی‌داری دارد.
کلیدواژه‌ها: شاخصdmf ؛ مدل‌سازی معادلات ساختاری؛ نگرش؛ عملکرد

عنوان مقاله [English]

The Application of Structural Equation Modeling in the Investigation of Factors Affecting the Dental Caries Index of Children

چکیده [English]

Abstract




Introduction:

Structural equation modeling (SEM) is a class of multivariate statistical methods that combines the dimensions of factor analysis and regression to enable researchers to simultaneously examine the relationships between variables. This method has not been used in dental research until now. In this article, the effect of parents' awareness, attitude and performance on their children's dmft with the mediation of sugary substance consumption has been investigated using the SEM method.



Materials
& methods:

In this research, questionnaires about the knowledge, attitude and performance of parents were completed among 385 people in Tabriz city. These questionnaires are based on previous research and made by researchers. Cronbach's alpha coefficients obtained for them were 0.949, 0.943 and 0.801 respectively, which indicates their good reliability. Also, checking the validity of the questionnaires (content validity with confirmatory factor analysis, convergent validity with average variance criterion and face validity with experts' approval) shows the usefulness of the tool. Structural equation modeling method with partial least squares (PLS) was used to test the research hypotheses.



Results:

According to the results of statistical analysis, the effect of "parental awareness", "parental performance" and "children's consumption of sugary substances" on "dmft" and also the effect of "parental awareness", "parental attitude" and "parental performance" on " The consumption of sugary substances by children" is significant at the level of 0.01 (P-value<0.01). Also, the results of the analysis showed that the indirect effect of the variables "awareness", "attitude" and "performance" of the parents on "dmft" through the mediator variable "amount of consumption of sugary substances" is significant at the level of 0.01 (P-value<0.01). But the effect of "parental attitude" on "dmft" was not significant (P-value>0.05).



Conclusion:


In this study, it was shown that the knowledge, attitude and performance of parents have a significant effect on "dmft" through the variable of consumption of sugary substances.
 



Key words: awareness, attitude, dmft, Structural Equation Modeling, performance, sugar

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مجله دانشکده دندان‌پزشکی اصفهان
دوره 19، شماره 4 - شماره پیاپی 4
دی 1401
صفحه 288-302