Changes in oral health related knowledge, attitudes and behaviours following school based oral health education and atraumatic restorative treatment in rural Tanzania
DOI:
https://doi.org/10.5324/nje.v22i1.1516Sammendrag
Objectives: The following questions were addressed; to what extent is sugar consumption, tooth brushing, and oral health related attitudes and knowledge subject to change following a combined atraumatic restorative treatment (ART) /oral health education (OHE) program? Are changes in intended sugar avoidance associated with changes in cognitions as specified by the Theory of Planned Behaviour (TPB)? Are changes in oral health related knowledge associated with changes in attitudes and oral health behaviour?
Method: A total of 1306 (follow-up prevalence 73.8%) primary school students in Kilwa, Tanzania completed interviews before and after a combined ART/OHE program. Post intervention at 6 months follow-up assessed changes in oral health related knowledge, attitudes, and behaviours. Complete baseline and follow-up interviews were obtained from 221 and 1085 students who received ART/OHE and OHE only at schools, respectively.
Results: Improvement was obtained with attitudes towards sugar avoidance, knowledge, and tooth brushing (effect sizes in the range 0.1-0.3). Within individual changes did not differ significantly between students receiving ART/ OHE and OHE only. Change scores of intended sugar avoidance associated in the expected direction with changes in sugar consumption. Attitudes and norms with respect to sugar avoidance deteriorated and improved among subjects who respectively decreased and increased intended sugar avoidance. Tooth brushing increased in students who improved oral knowledge.
Conclusion: School based ART/OHE improved pupils’ tooth brushing, knowledge, and attitudes, but had no effect on sugar consumption. This study provided support for the validity of the TPB in predicting changes in intended sugar avoidance and reported sugar intake.
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