ArticleBMC public health2026
The effect of school-based educational session on knowledge, attitudes, and beliefs of cervical cancer among adolescents in mixed day high schools in Embu County: a quasi-experimental study.
Article in BMC public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSchool-based interventions have proven effective in enhancing knowledge and altering attitudes toward cervical cancer among adolescents. This study aimed to evaluate the effect of a school-based educational intervention on the attitudes, beliefs, and knowledge of cervical cancer among adolescents in mixed-day high schools in Embu County.
methodsThis study used a single-group, repeated cross-sectional design to assess the effect of a structured health education session on cervical cancer among adolescent boys and girls in mixed-gender secondary schools. A self-administered anonymous questionnaire was administered before and immediately after the post-intervention. The education session lasted 30-45 min, and the study population included teenage boys and girls in selected mixed-day secondary schools in Embu County. Schools were conveniently sampled, and students in Form One and Form Two were purposively selected. Data were analyzed using R version 4.2.2 Descriptive statistics included means, standard deviations, counts, and percentages. Welch's two-sample t-test to compare pre and post- intervention groups scores. Effect sizes were estimated using Cohen's d with 95% confidence intervals. Statistical significance was set at α = 0.05.
resultsOur findings revealed that the respondents had low knowledge of cervical cancer and the HPV vaccine before the health education session. The overall knowledge score increased from a pretest mean of 105.23 to a posttest mean 131.8, respectively, which was a statistically significant change (t (567.66) = 6.89, p < 0.001) with a 95% confidence interval for the mean difference of 19.02 to 34.18. The magnitude of the difference corresponded to a moderate effect size (Cohen's d = 0.58, 95% CI: 0.41-0.74). Many adolescents indicated a willingness to engage in discussions about cervical cancer, with several expressing intent to talk with friends, with 40.99% strongly agreeing to talk to parents about the topic. Approximately 73% of the students expressed a desire to share information with their parents and friends, whereas 70.22% indicated that they would ask their guardians to take them for the HPV vaccine. The majority (70%) of the students agreed that the lecture delivery method was good. However, 48% of the students felt that the lecture was complicated.
conclusionsThe single session educational intervention on cervical cancer was associated with improved knowledge of cervical cancer among adolescents. Majority of the respondents expressed willingness to discuss the topic with peers and parents, suggesting potential for information dissemination within their communities.
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