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. 2022 Aug;92(8):815-821.
doi: 10.1111/josh.13158. Epub 2022 Mar 5.

Dose Matters in Evaluation of a School-Based Adolescent Sexual Health Education Program

Amy D Benton  1 , Erica Nason  1 , Carol Lewis  2 , Aubrey Vinklarek  2 , Alda Santana  3
Affiliations

Dose Matters in Evaluation of a School-Based Adolescent Sexual Health Education Program

Amy D Benton et al. J Sch Health. 2022 Aug.

Abstract

Background: Research on the effects of intervention dose on outcomes within adolescent sexual health education programming is lacking. Existing research on dose typically utilizes the number of sessions as a variable. In a school setting, there are scheduling limitations, student absences, and other logistical barriers that have the potential to affect the number of sessions for an intervention and, in turn, impact the efficacy of programming.

Methods: This article evaluates the effectiveness of a school-based, peer-led adolescent comprehensive sexual health education program, with a focus on dose. A repeated measures MANOVA was used to evaluate the effects of individual difference variables and intervention variables on changes in participants' knowledge and attitudes across 2 time points. Additionally, paired t-tests were used to evaluate changes in specific behaviors.

Results: Results indicated that knowledge improved following the intervention, and specifically larger doses, measured in minutes, of the intervention were associated with larger improvements in knowledge. There were no significant effects related to attitudes or behavioral outcomes.

Conclusions: This study adds to the knowledge base by including analysis of how the dose of intervention may impact youth outcomes. Implications for school health practices and research are discussed.

Keywords: adolescent sexual health education; comprehensive sex education; dose/dosage; pregnancy prevention.

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Conflict of interest statement

All authors of this article declare that they have no conflicts of interest.

Figures

Figure 1
Figure 1
Knowledge and Attitudes Scores Across Timepoints
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