<![CDATA[Purpose of the study: This study aimed to determine the effect of audio-visual health education media on knowledge retention and compliance with personal protective equipment (PPE) use as a strategy to prevent occupational health risks among apple farmers in Kuala Pilah, Malaysia. Methodology: A pre-experimental one-group pretest–posttest design was conducted involving 20 apple farmers selected through total sampling. Data were collected at four time points: baseline (T0), immediately after intervention (T1), one week (T2), and two weeks (T3) post-intervention. Knowledge was measured using a structured questionnaire, while PPE compliance was assessed through observation and self-report. Repeated measures analysis and paired categorical tests were applied with a significance level of p < 0.05. Main Findings: The mean knowledge score increased from 56.4 at baseline to 82.7 immediately after the intervention, and remained significantly higher at 78.9 (week 1) and 74.6 (week 2) (p < 0.001). PPE compliance improved from 30.0% at baseline to 70.0% post-intervention and was maintained at 70–75% during follow-up (p < 0.05). Novelty/Originality of this study: This study provides integrated evidence on both sustained knowledge retention and measurable behavioral compliance using repeated follow-up assessments in an agricultural occupational health context, demonstrating the effectiveness of audio-visual media beyond immediate learning outcomes.]]>
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