Process evaluation of a school-based HIV/AIDS intervention in South Africa

Doctoral Thesis


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University of Cape Town

This thesis presents an evaluation of a theory-based HIV prevention intervention designed for grade 8 high school students. The intervention was delivered by teachers over a 6-month period. The objectives of the research were (i) to conduct a systematic review of evaluation studies of international and South African school-based interventions aimed at postponing sexual intercourse and increasing condom use; (ii) to conduct a process evaluation documenting implementation of the intervention; and (iii) to conduct an evaluation to assess teh intervention effects on the delay of sexual intercourse and condom use. The study was conducted over a period of 15 months, using a cluster radomised controlled trial design. A multi-stage sampling strategy was employed in selecting the participating schools. Twenty-six schools located in various parts of Cape Town participated in the research, 13 in the experimental group and 13 in the control group. Process evaluation data were collected during and after implementation of the intervention. Interviews, focus group discussions, classroom observations and educator lesson logs were the methodologies employed in the process evaluation. Quantitative outcome evaluation data were collected at baseline 6- and 15-months follow-up, using a self administered questionnaire.

Includes bibliographical references (p. 299-315)