Using condom data to assess the impact of HIV/AIDS preventive interventions.

The effective evaluation of preventive activities depends on the identification of indicators and the selection of appropriate outcome measures which reflect the goals of the intervention. An increase in condom use has been seen as a positive sign of the impact of HIV/AIDS public education. This paper examines possible sources of data relating to condom use in the context of assessing public response to the AIDS epidemic, with particular reference to methodological challenges presented by each; issues relating to the validity of data, problems of interpretation and the scope for improvement. A multiple indicator approach, using several types of data in unison, is advocated. Conclusions drawn from the multiple indicator approach are likely to be firmer and sounder than those drawn from the single indicator approach, and are more likely to offer insight into the mechanisms which influence particular outcomes.