Impact evaluation of a youth sexually transmissible infection awareness campaign using routinely collected data sources

Abstract

Background: Young people are at high risk of sexually transmissible infections (STI) and notifications of chlamydia are rising rapidly. In 2007, a Victorian multimedia campaign aimed to increase STI testing and condom use among 18-25-year-olds. We conducted a retrospective impact evaluation using multiple sources of routinely collected data. Methods: Population-level chlamydia testing data from general practice, chlamydia testing data from five government primary care clinics with a high caseload of young people, and behavioural data from an annual youth behavioural survey were analysed. Analyses included time-series regression to assess trends in testing levels, Kruskal-Wallis tests to asse..