Lesotho (2012): [TRaC] measuring [HIV Counselling and Testing, Consistent Condom Use and Concurrent Sexual Partnerships] among [Men and Women aged 15 to 35 years] in [Lesotho]. Round [1].

The goal of this TRaC study was to provide actionable evidence for social marketing decision making and help to measure the impact of existing HIV prevention interventions. Data collection focused on HIV testing and counselling, consistent condom use, and concurrent sexual partnerships and underlying factors for these behaviours.This information will be used to develop interventions and communications for HIV prevention programs in Lesotho A two-stage cluster sampling was used to provide a nationally representative samplinng of 1,810 individuals. In the first stage, enumeration areas (EAs) within each district were randomly selected using a probability proportionate to size. EAs are geographic areas used for sampling purposes. In the second stage, households within the selected EAs were selected using simple random sampling. In households where more than one eligible respondent was available, a respondent was selected using te Kish grid method. Analyses consisted of logistic regression, and cross tabulation t o ascertain which correlates are correlated with key behaviours, and established program baselines. In addition, Coarsened Exact Matching (CEM) was applied for evaluation analysis to improve estimation of the effects of existing interventions. Respondents were matched on place of residence and on radio and television ownership