Zimbabwe (2008): Multiple Concurrent Partnerships in Zimbabwe

PSI/Z conducted a cross sectional population based survey (August-September 2008). Male and female respondents aged 15-49 years were randomly sampled from households in both urban and rural areas. The study sample was selected in two stages. In the first stage, enumeration areas (EAs) were randomly selected using 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 randomly selected using the Kish grid method. Analysis was performed using SPSS version 16 and results presented in PSI Dashboard format. Means were reported using UNIANOVA; separate models were run in which the variable of interest was the outcome and controls were age, education, sex, residence and socio-economic status. The segmentation model was based on binary logistic regression in which explanatory variables were dropped if found not to significantly contribute to explanation of the variance. Adjusted means or proportions were presented for explanatory variables which remained in the final logistic regression model, adjusting for significant explanatory variables in the model.