--- data_dictionary: hiv-intervention.txt source: OzDASL website download_url: https://gksmyth.github.io/ozdasl/general/protsex.txt description: > This is a longitudinal study of an intervention in 14-18 adolescents intended to increase the frequency of condom protected sex. Subjects were allocated randomly to treatment or control groups. All were evaluated prior to the intervention, immediately after the intervention, 6 months and 12 months after the intervention.The outcome variable is the logarithm-transformed frequency of condom-protected sex ( log(Y+1) )." additional_description: https://gksmyth.github.io/ozdasl/general/protsex.html copyright: > Gordon K. Smyth claims copyright on all datasets at OzDASL, but you can probably use this dataset under the Fair Use provisions of copyright law for individual educational purposes. format: tab-delimited varnames: first row of data missing_value_code: Not needed size: rows: 20 columns: 5 vars: BST: label: treatment group values: 1: BST intervention 0: control Pre: label: Log-frequency of protected sex before the intervention Post: label: Log-frequency of protected sex after the intervention FU6: label: Log-frequency of protected sex reported at the 6 months follow-up FU12: label: Log-frequency of protected sex reported at the 12 months follow-up ---