Hierarchical Regression Analyses.

Note. Sets of predictors were added in sequence from M0 to M7. M0 = Null Model (intercept only), M1 = demographic variables (age, gender, highest education achieved, employment status, Maasai vs. other ethnicity), M2 = village membership, M3 = weekly media consumption (radio, television, print media), M4 = HIV knowledge, M5 = psychographic factors. Change in model fit was assessed via likelihood ratio testing: i.e., change in deviance relative to change in degrees of freedom. Sets shown to improve model fit (* paDeviance (-2*log-likelihood) is reported for each model. R2 is reported in brackets for best-fitting logistic models.bAnalyses were carried out on data from the subset of individuals who reported previous sexual activity.cAge was not included in the set of basic demographic variables in this analysis.