Figure 1

Path diagram for mediation effect of HIV status disclosure. Mothers and infants meeting inclusion criteria in the study. Muhima health centre cohort, Kigali/Rwanda, 2007-2010 [21]. The following steps were tested, as applied in social psychological research: first the independent variable affects the mediator in the first equation (a); second, the independent variable affects the dependent variable in the second equation (b); and third, the mediator affects the dependent variable in the third equation (c).