Figure 1From: The cost-effectiveness of the WINGS intervention: a program to prevent HIV and sexually transmitted diseases among high-risk urban womenSimplified version of structural equation model used to evaluate the effectiveness of the WINGS intervention. The regression coefficient linking the Treatment or Control Group Status variable and the Odds of Condom Usage is (A*B) + (C*E*F) + (A*D*F), where A,B,C,D,E, and F were obtained from Greenberg et al., 2000 [10].Back to article page