Table 5.

Standard Multiple Regression of Predictors of Willingness to Use Microbicides With the Correlations Among the Variables, the Unstandardized Regression Coefficients, the Standardized Regression Coefficients, the Semipartial Correlations, R, R², and Adjusted R²

Variables	Willingness (DV)	Condom use	White vs. other	Partner type	B	β	sri2 (unique)
Condom use	.27				3.23**	.234	.054
White vs. Other	−.23	−.02			−3.21**	−.218	.048
Partner type	.20	.10	−.02		2.27**	.163	.026
Spermicide use	.16	.07	−.01	.05	2.01*	.133	.017
Intercept					29.28
R = .406
R2 = .165a
Adjusted R2 = .158

^aUnique variability = .145 (Σsr_i²); shared variability = .020 (R² – Σsr_i²).

^*p < .01.

^**p < .001.