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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Drug Alcohol Depend. 2014 Jul 30;144:53–60. doi: 10.1016/j.drugalcdep.2014.07.026

Figure 2.

Figure 2

Figure 2

a. Median standardized likelihood values for each SDT partner condition with best-fit two-parameter hyperbolic functions (V=A/(1+kD)s) for OD women (n=33) and non-drug-using control women (n=27).

b. Individual participant’s standardized area under the curve (AUC) values from the SDT organized according to partner condition (MOST SEX, LEAST SEX, LEAST STI, and MOST STI) and group (OD women vs. non-drug-using controls). Horizontal lines indicate median AUC values for each partner condition/group. Two-way ANOVA indicated that OD women discounted condom-protected sex more steeply than controls for MOST SEX/LEAST SEX partners [F(1,54)=4.11, p=.048] and for LEAST STI/MOST STI partners [F(1,54)=7.50, p<.01]. Overall, women discounted condom-protected sex more steeply for LEAST STI partners than for MOST STI partners [F(1,43)=4.87, p=.03]. There were no overall differences between MOST SEX and LEAST SEX partners [F(1,43)=2.23, p=.14].