Figure 2. Scatter plot for CTQ-SF summary score and amount and frequency of cocaine use during follow-up by gender.
a) Women: CTQ-SF summary score vs. number of days of cocaine use (r = 0.37, p<.005);
b) Men: CTQ-SF summary score vs. number of days of cocaine use (r = -0.12, p = 0.31);
c) Women: CTQ-SF summary score vs. amount of cocaine used per occasion (r = 0.28, p< 0.04);
d) Men: CTQ-SF summary score vs. amount of cocaine used per occasion (r = -0.03, p = 0.77).