. Author manuscript; available in PMC: 2013 Nov 14.

Published in final edited form as: J Drug Issues. 2012 Apr 1;42(2):10.1177/0022042612446593. doi: 10.1177/0022042612446593

Table 2.

Correlation Coefficients Among Selected Variables (N = 41)

	1	2	3	4	5	6
Female	1.000
Age	−0.506^***
Years of education	0.274	−0.462^**
Medical doctor	−0.259	0.301	0.128
MMT knowledge	−0.039	−0.078	−0.010	−0.148
Negative attitude toward drug users	−0.377^*	0.086	−0.149	0.341^*	−0.042
Provider–client interaction	0.343^*	−0.109	0.170	−0.223	0.152	−0.542^***

Note: MMT = methadone maintenance treatment.

p < .05.

^**

p < .01.

^***

p < .001.