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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Psychol Addict Behav. 2021 Apr 29;35(6):628–637. doi: 10.1037/adb0000744

Table 3.

Growth factor means and correlations

Class 1:
Initial AC Abstainer with Increasing AC Use		 Class 2:
Initial Low AC Use with Increasing Drinking		 Class 3:
Increasing Cannabis Use with Steady Drinking		 Class 4:
Decreasing Cannabis Use with Steady Drinking
Mean
 CInt 0.001, p<.001 1.347, p<.001 0.007, p<.001 2.99, p<.001
 CSlp 0.154, p<.001 0.041, p<.001 0.273, p<.001 −0.243, p<.001
 AInt 0.049, p<.001 1.389, p<.001 2.541, p<.001 1.821, p<.001
 ASlp 0.304, p<.001 0.213, p<.001 −0.053, p<.001 0.112, p<.001
Correlations
 CInt, CSlp 0.105, p<.001 0.027, p=.738 0.008, p=.934 −0.219, p=.001
 AInt, ASlp 0.455, p<.001 −0.106, p=.193 −0.281, p=.004 −0.013, p=.847
 CInt, AInt 0.571, p<.001 0.464, p<.001 −0.226, p=.020 0.393, p<.001
 CSlp, ASlp 0.741, p<.001 0.667, p<.001 0.544, p<.001 0.684, p<.001

Note. C = Cannabis, A = Alcohol, Int = Intercept, Slp = Slope