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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Drug Alcohol Depend. 2021 Jun 25;226:108884. doi: 10.1016/j.drugalcdep.2021.108884

Table 3.

Drug use, Cue Exposure, Stress, and Social Contact During Treatment by Stress Trajectory Subgroups

Increasing Stress (cluster 1) Moderate and Stable (cluster 2) Low Stress (cluster 3) Declining and Increasing (cluster 4) p
Any Drug Use During Study (average daily rate) 0.30a 0.32B 0.21aBc 0.30c 0.010
 Heroin Use (average daily rate) 0.11 0.18 0.11 0.13 0.158
 Other Opiate Use (average daily rate) 0.02 0.01 0.02 0.02 0.989
 Any Opiate Use (average daily rate) 0.13 0.19a 0.12a 0.15 0.122
 Cocaine Use (average daily rate) 0.12 0.11 0.10 0.12 0.603
 Cannabis Use (average daily rate) 0.10a 0.08 0.04a 0.08 0.096
 Alcohol Use (average daily rate) 0.07A 0.06 0.03A 0.06 0.035
Drug Cues (average daily rate) 1.04 0.95 0.91 0.69 0.173
Drug use with others (average daily rate) 0.12 0.12 0.09 0.09 0.236
Stress Events□ (average daily rate) 0.15 0.13 0.08a 0.11a 0.069
Opioid Craving (average response) 4.60AB 4.22CD 3.02AC 3.30BD < .001
Cocaine Craving (average response) 3.41 3.40 2.95 3.11 0.329

Note. Data were collected during EMA assessments. Bolded uppercase superscripts with the same letter denote trajectory subgroups that differ from one another at p < 0.05. Lowercase non-bolded superscripts with the same letter denote trajectory subgroups that differ from one another at p < 0.10.

□

= event-contingent stress report.