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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Addict Behav. 2021 May 16;121:106985. doi: 10.1016/j.addbeh.2021.106985

Table 4c.

Model parameters from zero-inflated Poisson models predicting past year cannabis use with coping strategies

Cannabis Use Days in the Past Year
Predictors Estimate SE z p
Count Model
(Intercept) 3.82 0.05 70.10 <.001
ageΔ 0.24 0.02 10.15 <.001
agem 0.19 0.02 8.88 <.001
sex 0.41 0.01 39.79 <.001
FH Alc 0.12 0.01 12.23 <.001
CogRest 0.31 0.02 17.95 <.001
EmoReg −0.57 0.02 −27.99 <.001
ageΔ * agem −0.09 0.01 −8.80 <.001
ageΔ * CogRest −0.04 0.01 −4.94 <.001
agem * CogRest −0.04 0.01 −5.09 <.001
ageΔ * EmoReg 0.04 0.01 4.67 <.001
agem * EmoReg 0.01 0.01 1.01 0.311
ageΔ * agem * CogRest 0.00 0.00 0.87 0.383
ageΔ * agem * EmoReg 0.04 0.00 9.00 <.001
Zero-Inflated Model
(Intercept) 3.77 0.84 4.46 <.001
ageΔ −0.65 0.37 −1.75 .080
agem −0.45 0.33 −1.37 .171
sex −0.85 0.36 −2.36 .018
FH Alc −0.57 0.38 −1.48 .138
CogRest −0.07 0.25 −0.28 .776
EmoReg 0.09 0.29 0.30 .768
ageΔ * agem 0.12 0.16 0.76 .445
ageΔ * CogRest −0.11 0.12 −0.88 .378
agem * CogRest 0.04 0.11 0.40 .691
ageΔ * EmoReg 0.02 0.15 0.12 .902
agem * EmoReg −0.12 0.13 −0.94 .347
ageΔ * agem * CogRest −0.04 0.05 −0.81 .416
ageΔ * agem * EmoReg 0.07 0.06 1.04 .080

Note. Zero-inflated portion reflects likelihood of being a “zero” (i.e., no drinking reported in the past year). ageΔ = Age Change; agem = Age Cohort; FH Alc = Family history density of alcohol use disorders; EmoReg = Emotion Regulation Coping; CogRest = Cognitive Restructuring Coping