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Table 4 Mixed-effect models results of time, intervention, and time by intervention interaction on secondary outcome variables of Study 2

From: Outcomes of two randomized controlled trials, employing participants recruited through Mechanical Turk, of Internet interventions targeting unhealthy alcohol use

Effect Highest # drinks on one occasiona # of alcohol consequencesa
Estimate ± SE t p Estimate ± SE t p
Intercept 1.02 ± 0.01 78.29 < 0.001 0.50 ± 0.02 29.47 < 0.001
Time (Ref: Baseline) −0.11 ± 0.02 −6.48 < 0.001 −0.12 ± 0.02 −6.19 < 0.001
Condition (Ref: Control condition)
 CYD condition −0.02 ± 0.02 −1.30 0.192 −0.01 ± 0.02 −0.58 0.565
 AHC condition −0.02 ± 0.02 −1.00 0.319 − 0.01 ± 0.02 −0.48 0.634
   F p   F p
Time x Intervention
(Ref: Baseline x control condition)
  2.18 0.114   0.29 0.748
  1. SE Standard Error
  2. aModels were conducted using the log transformation of the outcome variable