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Table 3 Mixed-effect models results of time, intervention, and time by intervention interaction on drinks in a typical week and AUDIT-C (Study 2)

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

Effect Drinks in a typical weekab AUDIT - C
Estimate ± SE t p Estimate ± SE t p
Intercept 1.40 ± 0.02 76.01 < 0.001 8.42 ± 0.12 67.53 < 0.001
Time (Ref: Baseline) −0.26 ± 0.03 −9.55 < 0.001 −1.48 ± 0.17 −8.83 < 0.001
Condition (Ref: Control condition)
 CYD condition −0.004 ± 0.03 −0.15 0.879 −0.17 ± 0.18 −0.94 0.347
 AHC condition −0.005 ± 0.03 −0.20 0.844 −0.11 ± 0.18 −0.61 0.545
   F p   F p
Time x Intervention
(Ref: Baseline x control condition)
  1.17 0.312   0.86 0.424
  1. SE Standard Error
  2. aprimary outcome variable
  3. bModel was conducted using the log transformation of the outcome variable