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Table 1 Mixed-effect models results of time, intervention, and time by intervention interaction on drinks in a typical week and AUDIT-C (Study 1)

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 – Ca

Estimate ± SE

t

p

Estimate ± SE

t

p

Intercept

1.41 ± 0.02

57.81

< 0.001

8.48 ± 0.17

50.08

< 0.001

Time (Ref: Baseline)

−0.30 ± 0.03

−9.14

< 0.001

−1.80 ± 0.21

−8.44

< 0.001

Condition (Ref: Control condition)

 CYD condition

− 0.02 ± 0.03

−0.57

0.569

−0.24 ± 0.24

−1.00

0.319

 AHC condition

−0.02 ± 0.04

−0.55

0.583

−0.03 ± 0.25

−0.14

0.893

  

F

p

 

F

p

Time x Intervention

(Ref: Baseline x control condition)

 

1.85

0.158

 

1.10

0.333

  1. SE Standard Error
  2. aprimary outcome variable
  3. bModel was conducted using the log transformation of the outcome variable