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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