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Table 2 Pre-treatment to 3-month follow-up observed mean and standard deviations for primary outcomes

From: Internet-delivered therapy for alcohol misuse: engagement, satisfaction, and outcomes when patients select their preference for therapist- or self-guided treatment

Variable

All patients

(n = 122)

All Preference Trial patients

(n = 74)

Preference Trial

(n = 74)

Accepted for Self-Guided Only

(n = 48)

Statisticala Significance

χ2 or t-test

Guided

(n = 60)

Self-Guided

(n = 14)

Met Severity criteria but Out-of-Province

(n = 48)

TLFB

      

 Pretreatment

37.24

(17.38)

37.82

(18.30)

38.85

(17.70)

33.43

(20.79)

36.33

(16.02)

p = .32

 Midtreatment

15.20

(15.42)

15.79

(16.51)

16.43

(17.74)

12.40

(6.60)

14.17

(13.47)

p = .48

 Posttreatment

13.67

(15.06)

13.65

(14.12)

14.08

(15.02)

11.33

(7.94)

13.69

(16.64)

p = .60

 Followup

16.58

(14.78)

17.00

(15.76)

16.61

(16.37)

18.75

(13.44)

15.97

(13.46)

p = .73

HDD

 Pretreatment

4.11

(1.98)

3.99

(2.00)

4.13

(1.96)

3.36

(2.10)

4.31

(1.97)

p = .19

 Midtreatment

1.65

(2.02)

1.62

(1.93)

1.75

(2.04)

0.90

(0.99)

1.69

(2.20)

p = .20

 Posttreatment

1.36

(2.02)

1.37

(1.95)

1.51

(2.03)

0.67

(1.41)

1.35

(2.15)

p = .24

 Followup

1.70

(2.06)

1.70

(1.97)

1.58

(1.98)

2.25

(1.98)

1.70

(2.22)

p = .39

  1. TLFB Time Line Follow Back, HDD Heavy Drinking Days
  2. aAnalyses compare guided and self-guided Preference Trial participants