Table 5 Program engagement, credibility, satisfaction and negative effects by group

Number of completed modules

8.3 (3.8)

8.8 (3.6)

8.0 (3.8)

9.4 (3.4)

6.8 (4.0)

F _{(1, 269)} = 0.38, p = .54

F_{(1, 269)} = 14.41, p < .001

Interaction: F _{(1, 269)} = 3.73, p = 0.05

Days between first and last log-in

46.8 (29.2)

49.9 (26.0)

42.5 (30.7)

52.6 (24.7)

42.6 (33.7)

F_{(1, 269)} = 0.15, p = .70

F_{(1, 269)} = 6.06, p = .01

Interaction: F_(1,269) = .14, p = .71

Number of log-ins

14.5 (10.5)

16.9 (10.2)

13.6 (10.0)

17.4 (13.7)

10.4 (5.2)

F_{(1, 269)} = 1.18, p = .28

F_{(1, 269)} = 17.43, p < .001

Interaction: F_(1,269) = 2.26, p = .13

Written messages sent clinician to client

4.2 (4.1)

8.1 (1.7)

0.2 (0.6)

8.3 (1.2)

0.3 (0.6)

F_{(1, 269)} = 1.28, p = .26

F_{(1, 269)} = 3474.30, p < .001

Interaction: F_(1,269) = 0.52, p = .47

Written messages sent from client to clinician

1.5 (2.1)

2.6 (2.5)

0.5 (1.2)

2.5 (2.4)

0.4 (0.8)

F_{(1, 269)} = 0.06, p = .80

F_{(1, 269)} = 85.90, p < .001

Interaction: F_(1,269) = 0.01, p = .92

Number of phone calls with clinician

0.8 (1.0)

0.9 (1.3)

0.5 (0.8)

0.9 (1.1)

0.7 (0.8)

F_{(1, 269)} = 0.51, p = .48

F_{(1, 269)} = 5.96, p = .02

Interaction: F_(1,269) = 0.22, p = .88

Midtreatment credibility (6–27)

21.39 (4.48)

20.93 (4.50)

21.29 (4.83)

21.85 (4.54)

21.49 (4.06)

F_{(1, 219)} = 0.87, p = .35

F_{(1, 219)} = 0.00, p = .99

Interaction: F_(1,219) = 0.35, p = .55

Midtreatment expectancy (1–29)

19.76 (5.88)

19.59 (6.31)

19.25 (5.84)

20.05 (6.07)

20.17 (5.34)

F_{(1, 219)} = 0.76, p = .39

F_{(1, 219)} = 0.02, p = .89

Interaction: F_(1,219) = 0.08, p = .78

Satisfied/very satisfied overall, n (%)

133

69.6

36

67.9

28

62.2

39

75.0

30

73.2

X²_{(1, 191),} = 1.77; p = .18

X²_{(1, 191),} = 0.35; p = .55

Interaction:

X²_{(1, 191),} = 0.06; p = .81

Satisfied/very satisfied with materials, n (%)

154

80.6

42

79.2

36

80.0

43

82.7

33

80.5

X²_{(1, 191),} = 0.14; p = .71

X²_{(1, 191),} = 0.02; p = .90

Interaction:

X²_{(1, 191),} = 0.07; p = .79

Increased/greatly increased confidence, n (%)

156

81.7

42

79.2

35

77.8

47

90.4

32

78.0

X²_{(1, 191),} = 1.30; p = .26

X²_{(1, 191),} = 1.48; p = .22

Interaction:

X²_{(1, 191),} = 1.29; p = .26

Increased/greatly increased motivation for other treatment, n (%)

149

78.0

43

81.1

37

82.2

38

73.1

31

75.6

X²_{(1, 191),} = 1.54; p = .22

X²_{(1, 191),} = 0.10; p = .75

Interaction:

X²_{(1, 191),} = 0.01; p = .93

Course was worth the time, n (%)

180

94.2

49

92.5

42

93.3

50

96.2

39

95.1

X²_{(1, 191),} = 0.71; p = .40

X²_{(1, 191),} = 0.001; p = .98

Interaction:

X²_{(1, 191),} = 0.09; p = .77

Would recommend the course to a friend, n (%)

179

93.7

51

96.2

40

88.9

50

96.2

38

92.7

X²_{(1, 191),} = 0.25; p = .62

X²_{(1, 191),} = 2.42; p = .12

Interaction:

X²_{(1, 191),} = 0.14; p = .71

Reported negative effects, n (%)

5

2.6

1

1.9

2

4.4

1

1.9

1

2.4

X²_{(1, 191),} = 0.16; p = .69

X²_{(1, 191),} = 0.46; p = .50

Interaction:

X²_{(1, 191),} = 0.14; p = .74

Negative effect impact (1–4)

2.60 (1.14)

–

2.00 (0.00)

–

2.00 (1.41)

–

3.00 (0.00)

–

4.00 (0.00)

-

F_(1,4) = 0.47, p = .76

F_(1,4) = 0.47, p = .76

Interaction:

F_(1,4) = 0.14, p = .77