Table 1 Descriptive summaries and odds ratios for primary and secondary outcomes

Enrolled

56 (11.0)

30 (11.8)

26 (10.2)

1.18

0.68

2.06

0.56

Registered interest in participating

28 (5.5)

14 (5.5)

14 (5.5)

1.00

0.47

2.15

0.99

Opted out

164 (32.2)

81 (31.9)

83 (32.6)

0.97

0.67

1.41

0.87

Completed a reasons for non-participation questionnaire

152 (29.9)

77 (30.3)

75 (29.4)

1.04

0.71

1.53

0.82

Consented to participate

60 (11.8)

31 (12.2)

29 (11.4)

1.08

0.63

1.86

0.77

Completed the eligibility interview for inclusion

57 (11.2)

30 (11.8)

27 (10.6)

1.13

0.65

1.96

0.66

Completed the semi-structured interview at baseline

55 (10.8)

29 (11.4)

26 (10.2)

1.14

0.65

1.99

0.66

Completed the online Portal assessment at baseline

53 (10.4)

27 (10.6)

26 (10.2)

1.05

0.59

1.85

0.87

Completed the M.I.N.I. at post-treatment (12 weeks)

37 (7.3)

18 (7.1)

19 (7.5)

0.95

0.49

1.85

0.87

Completed the semi-structured interview at post-treatment (12 weeks)

37 (7.3)

18 (7.1)

19 (7.5)

0.95

0.49

1.85

0.87

Completed the online Portal assessment at post-treatment (12 weeks)

28 (5.5)

13 (5.1)

15 (5.9)

0.86

0.40

1.85

0.71

Completed the M.I.N.I at 6-month follow-up

36 (7.1)

17 (6.7)

19 (7.5)

0.89

0.45

1.76

0.74

Completed the online Portal assessment at 6-month follow-up

33 (6.5)

15 (5.9)

18 (7.1)

0.83

0.41

1.68

0.60

Required a telephone reminder to complete the online Portal assessment at baseline

4 (0.8)

2 (0.8)

2 (0.8)

1.00

0.14

7.18

1.00

Required a telephone reminder to complete the online Portal assessment at post-treatment (12 weeks)

9 (1.7)

5 (2.0)

4 (1.6)

1.26

0.33

4.75

0.73

Required telephone reminder to complete the online Portal assessment at 6-month follow-up

10 (2.0)

5 (2.0)

5 (2.0)

1.00

0.29

3.51

0.99