Table 2.
Comparison between the therapist-guided intervention and the self-guided digital tool for insomnia.
| Therapist-guided intervention (Kaldo et al., 2015) | Self-guided digital tool (Jernelöv et al., 2023) | |
|---|---|---|
| Number of study participants | n = 73 + 75 | n = 30 |
| Mean age in study | 48 | 46 |
| Gender proportion in study | 78 % female | 63 % female |
| Education level in study | 22 % secondary school 74 % university 4 % other |
13 % secondary school 87 % university 0 % other |
| Insomnia severity index mean at intervention start | Intervention group = 16.8 Control group = 16.5 |
16.5 |
| Number of words | ≈80,000 | 10,500 |
| Duration | 8 weeks | 4 weeks |
| Content | Full CBT for insomnia-package including new content and homework exercises every week, with a broad CBT-focus | Focused on sleep restriction-therapy |
| Therapist guidance | M = 115 min/participant | 0 min by design |
| Within-group effect on ISI at 3-month follow-up |
d = 1.71 (95 % CI = 1.33–2.08) (6-month follow-up) |
g = 1.81 (95 % CI = 1.20–2.42) |
| Responders at follow-up | 45 % | 41 % |