Table 2.
Main features of selected studies with Dialectical Behavioural Therapy (DBT) intervention for adults and adolescents (N = 16).
| Authors | Study design | DBT mode | Age groups | DBT Length (in months) | Sample size at baseline | Gender % (F, M) |
Dropout rate% | ITT | Outcome measures | JBI appraisal |
|---|---|---|---|---|---|---|---|---|---|---|
| Walton et al. (2020) | RCT | Full-programme | Adults | 12 | 81 | 77, 23 | 35 | Yes | DERS | 10/13 |
| Stiglmayr et al. (2014) | Effectiveness | Full-programme | Adults | 12 | 70 | 84, 16 | 40 | Yes | BSL | 5/9 |
| Lyng et al. (2019) | Effectiveness | Full-programme | Adults | 12 | 37* | 78, 22 | 21 | No | BSL | 8/9 |
| Kuehn et al. (2020) | RCT | Full-programme | Adults | 12 | 66* | 100, 0 | 20 | Yes | DERS | 10/13 |
| Barnicot & Crawford (2018) | Effectiveness | Full-programme | Adults | 12 | 58 | 72, 28 | 47 | Yes | DERS | 7/9 |
| Goodman et al. (2014) | Effectiveness | Full-programme | Adults | 12 | 11 | 82, 18 | 23 | No | DERS | 6/9 |
| Kells et al. (2020) | Effectiveness | Full-programme | Adults | 6 | 100 | 71, 29 | 49 | No | DERS | 5/9 |
| McMain et al. (2017) | RCT | Skills | Adults | 5 | 42 | 83, 17 | 31 | Yes | BSL, DERS | 9/13 |
| McMain et al. (2009) | RCT | Full-programme | Adults | 12 | 90 | 90, 10 | 38 | Yes | EQ-5D | 11/13 |
| McMain et al. (2022) | RCT | Full-programme | Adults | 12 | 240* | 79, 21 | 30 | Yes | BSL, EQ-5D | 10/13 |
| Heerebrand et al. (2021) | Effectiveness | Skills | Adults | 5 | 114 | 92, 8 | 27 | No | BSL | 7/9 |
| Rizvi et al. (2017) | Effectiveness | Full-programme | Adults | 6 | 50 | 80, 20 | 32 | Yes | BSL, DERS | 8/9 |
| Sinnaeve et al. (2018) | RCT | Full-programme | Adults | 12 | 42 | 95, 5 | 37 | Yes | EQ-5D | 8/13 |
| Mehlum et al. (2014) | RCT | Full-programme | Adolescents | 5 | 39 | 87, 13 | 26 | Yes | BSL | 11/13 |
| Gillespie et al. (2019) | Effectiveness | Full-programme | Adolescents | 6 | 152* | 85, 15 | 22 | No | BSL | 6/9 |
| Berk et al. (2018) | Effectiveness | Full-programme | Adolescents | 6 | 24 | 92, 8 | 8 | Yes | DERS | 7/9 |
Note. ITT = intention-to-treat; JBI = Joanna Briggs Institute.
⁎
Studies with two different samples (experimental + control) that received DBT intervention.