Table 2.
Summary of the studies included in the analysis (n=31).
| Characteristics | Value | |
| Type of study, n (%) | ||
|
|
RCTa | 22 (71) |
|
|
Pilot study | 5 (16) |
|
|
Nonrandomized trial | 2 (6) |
|
|
Cost-effectiveness analysis from RCT | 1 (3) |
|
|
Qualitative study | 1 (3) |
| Location of study, by continent, n (%) | ||
|
|
Europe | 12 (39) |
|
|
North America | 8 (26) |
|
|
Australia (including New Zealand) | 8 (26) |
|
|
Asia | 3 (10) |
| Publication year, n (%) | ||
|
|
1990-2000 | 1 (3) |
|
|
2001-2010 | 6 (19) |
|
|
2011-2018 | 24 (77) |
| Median sample size (IQR) | 98 (52.5-146) | |
| Median follow-up time (months; IQR) | 6 (3-6) | |
| Median intervention duration (months; IQR) | 3 (1.6-4.4) | |
aRCT: randomized controlled trial.