Table 1.
General characteristics of selected 14 studies.
| Variables | Categories | N (%) |
|---|---|---|
| Publication Year |
2013∼2015 2016∼2019 |
1 (7.1) 13(92.9) |
| Research Designs |
Randomized controlled trials Nonrandomized controlled trials Survey |
10(71.4) 3(21.4) 1 (7.1) |
| Intervention Group |
The general adult population Psychological clients Employees Students Nurses Soldiers |
3(21.4) 3(21.4) 2(14.3) 3(21.4) 2(14.3) 1 (7.1) |
| Intervention Duration |
below 4 weeks 8 weeks 12 weeks 24 weeks |
9 (64.3) 3 (21.4) 1 (7.1) 1 (7.1) |