Table 2.
General Characteristics of the Included Studies (N=12)
| Variables | Categories | n (%) |
|---|---|---|
| Participants | Above 3rd grade | 7 (58.3) |
| 1st to 3rd grade | 2 (16.8) | |
| All grades | 1 (8.3) | |
| 4th to 6th grade, including teachers | 1 (8.3) | |
| Teachers | 1 (8.3) | |
| Publication year | 2000~2010 | 5 (41.7) |
| 2011~2015 | 3 (25.0) | |
| 2016~2018 (June) | 4 (33.3) | |
| Major field of researchers | Nursing | 5 (41.7) |
| Child welfare | 3 (25.0) | |
| Education | 3 (25.0) | |
| Others | 1 (8.3) | |
| Research design | Descriptive study | 7 (58.3) |
| Nonequivalent control group pre-posttest design | 3 (25.0) | |
| One group pre-post test design | 2 (16.7) | |
| Sample size | Below 100 | 5 (41.7) |
| 101~300 | 3 (25.0) | |
| 301~500 | 1 (8.3) | |
| 501~1,000 | 2 (16.7) | |
| Above 1,001 | 1 (8.3) | |
| Ethical considerations | Yes | 7 (58.3) |
| NA | 5 (41.7) |
NA=Not applicable.