Table 2.
Participant's characteristics.
| Author, year | Age |
Gender |
||||||
|---|---|---|---|---|---|---|---|---|
| EG |
CG |
EG |
CG |
|||||
| Mean ± SD (years) | Age range (years) | Mean ± SD (years) | Age range (years) | Male (n) | Female (n) | Male (n) | Female (n) | |
| Ghoreishian et al., 2009 [7] | NR | 18–24 | NR | 18–24 | 7 | 9 | 7 | 9 |
| Joshi et al., 2011 [19] | NR | 20–32 | NR | 20–32 | 11 | 19 | 11 | 19 |
| Oladega et al., 2018 [1] | 27.2 (6.9) | NR | 27.2 (6.9) | NR | NR | NR | NR | NR |
| Setiya et al., 2014 [6] | NR | NR | NR | NR | NR | NR | NR | NR |
| Rewainy et al., 2015 [12] | 24 | 18–30 | 24 | 18–30 | 6 | 4 | 6 | 4 |
| Al-Moraissi, 2011 [20] | 21.3 (1.2) | 18–24 | 22.2 (1.5) | 18–24 | 6 | 4 | 5 | 5 |
| Jafaou and Brad 2018 [21] | NR | 17–29 | NR | 17–29 | 8 | 17 | 8 | 17 |
| Heshmah and Choker, 2021 [22] | NR | NR | NR | NR | NR | NR | NR | NR |
EG: experimental group; CG: control group; SD: standard deviation; NR: Not reported.