Table 3. Demographic data.
| Author | Participants | Gender (M:F) | Age (M ± SD) |
|---|---|---|---|
| Adachi et al. (2003)4 |
n=58 | ||
| 4ST=26 | 15:11 | 27.7±10.5yrs | |
| 2ST-2G=18 | 12:6 | 25.6±8.9yrs | |
| Carter & Edinger (1999)16 |
n=106 | Not reported | Not reported |
| 4ST=33 | |||
| 2ST-2G=35 | |||
| Gobbi et al. (2005)17 |
n=115 | 31:19 | Mean: 31.0yrs |
| 4ST=50 | 26:21 | Mean: 28.8yrs | |
| 2ST-2G=47 | |||
| Lipscomb et al. (1982)13 |
n= 51 | 45:6 | |
| 4ST=26 | Mean: 20.3yrs | ||
| 2ST-2G=25 | Mean: 19.5yrs(15–45yrs) | ||
| Nakamura et al. (2002)9 |
n= 74 | ||
| 4ST=49 | 28:21 | Mean: 24.3yrs | |
| 2ST-2G=25 | 6:19 | Mean: 25.7yrs | |
| Segawa et al.7 | n=62 | Mean: 20.8yrs(14–41yrs) | |
| 4ST=32 | 19:13 | ||
| 2ST-2G=30 | 15:15 | ||
| Tashiro et al. (2003)12 |
n=90 | 51:39 | |
| 4ST=49 | 30:19 | 24.5±7.7yrs | |
| 2ST-2G=36 | 19:17 | 24.8±6.4yrs |