Table 2: Method of scoring of articles based on the critical appraisal tool.
| Author |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Score |
| Spence et al. (1990) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Sattler et al. (1999) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Bhasin et al. (2000) |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
67-100% |
| Smith et al. (2001) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Shevitz et al. (2005) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Terry et al. (2006) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Mutimura et al. (2008) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |
| Cade et al. (2010) |
1 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
67-100% |