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%