Table 3 Quality assessment of the included RCTs
Study | Randomization | Sequence generation | Allocation concealment | Blinding of participants | Blinding of assessors | Selective reporting |
|---|---|---|---|---|---|---|
Larocque 2006 [37] | Done | Done | Done | Done | Done | No |
Ndibazza 2010 [38] | Done | Done | Done | Done | Done | No |
Torlesse 2001 [39] | Done | Done | Not clear | Not clear | Not clear | Yes |
Haque 2010 [28] | Done | Not clear | Not clear | Done | Not clear | No |
Albonico 2002 [14] | Done | Done | Done | Done | Done | No |
Taylor 2001 [21] | Done | Not clear | Not clear | Done | Done | Not clear |
Adams 1994 [13] | Done | Not clear | Not clear | Done | Not clear | No |
Beasley 1999 [25] | Done | Not computerized but done | Not clear | Not done | Done | No |
Christian 2009 [36] | Not clear | Not clear | Not clear | Not Clear | Not Clear | Not clear |
Halwindi 2011 [27] | Not clear | Not clear | Not applicable | Not applicable | Not clear | No |
Olds 1999 [29] | Done | Not clear | Done | Done | Done | Not clear |
Rohner 2010 [19] | Done | Not clear | Done | Done | Done | No |
Bhargava 2003 [15] | Done | Not clear | Not clear | Not clear | Not clear | No |
Palupi 1997 [30] | Done | Not clear | Not clear | Not clear | Not clear | No |
Dossa 2001 [26] | Done | Not clear | Not clear | Done | Done | Yes |
Hathirat 1992 [24] | Done | Not clear | Not clear | Done | Done | No |
Sungthong 2002 [20] | Done | Done | Done | Done | Done | No |