First author
|
Year
|
Random sample or whole population
|
Unbiased sampling frame (i.e. census data)
|
Adequate sample size (>300 subjects)
|
Measures were the standard
|
Outcomes measured by unbiased assessors
|
Adequate response rate (70%) and refusers described
|
Confidence intervals and subgroup analysis
|
Study subjects descirbed
|
Quality risk rating/8
|
---|
Bethell
|
2011
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
8
|
NSCH
|
2011/2012
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
8
|
CHIS
|
2003
|
1
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
7
|
CHIS
|
2005
|
1
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
7
|
CHIS
|
2009
|
1
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
7
|
CHIS
|
2007
|
1
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
7
|
Ibironke
|
2011
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
1
|
7
|
Zuckerman
|
2009
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
1
|
7
|
Glascoe
|
2013
|
1
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
6
|
Stevens
|
2006
|
1
|
1
|
1
|
0
|
1
|
0
|
1
|
1
|
6
|
Ng
|
2010
|
1
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
6
|
Restall
|
2009
|
1
|
1
|
0
|
1
|
1
|
0
|
1
|
1
|
6
|
VSEHQ
|
2008
|
1
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
6
|
Davies
|
2009
|
1
|
1
|
0
|
1
|
1
|
1
|
0
|
0
|
5
|
Glascoe
|
1999
|
0
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
5
|
Glascoe
|
1997
|
0
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
5
|
Rose Jacobs
|
2008
|
0
|
0
|
1
|
1
|
1
|
1
|
0
|
1
|
5
|
Glascoe
|
2010
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
4
|
Glascoe
|
2010
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
4
|
Kosht-Fedyshin
|
2006
|
1
|
0
|
0
|
1
|
1
|
0
|
0
|
1
|
4
|
Limbos
|
2011
|
0
|
0
|
1
|
1
|
1
|
1
|
0
|
1
|
5
|
Oreto
|
2010
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
4
|
Tough
|
2008
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
4
|
Armstrong
|
2008
|
0
|
1
|
0
|
1
| |
0
|
0
|
1
|
3
|
Campos
|
2010
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
3
|
Coghlan
|
2003
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
1
|
3
|
Kiing
|
2012
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
3
|
McGookin
|
2011
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
3
|
Palarca
|
2008
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
3
|
Roux
|
2011
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
3
|
Theeranate
|
2005
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
1
|
3
|
Wake
|
2005
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
3
|
Gustawan
|
2010
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
1
|
3
|
Chuan
|
2012
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
2
|
Mahli
|
2002
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
2
|
Matibag
|
2008
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
2
|
Sices
|
2009
|
0
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
2
|
- *Quality rating system as per quality rating tool developed by Public Health Agency in Canada [19].