Table 3

Methodological quality of the included studies

Item*

Quality score %


Reference

1

2

3

4

5

6

7

8


Boyette et al., 1997

?

+

+

-

0.17

0.17

-

-

29


Brassington et al., 2002

?

+

?

-

0

0

+

+

38


Burton et al., 1999

?

-

+

-

0.45

0.45

+

+

49


Cheung et al., 2007

?

+

?

-

0

0

+

-

25


Costanzo and Walker 2008

+

+

?

-

0

0

+

+

50


Cluster 1**

Garcia and King, 1991

?

?

?

-

0.69

0.62

+

+

41


King et al., 1997

?

?

?

-

0.6

0.6

+

+

40


Oka et al., 1995

-

?

?

-

0.33

0.33

+

-

21


Oman and King, 1998

-

?

?

-

0.5

0.5

+

+

38


Cluster 2**

McAuley et al., 2003

?

+

?

-

0

0

+

+

38


McAuley et al., 2007

?

+

?

-

0.7

0.8

+

+

56


Dubbert et al., 2002

?

+

?

-

0.14

0.14

+

+

41


Emery et al., 1992

?

+

?

-

0.25

0.25

-

-

19


Finkelstein et al., 2008

?

+

?

+

1

1

+

-

63


Hirvensalo et al., 2000

?

?

?

-

0.25

0.25

+

?

19


Jancey et al., 2007

-

-

-

-

0.71

0.43

+

+

39


Kahana et al., 2005

?

?

?

-

0.50

0.50

+

+

38


Li et al., 2001

?

-

-

-

0

0

+

+

25


Li et al., 2005

?

+

?

-

0.43

0.29

+

+

47


Lucidi et al., 2006

+

+

?

-

0

0

+

+

50


Michael et al., 2010§

?

+

+

-

1

1

+

+

75


Morey et al., 2003

-

+

?

-

0.29

0.29

+

-

32


Nitz and Choy, 2007

?

+

?

-

0.09

0.09

-

-

15


Oman and King, 2000

?

+

?

-

0

0

+

-

25


Rhodes et al., 2001

?

+

?

-

0

0

+

-

25


Sarkisian et al., 2007

?

+

?

+

0

0

+

+

50


Shaw and Spokane, 2008

+

?

?

-

0.40

0.40

+

+

48


Shimada et al., 2007

+

-

?

-

0.67

0.67

+

+

54


Stiggelbout et al., 2006

+

+

?

-

0

0

+

+

50


Touvier et al., 2010

?

?

?

-

0.67

1

+

+

46


Tu et al., 2004

?

?

?

-

0.56

0.56

+

+

39


Wilcox and King, 2004

?

+

?

-

0

0

+

-

25


Williams and Lord, 1995

?

-

?

-

0.12

0.12

+

-

16


Yasunaga et al., 2008§

?

+

+

+

1

1

+

+

88


* Item number corresponds with item description in Table 1

** Cluster of multiple manuscripts reporting on the same original data set

§ Manuscripts with a percentage of 70% or more were considered high quality

Koeneman et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:142   doi:10.1186/1479-5868-8-142

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