Author and year | Integrity | Consistency | Contamination | Unit of allocation | Unit of analysis | Intention To Treat (ITT) |
RCTs | ||||||
Blank and Smithkline | 1 | 3 | 6 | Individual | Individual | 2 |
Boden-Albala et al,34 2015 | 1 | 3 | 6 | Individual | Individual | 1 |
Dracup et al,15 2009 | 4 | 3 | 6 | Individual | Individual | 2 |
Luepker et al,31 2000 | 4 | 3 | 6 | Community | Both | NA |
Meischke et al,32 1997 | 4 | 2 | 6 | Individual | Individual | 3 |
Mooney et al,10 2014 | 4 | 1 | 6 | Individual | Individual | 1 |
Müller-Nordhorn et al,33 2009 | 4 | 3 | 6 | Community | Community | NA |
Controlled before and after studies | ||||||
Morgenstern et al,35 2002 | 4 | 3 | 6 | Community | Individual | 1 |
Rowley et al,36 1982 | 4 | 3 | 6 | Practice | Practice | 3 |
Xin-gang et al,37 2013 | 4 | 3 | 6 | Community | Individual | 3 |
Uncontrolled before and after studies/ITS | ||||||
Addo et al,66 2012 | 4 | 3 | 6 | Community | Individual | NA |
Alberts et al,59 1992 | 4 | 3 | 6 | Individual | Individual | NA |
Barsan et al,60 1994 | 4 | 3 | 6 | Community | Individual | NA |
Bett et al,45 2005 | 4 | 3 | 6 | Community | Individual | NA |
Bett et al,46 1993 | 3 | 3 | 6 | Community | Individual | NA |
Black and Brown,62 1973 | 4 | 3 | 6 | Community | Individual | NA |
Breuer et al,54 1999 | 4 | 3 | 6 | Community | Individual | NA |
Camerlingo et al,64 2014 | 4 | 2 | 6 | Community | Individual | NA |
Diercks et al,56 2010 | 4 | 3 | 6 | Community | Individual | NA |
Gaspoz et al,48 1996 | 4 | 3 | 6 | Community | Individual | NA |
Herlitz et al,55 1992 | 2 | 3 | 6 | Community | Individual | NA |
Ho et al,1 1989 | 4 | 3 | 6 | Community | Individual | NA |
Hodgson et al,38 2007 | 4 | 3 | 6 | Community | Individual | NA |
Luiz et al,49 2001 | 4 | 3 | 6 | Community | Individual | NA |
Maeso-Madronero et al,52 2000 | 4 | 3 | 6 | Community | Individual | 1 |
Mellon et al,40 2014 | 4 | 2 | 6 | Community | Individual | NA |
Mitic and Perkins,57 1984 | 4 | 3 | 6 | Community | Individual | NA |
Moses et al,67 1991 | 4 | 3 | 6 | Community | Individual | NA |
Naegeli et al,63 2011 | 4 | 3 | 6 | Community | Individual | NA |
Nishijima et al,65 2016 | 4 | 2 | 6 | Community | Individual | NA |
Rau et al,53 2005 | 4 | 3 | 6 | Community | Individual | 1 |
Rustige et al,41 1992 | 4 | 3 | 6 | Community | Individual | NA |
Thomassen et al,50 1999 | 4 | 3 | 6 | Community | Individual | NA |
Waters et al,47 1983 | 4 | 3 | 6 | Community | Individual | NA |
Wolters et al,51 2015 | 4 | 3 | 6 | Community | Individual | NA |
Wright et al,58 2001 | 4 | 3 | 6 | Community | Individual | NA |
Post-test only studies (n=2) | ||||||
Bray et al,44 2015 | 2 | 2 | 6 | Community | Individual | NA |
Månsson et al,43 1999 | 4 | 3 | 6 | Community | Individual | NA |
Case–control study (n=1) | ||||||
Tummala and Farshid,42 2015 | 2 | 2 | 6 | Community | Individual | NA |
ITS, interrupted time series; ITT, intention to treat; NA, not available.