Sánchez López et al20 | 2010 | 2007 | Focus groups | | Spain | 19 | 100 |
|
Carlsen and Norheim17 | 2008 | 2007 | Semi-structured group interviews | | Norway | 27 | 100 |
|
Yew and Reid16 | 2008 | 2001 | Telephone interviews | Green62 | US | 10 | (10/16) = 63 |
| | | | Hyde63 | | | |
| | | | Greenhalgh64 | | | |
|
Hannes et al15 | 2005 | 2002–2003 | Focus groups | | Belgium | 31 | 100 |
|
Tracy et al14 | 2003 | 2002 | Semi-structured interviews | | Canada | 15 | (15/23) = 65 |
|
Freeman and Sweeney34 | 2001 | Unknown | Balint style groups | | UK | 19 | 100 |
|
Cranney et al13 | 2001 | Unknown | Semi-structured interviews | | UK | 34 | 9/76 practices = 12 |
|
Oswald and Bateman19 | 2000 | Unknown | Interviews | | UK | 6 | 100 |
|
Mayer and Piterman18 | 1999 | 1996–1997 | Focus groups | | Australia | 27 | |
|
Kahveci and Meads32 | 2009 | 2006–2007 | Survey | McColl24 | Turkey | 138 | 73 |
|
Barghouti et al31 | 2009 | 2007 | Survey | Al-Almaie65 | Jordan | 141 | 71 |
| | | | Al-Ansary66 | | | |
| | | | McColl24 | | | |
|
Trevena et al30 | 2007 | 2003 | Telephone interviews | Degner67 | Australia | 107 | (107/155) = 69 |
|
Amin et al29 | 2006 | 2004 | Survey | Fedorowicz68 | Bahrain | 81 | (81/124) = 65 |
|
Upton and Upton28 | 2006 | Unknown | Survey | Upton69 | UK | 302 | 60 |
|
Chan and Teng21 | 2005 | 2003 | Survey | McColl24 | Singapore | 40 | 40 |
|
Butzlaff et al23 | 2004 | 2001 | Randomised controlled trial | | Germany | 72 | 73 |
|
McKenna et al27 | 2004 | 2000–2001 | Survey | Funk70 | UK | 356 | 65 (overall) |
| | | | Nylenna71 | | | |
|
Taylor et al26 | 2002 | 2000 | Survey and interviews | | Australia | 89 | 86 |
|
Cotton and Sullivan25 | 1999 | 1995–1997 | Survey | | UK | 228 | 74 |
|
McColl et al24 | 1998 | 1997 | Survey | | UK | 302 | (302/452) = 67 |
|
Gupta et al22 | 1997 | 1993–1995 | Survey | | Australia | 286 | 77 |
|
Young and Ward33 | 2001 | 1999 | Survey and interviews | McColl24 | Australia | 60 | 100 |
| | | | Young72,73 | | | |