TABLE 3

Effects of Intervention Programs on Quit Rate by Intervention Group, With Risk Ratios, for Each Included Trial

SizeQuit Rate Intervention, %Quit Rate Control, %Risk Ratio (CI)
ALL1.34 (1.05,1.71)
Abdullah et al18 (2005)9521572.07 (1.40,3.06)
Chan et al19 (2005)80833.00 (0.33,27.63)
Curry et al20 (2003)3031472.07 (1.02,4.23)
Eriksen et al21 (1996)443030.14 (0.02,1.16)
Greenberg et al22(1994)933130.30 (0.08,1.08)
Hovell et al23 (2002)204890.88 (0.35,2.18)
Hovell et al24 (2009)1501753.16 (1.08,9.26)
Hughes et al25 (1991)951381.53 (0.46,5.08)
Kallio et al26 (2006)106220200.99 (0.78,1.27)
Krieger et al27 (2005)27484721.16 (1.00,1.34)
Ralston and Roohi28 (2008)421453.00 (0.34,26.56)
Severson et al29 (1997)2901551.13 (0.73,1.76)
Vineis et al30 (1993)101512111.11 (0.70,1.75)
Wahlgren et al31 (1997)912145.57 (0.72,43.22)
Wilson et al32 (2011)51916111.51 (0.86,2.63)
Woodward et al13 (1987)184622.70 (0.29,25.04)
Yilmaz et al33 (2006)37524129.43 ([4.07,213.01)
Zakarian et al34 (2004)15010130.76 (0.29,2.00)