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Table 4 Regression model, quitplan.com enrollments

From: Seizing an opportunity: increasing use of cessation services following a tobacco tax increase

Model Unstandardized coefficients Standardized coefficients t Sig.
B Std. error Beta   
(Constant) 27.428 3.094   8.866 .000
QUITPLAN Radio TRPs .220 .032 .483 6.920 .000
QUITPLAN TV TRPs .161 .033 .341 4.928 .000
Still a Problem TV TRPs .007 .028 .016 .241 .810
CDC TIPS2 GRPs .060 .085 .052 .703 .484
QCC contest period −7.544 9.195 -.058 -.820 .415
QCC registration period 25.404 8.833 .215 2.876 .005
Tax Impact Window (2 weeks) 55.892 12.585 .304 4.441 .000
  1. TRPs = Targeted Rating Points; GRPs = Gross Rating Points; QCC = QuitCash Challenge.