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. 2015 Jul 11;17(8):960–967. doi: 10.1093/ntr/ntv006

Table 2.

Monthly Trends in Nicotine Replacement Therapy (NRT) and Varencline-Filled Prescriptions Before and After In-Person or Videoconference Educational Outreach With Audit and Feedback for Prescribersa

NRT Coefficients Standard error t p value
Pre-intervention level (intercept) 6.0803 0.74966 8.11 <.0001
Pre-intervention monthly trend 0.0441 0.10186 0.43 .6681
Level of change immediately after intervention −0.3034 1.10478 −0.27 .7853
Trend change after the intervention 0.5326 0.18736 2.84 .0075
Intervention type (in-person vs. videoconference) −0.7682 1.06018 −0.72 .4737
Difference in pre-intervention monthly trend between intervention groups 0.0720 0.14405 0.5 .6203
Difference in level of change immediately after intervention between intervention groups 2.6205 1.56239 1.68 .1027
Difference in trend change after the intervention between videoconference and in-person groups 0.6220 0.26496 2.35 .0249
R 2 = 0.69*
Varenicline Coefficients Standard error t p value
Pre-intervention level (intercept) 2.28333 0.16616 13.74 <.0001
Pre-intervention monthly trend −0.08077 0.02258 −3.58 .0023
Level of change after intervention −0.17521 0.24488 −0.72 .484
Trend change after the intervention 0.09077 0.04153 2.19 .0431
R 2 = 0.68*

Note. aReference group includes recipients at centers receiving videoconference intervention. *p < .05