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. 2011 Dec 16;11:939. doi: 10.1186/1471-2458-11-939

Table 2.

Question one: summary of multivariate findings for relation between radio and television TRPs, weekly calls to the quitline, and web program registrations

Variable Quitline Call Volume Web Program Registrants

Standardized Beta Partial Eta2 Sign. Standardized Beta Partial Eta2 Sign.
Week (linear trend in data) -0.24 0.04 ** -- -- ns
Gas Price (proxy for economic stress) -0.31 0.07 ** -0.39 0.12 ***
Statewide Smoke-Free Law - Legislative Session -- -- ns -- -- ns
Great American Smokeout 0.14 0.03 * 0.18 0.05 **
New Year's Resolutions -- -- ns 0.30 0.14 ***
TV/Radio Weekly Broadcast TRPs 0.20 0.06 ** 0.28 0.12 ***

*p < 0.10; **p < 0.05; ***p < .001