Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 3 Parameter Estimates from GEE modeling of cigarette and alternative product use during multiple product sampling and single-product trial phases.

From: US smokers' reactions to a brief trial of oral nicotine products

  Cigarettes Alternative Products
  B SE Wald χ 2 (df = 1) p B SE Wald χ 2 (df = 1) p
MULTIPLE PRODUCT SAMPLING PHASE
Intercept 1.966 0.354 30.911 <.001 0.682 0.486 1.969 0.161
Day -0.012 0.019 0.436 0.509 -0.015 0.022 0.43 0.512
Female (ref = Male) 0.046 0.104 0.193 0.66 -0.029 0.185 0.024 0.877
Less than HS (ref = More than HS) 0.044 0.117 0.143 0.705 -0.454 0.177 6.611 0.01
HS graduate (ref = More than HS) -0.08 0.149 0.287 0.592 -0.204 0.188 1.173 0.279
40 and under (ref = 55 and older) -0.186 0.186 1.003 0.317 0.036 0.193 0.034 0.854
41-54 (ref = 55 and older) -0.169 0.14 1.457 0.227 0.139 0.203 0.468 0.494
Camel Snus (ref = Stonewall) -0.135 0.187 0.524 0.469 0.489 0.228 4.608 0.032
Marlboro Snus (ref = Stonewall) -0.154 0.145 1.131 0.288 0.418 0.234 3.19 0.074
Commit (ref = Stonewall) -0.274 0.158 3.006 0.083 0.515 0.216 5.685 0.017
HSI 0.211 0.049 18.591 <.001 0.022 0.071 0.092 0.762
SINGLE PRODUCT TRIAL PHASE
Intercept 1.762 0.471 13.987 <.001 0.414 0.526 0.62 0.431
Day -0.039 0.014 8.186 0.004 -0.006 0.023 0.08 0.777
Female (ref = Male) -0.128 0.145 0.787 0.375 -0.084 0.177 0.227 0.634
Less than HS (ref = More than HS) 0.344 0.139 6.307 0.012 -0.568 0.181 9.855 0.002
HS graduate (ref = More than HS) -0.071 0.131 0.295 0.587 -0.026 0.206 0.016 0.898
40 and under (ref = 55 and older) -0.443 0.192 5.31 0.021 -0.283 0.266 1.134 0.287
41-54 (ref = 55 and older) -0.264 0.154 3.299 0.069 0.044 0.216 0.041 0.839
Camel Snus (ref = Stonewall) 0.16 0.203 0.617 0.432 0.091 0.283 0.102 0.749
Marlboro Snus (ref = Stonewall) -0.18 0.171 1.109 0.292 0.358 0.312 1.312 0.252
Commit (ref = Stonewall) 0.007 0.19 0.001 0.97 0.49 0.263 3.467 0.063
HSI 0.245 0.061 16.386 <.001 0.234 0.081 8.265 0.004
  1. NOTE: HSI = Heavy Smoking Index
  2. Parameter estimates in bold indicate statistically significant effects.