Skip to main content
. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Addict Behav. 2021 Jul 1;122:107037. doi: 10.1016/j.addbeh.2021.107037

Table 2.

IRRs for covariates and predictors of cigarettes smoked in past week between baseline and week 6 (n=109)

Cigarettes smoked in past week, baseline and week 6
Variables Poisson IRR (95% CI) p-value
Covariates
 Age 1.01 (1.00, 1.02) .031
 Male 0.90 (0.73, 1.11) .331
 Latinx 1.09 (0.857, 1.38) .494
 Income above 200% FPL 1.10 (0.892, 1.35) .381
 Education above high school 1.05 (0.858, 1.29) .627
Focal Effects
 Cigarette dependence 1.02 (1.01, 1,02) <.001
 Baseline cotinine 1.01 (0.96, 1.06) .645
 JUUL pods used during study 1.01 (1.00, 1.01) .033
 Time 0.11 (0.08, 0.17) <.001
 Time × Cigarette dependence 1.03 (1.01, 1.05) .004
 Time × Cotinine 1.18 (1.03, 1.37) .020
 Time × JUUL pods used 0.94 (0.91, 0.96) <.001

Note: Interactive effects and associated simple slopes are demonstrated in Figure 1.