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. Author manuscript; available in PMC: 2023 Apr 1.
Published in final edited form as: Prev Med. 2022 Mar 4;157:107008. doi: 10.1016/j.ypmed.2022.107008

Table 2.

Smoking cessation outcomes by follow-up time pointa,b.

Variable No. (%)
OR (95% CI) p value
Overall (N = 550) QuitGuide (n = 288) iCanQuit (n = 262)

12-months outcomes
 30-d PPA 130/492 (26%) 64/261 (25%) 66/231 (29%) 1.19 (0.80, 1.79) 0.391
 7-d PPA 162/492 (33%) 80/261 (31%) 82/231 (35%) 1.22 (0.83, 1.78) 0.308
 Prolonged abstinencec 49/398 (12%) 21/213 (10%) 28/185 (15%) 1.66 (0.90, 3.06) 0.105
 30-d PPA of all tobacco productsd 111/492 (23%) 50/261 (19%) 61/231 (26%) 1.47 (0.96, 2.27) 0.079
6-months outcomes
 30-d PPA 103/488 (21%) 46/256 (18%) 57/232 (25%) 1.47 (0.94, 2.28) 0.089
 7-d PPA 151/488 (31%) 70/256 (27%) 81/232 (35%) 1.41 (0.96, 2.08) 0.081
3-months outcomes
 30-d PPA 55/479 (11%) 22/253 (9%) 33/226 (15%) 1.83 (1.03, 3.25) 0.041
 7-d PPA 100/479 (21%) 42/253 (17%) 58/226 (26%) 1.79 (1.14, 2.81) 0.012

Abbreviations: OR, odds ratio; PPA, point prevalence abstinence.

a

All models include the following covariates: Education (high school diploma or less), heavy smoking (>20 cigs/day), non-White race, Hispanic or Latino ethnicity and depression symptoms (CESD-20 ≥16).

b

All outcomes are complete case (i.e., exclusion of participants lost to followup) was specified a priori as the primary outcome, except where noted. Missing as smoking quit rates are presented in Table A.1 of the Appendix A.

c

Defined as no smoking since 3-months post-randomization, using selfreported data of last cigarette.

d

Including e-cigarettes and smokeless tobacco.