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. Author manuscript; available in PMC: 2019 Aug 26.
Published in final edited form as: J Smok Cessat. 2017 Nov 28;13(4):227–232. doi: 10.1017/jsc.2017.23

Figure 1.

Figure 1

Odds of participant contact by telephone at one month. Using generalised estimating equations (GEE) modelling with Week 4 as reference, the odds of a successful contact at Weeks 1, 2, and 3 were, respectively, 1.52 (95% CI = [1.18,1.96]), 1.30 (95% CI = [1.01, 1.66]), and 1.37 (95% CI = [1.07, 1.76]).