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. 2021 Dec 1;375:e065217. doi: 10.1136/bmj-2021-065217

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Fig 4 — Time to lapse or relapse to first cigarette (log rank test, P<0.001) by percentage abstinent. Financial incentives group: median 5 (interquartile range 3-6), control group: median 4 (3-6). Shaded areas represent 95% confidence intervals