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Fig. 1 | BMC Public Health

Fig. 1

From: Randomised controlled trial testing effectiveness of feedback about lung age or exhaled CO combined with very brief advice for smoking cessation compared to very brief advice alone in North Macedonia: findings from the Breathe Well group

Fig. 1

CONSORT diagram for the flow of participants. According to the Russel standard [25], participants who did not attend but were contactable remained in the study and were counted as smokers. Participants that were not contactable (i.e. moved with no forwarding contact details, unobtainable phone number, had died) were excluded from the denominator and not available for analysis. *Practice excluded due to protocol deviation

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BMC Public Health

ISSN: 1471-2458

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