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Table 3 Point prevalence and continuous abstinence at the 12-month follow-up, by treatment intensity.

From: Comparison of a high and a low intensity smoking cessation intervention in a dentistry setting in Sweden – a randomized trial

  Point prevalence abstinence* Continuous abstinence*
  % (n/N) p-value OR (95% CI) % (n/N) p-value OR (95% CI)
Intention to treat approach – all non-responders treated as smokers:
LIT (ref.) 16 (24/150) .11 1.0 9 (13/150) .02 1.0
HIT 23 (35/150)   1.6 (0.9–2.8) 18 (27/150)   2.3 (1.1–4.7)
Comparing people who answered the follow-up questions on abstinence:
LIT (ref.) 20 (24/121) .20 1.0 11 (13/121) .03 1.0
HIT 27 (35/131)   1.5 (0.8–2.7) 21 (27/131)   2.2 (1.1–4.4)
  1. First analyzed as "intention to treat" then comparing those answering the follow-up questions on abstinence.
  2. * Point prevalence abstinence = not smoked at all in the seven days prior to follow-up. Continuous abstinence = not smoked at all in the 6 months (≥ 183 days) prior to follow-up.