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Table 1 Adjusted odds ratios (OR) with corresponding 95% confidence intervals (95%CI) of smoking outcomes at the 6-month follow-up (quitting smoking, improving the motivational stage of change for smoking cessation, reducing the number of cigarettes per day) byh motivational stage of change

From: The Pap smear screening as an occasion for smoking cessation and physical activity counselling: effectiveness of the SPRINT randomized controlled trial

All centers, by motivational stage of change *   Quitting smoking Improving the motivational stage of change for smoking cessation Reducing the number of cigarettes per day
Ntot ° N OR § 95%CI N OR § 95%CI N OR § 95%CI
Precontemplation
 control arm 113 9 1*   28 1*   27 1*  
 experimental arms 230 7 0.3 0.1, 0.9 72 1.4 0.8,2.4 68 1.3 0.8,2.2
Contemplation
 control arm 129 6 1*   32 1*   31 1*  
 experimental arms 230 15 1.3 0.5, 3.5 53 1.0 0.6, 1.6 86 1.8 1.1, 3.0
Preparation
 control arm 117 9 1*   -- -- -- 42 1*  
 experimental arms 243 36 2.1 1.0, 4.6 -- -- -- 77 0.8 0.5, 1.3
Overall **
 control arm 371 25 1*   60 1*   104 1*  
 experimental arms 729 61 1.2 0.8, 2.0 125 1.1 0.8, 1.6 241 1.2 0.9, 1.7
  1. ORs were calculated considering the two collapsed intervention arms with respect to the control arm.
  2. * multilevel analysis.
  3. § adjusted for age.
  4. ° Ntot: participants in the collapsed experimental arms and in the control arm.
  5. ** the number of participants reported in the Overall line do not always corresponds to the sum of the number of participants in the three stages of change, because of some missing values.