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Table 4 Predictors of smoking cessation (ex-smokers versus smokers).

From: The role of gender in a smoking cessation intervention: a cluster randomized clinical trial

 

Unadjusted OR (CI 95%)

Adjusted OR (CI 95%)

p-value

Fixed effects

   

gender

   

   men

1

1

 

   women

0.9 (0.7-1.2)

0.9 (0.7-1.2)

0.696

group

   

   control

1

1

 

   intervention

1.9 (1.4-2.6)

1.7 (1.2-2.4)

0.001

age (years)

1.0 (1.0-1.0)

1.0 (1.0-1.0)

0.011

alcohol intake

0.9 (0.9-1.0)

0.9 (0.9-1.0)

0.003

no. cig/day

1.0 (1.0-1.0)

1.0 (1.0-1.0)

0.003

Fagerström test scores

0.9 (0.9-1.0)

0.9 (0.8-0.9)

<0.001

Richmond test scores

1.2 (1.1-1.2)

1.1 (1.0-1.2)

0.002

confidence in quitting smoking

1.1 (1.1-1.2)

1.1 (1.0-1.1)

0.091

readiness to quit smoking

1.2 (1.1-1.2)

1.1 (1.0-1.1)

0.207

Random effects parameter

Estimate (95%CI)

  

Variance (BCU) (2 level)

0.2 (0.1-0.7)

  
  1. Logistic mixed-effects model. ISTAPS study.
  2. Final model were adjusted for significant and/or confounder variables
  3. Likelihood ratio test vs logistic regression p = 0.0137