Table 5

Multiple linear model for relative change in weight 1 year after smoking cessation

Personal characteristicsMultiple model (n=765)Model with multiple imputation (n=772)
Beta (95% CI)P valuesBeta (95% CI)P values
Weight change in third month (%)0.134 (−0.037 to 0.304)0.1240.141 (−0.027 to 0.31)0.101
Female0.804 (0.039 to 1.57)0.0390.781 (0.018 to 1.544)0.045
Age at baseline visit (years)−0.005 (−0.034 to 0.024)0.736−0.006 (−0.034 to 0.023)0.682
BMI (kg/m2)−0.209 (−0.3 to −0.118)0.000−0.202 (−0.292 to −0.111)<0.001
BDI score0.021 (-0.037 to 0.078)0.467
FTCD score0.004 (−0.211 to 0.218)0.9740 (−0.214 to 0.214)1.000
Cigarettes per day0.033 (−0.018 to 0.084)0.2070.03 (−0.021 to 0.081)0.243
Age at regular smoking initiation (years)0.05 (−0.046 to0.145)0.3070.045 (−0.05 to 0.14)0.356
Bupropion*0.011 (−1.337 to 1.359)0.987−0.049 (−1.406 to 1.309)0.944
Varenicline*−0.384 (−1.267 to 0.5)0.395−0.349 (−1.225 to 0.527)0.435
Nicotine replacement therapy*`0.010−1.068 (−1.879 to −0.257)0.010
Physical activity
 Regularly (more times weekly)−1.015 (−2.072 to 0.042)0.060−0.957 (−2.01 to 0.095)0.075
 Weekly−0.137 (−1.185 to 0.911)0.798−0.1 (−1.146 to 0.946)0.851
 Irregularly0.402 (−0.657 to 1.462)0.4570.466 (−0.586 to 1.519)0.385
 Neverref.ref.
 Intercept8.411 (4.993 to 11.828)<0.0018.208 (4.795 to 11.621)<0.001
  • *Using of specified pharmacotherapy (in monotherapy or in combination with other therapy).

  • BDI, Beck Depression Inventory; BMI, body mass index; FTCD, Fagerström Test of Cigarette Dependence.