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No considerable long-term weight gain after smoking cessation: evidence from a prospective study
1University of Greifswald, Institute of Epidemiology and Social Medicine, Medical Faculty, Walther-Rathenau-Str. 48, D-17487 Greifswald, Germany. ujohn@uni-greifswald.de
Summary
Smoking cessation has a negligible impact on body mass index (BMI). Past heavy smoking, not quitting, is linked to BMI, suggesting targeted weight gain prevention for heavy smokers.
Area of Science:
- Public Health
- Epidemiology
- Behavioral Science
Background:
- Smoking cessation is a public health priority.
- Weight gain is a common concern following smoking cessation.
- Understanding predictors of body mass index (BMI) post-cessation is crucial for effective interventions.
Purpose of the Study:
- To analyze predictors of body mass index (BMI) in adults after smoking cessation.
- To identify factors influencing weight changes in individuals who quit smoking.
Main Methods:
- A cohort of 4075 residents aged 18-64 years in northern Germany was studied.
- Data collected via computer-aided interviews and postal questionnaires over 36 months.
- General linear models were used to analyze predictors of BMI.
Main Results:
- The number of cigarettes smoked at peak consumption significantly predicted BMI.
- Years of abstinence from smoking had a marginal effect on BMI.
- The overall contribution of smoking cessation to BMI increase was practically negligible.
Conclusions:
- Weight gain after smoking cessation is minimal and not solely predicted by quitting.
- Interventions to prevent weight gain should prioritize individuals with a history of heavy smoking.
- Focusing on past heavy smoking patterns is key for managing BMI post-cessation.