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Differentiating between girls and boys in transition through smoking stages: A sex-specific growth mixture modeling

Background: Smoking is a complex process, and adolescents pass through a number of different stages on the way to become smokers and it is sex-dependent. Methods: In this cohort study, the illustrative samples of 10th-grade students (2241 girls and 2956 boys) were assessed using a multistage samplin...

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Detalles Bibliográficos
Autores principales: Jafari, Nasrin, MohammadpourAsl, Asghar, Asghari-Jafarabadi, Mohammad
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Tabriz University of Medical Sciences 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8233669/
https://www.ncbi.nlm.nih.gov/pubmed/34195044
http://dx.doi.org/10.34172/hpp.2021.25
Descripción
Sumario:Background: Smoking is a complex process, and adolescents pass through a number of different stages on the way to become smokers and it is sex-dependent. Methods: In this cohort study, the illustrative samples of 10th-grade students (2241 girls and 2956 boys) were assessed using a multistage sampling in Tabriz, Iran. The main variables of the study were smoking status, intention to start smoking, and smoking during the past week/ month, which were collected using a valid and reliable instrument. Sex-specific GMMs were fitted to assess the transition through smoking stages. Results: GMMs lead in a 2-class optimal model: "Occasional/Intending smokers" and "Non-smokers". GMMs indicated that girls had lower levels of smoking status, intention to start smoking, smoking during the past week/month in both classes (significant and negative intercepts: -8.5 to -0.6). In addition, transitions toward higher levels of smoking status, intention to start smoking, smoking during the past week/month were observed in both classes for boys, but in the second class for girls (significant and positive slopes: 0.2 to 2.7). Conclusion: This study highlighted the importance of stopping the initiation and avoiding transition through smoking stages with special sex-specific planning in the future.