Late-onset smokers: How many, and associations with health behaviours and socioeconomic status

Author:

Tjora Tore12,Hetland Jørn3,Aarø Leif Edvard24,Wold Bente2,Øverland Simon12

Affiliation:

1. Uni Health, Bergen, Norway

2. Department of Health Promotion and Development, Faculty of Psychology, University of Bergen, Norway

3. Department of Psychosocial Science, Faculty of Psychology, University of Bergen, Norway

4. Division of Mental Health, Norwegian Institute of Public Health, Oslo, Norway

Abstract

Aims: Adolescence is considered a critical phase for smoking initiation, while smoking initiation in adulthood has received less attention. In the present study, we investigated smoking initiation in early adulthood, with an additional focus on how socioeconomic status (SES) relates to late-onset smoking. Methods: The Norwegian Longitudinal Health Behaviour Study followed a representative sample of adolescents ( n=530) from age 13 (7th grade) to age 30 (years 1990–2007) through 9 waves of data collection. Information was collected on the adolescents’ gender, smoking, alcohol use, cannabis use, physical activity, and SES. Those reporting to be smokers at age 30, but not at age 18, were defined as “late-onset smokers”. Results: At age 30, 21% were daily smokers, of which 45% met our definition of late-onset smoking. Participants with a low SES had a higher odds ratio for late-onset smoking (OR=3.42) and a lower odds ratio for quitting smoking (OR=0.40) after adjusting for confounders. Conclusions: Early adulthood is an additional critical phase for daily smoking initiation. The clear and consistent negative association between SES and late-onset smoking, as well as the positive association between SES and smoking cessation, contribute to the association between SES and smoking in the general adult population.

Publisher

SAGE Publications

Subject

Public Health, Environmental and Occupational Health,General Medicine

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