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The tobacco dependence dimension in Colombia
Jose Posada-Villa1, Hui G Cheng, Silvia S Martins
1Centro Médico de la Sabana, Universidad Colegio Mayor de Cundinamarca, Bogota, Colombia.
Summary
This study supports a single dimension for tobacco dependence syndrome (TDS) in Colombian smokers. The findings validate a Spanish-language TDS module for public health interventions targeting new smokers.
Area of Science:
- Epidemiology
- Psychiatry
- Public Health
Background:
- Tobacco dependence syndrome (TDS) is a complex condition with multiple clinical features (CFs).
- Understanding the dimensionality of TDS is crucial for developing effective interventions.
- Previous research has explored various CFs associated with tobacco dependence.
Purpose of the Study:
- To examine the population distribution and dimensionality of hypothesized inter-correlated CFs of TDS.
- To validate a Spanish-language TDS module for use in a Colombian sample.
- To provide evidence for a unidimensional construct of tobacco dependence.
Main Methods:
- Epidemiological study utilizing data from a national survey in Colombia (World Mental Health Survey Initiative).
- Interviews conducted with 4,426 smokers; 237 recent-onset smokers (within 5 years) were selected.
- Confirmatory factor analysis (CFA) was performed on six remaining CFs after removing two infrequent ones.
Main Results:
- Confirmatory factor analysis supported a unidimensional model of tobacco dependence.
- Discrimination estimates (D1) ranged from 1.1 to 6.0.
- Difficulty estimates (D2) ranged from 1.1 to 2.2, supporting the unidimensional construct.
Conclusions:
- The study provides evidentiary support for a unidimensional tobacco dependence construct.
- The Spanish-language TDS module is a potentially valuable tool for public health outreach.
- This module can aid in evaluating early intervention programs for new tobacco users.
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