Invariance study of an adolescent survey-based smoking-related cognitions scale: examination across Hispanic and
Laura MacPherson1, Mark G Myers
1Joint Doctoral Program in Clinical Psychology, University of California, San Diego and San Diego State University, San Diego, CA, USA. lamacphe@ucsd.edu
Background:
Large-scale surveys frequently assess tobacco-related cognitions, however, few studies have examined the psychometric properties and cultural invariance of such measures.
Methods:
The present study examined the factor structure of a dichotomous 8-item tobacco-related beliefs scale administered as part of the state-wide California Tobacco Survey. It was expected that scale factor structure would be invariant across the non-Hispanic white (N = 1960) and English-speaking Mexican-Americans (N = 593), but would differ for Spanish-speaking Mexican-Americans (N = 455). Invariance was also examined across gender within each group.
Results:
A single factor solution was identified and confirmed within each group. Factorial invariance analyses revealed differences across the three groups as well as across gender among the Mexican-American groups.
Conclusions:
Findings underscore the importance of examining the psychometric properties of scales employed to assess tobacco-related cognitions across cultural and gender groups.
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