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Chunk #27 — Results — Item Response Theory analysis — Measurement non-invariance

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Alcohol craving and the dimensionality of alcohol disorders.
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We tested whether craving evidences measurement non-invariance by gender, age, and race/ethnicity. Controlling for the indirect effect of race/ethnicity on craving that is mediated through the latent alcohol use disorder continuum, blacks are less likely to endorse craving compared to Whites (Z=−1.35, SE=0.52, p=0.009); no indirect effects were significant comparing other racial/ethnic groups to Whites. Compared to those 65+, individuals 45–64 are more likely to endorse craving (Z=0.91, SE=0.39, p=0.02); no indirect effects were significant comparing other age groups to those 65+. There were no significant indirect effects of gender (p=0.23).