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Eur Addict Res. 2012;18(2):76-82. doi: 10.1159/000334410. Epub 2011 Dec 22.

Psychometric properties of the Autonomy over Tobacco Scale in German.

Author information

1
Department of Family Medicine & Community Health, University of Massachusetts Medical School, Worcester, MA 01655, USA. Robert.Wellman@umassmed.edu

Abstract

BACKGROUND/AIMS:

We investigated the psychometric properties of a German translation of the 12-item Autonomy over Tobacco Scale (AUTOS) among 1,195 eighth-grade students.

METHODS:

Data for this study were collected as part of the fourth wave of data collection of the Smokefree Class Competition intervention in the Saxony-Anhalt region of Germany. Students from the control arm of the Smokefree Class Competition study who indicated that they had ever smoked 'at least a few puffs' on a cigarette were classified as ever-smokers. They self-completed questionnaires distributed by teachers.

RESULTS:

AUTOS scores ranged from 0 to 36 with a distribution highly skewed toward lower-response categories. Inter-item correlations ranged from 0.65 to 0.89 (mean = 0.79, SD = 0.06). Composite reliability for the AUTOS was high (Ω = 0.96) and 3 lower-order factors were also reliable (withdrawal: 0.89, psychological dependence: 0.91, cue-induced cravings: 0.87). Concurrent validity was supported by strong relationships between the AUTOS and both lifetime cigarette consumption and current smoking frequency. Youths were 18 times more likely to be current smokers (95% CI = 11.9-27.2, p < 0.001) if they endorsed any AUTOS item.

CONCLUSION:

The German AUTOS is reliable and valid, and the results are consistent with the English AUTOS for use with adolescents.

PMID:
22189160
DOI:
10.1159/000334410
[Indexed for MEDLINE]

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