Reliability and psychometric properties of the Greek translation of the State-Trait Anxiety Inventory form Y: Preliminary data

doi:10.1186/1744-859X-5-2

Annals of General Psychiatry

Volume 5

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Fountoulakis KN
Papadopoulou M
Kleanthous S
Papadopoulou A
Bizeli V
Nimatoudis I
Iacovides A
Kaprinis GS

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Fountoulakis KN
Papadopoulou M
Kleanthous S
Papadopoulou A
Bizeli V
Nimatoudis I
Iacovides A
Kaprinis GS
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Primary research

Reliability and psychometric properties of the Greek translation of the State-Trait Anxiety Inventory form Y: Preliminary data

Konstantinos N Fountoulakis , Marina Papadopoulou , Soula Kleanthous , Anna Papadopoulou , Vasiliki Bizeli , Ioannis Nimatoudis , Apostolos Iacovides and George S Kaprinis

3^rdDepartment of Psychiatry, Aristotle University of Thessaloniki, Greece

author email corresponding author email

Annals of General Psychiatry 2006, 5:2doi:10.1186/1744-859X-5-2


Published:	31 January 2006

Abstract

Background

The State-Trait Anxiety Inventory form Y is a brief self-rating scale for the assessment of state and trait anxiety. The aim of the current preliminary study was to assess the psychometric properties of its Greek translation.

Materials and methods

121 healthy volunteers 27.22 ± 10.61 years old, and 22 depressed patients 29.48 ± 9.28 years old entered the study. In 20 of them the instrument was re-applied 1–2 days later. Translation and Back Translation was made. The clinical diagnosis was reached with the SCAN v.2.0 and the IPDE. The Symptoms Rating Scale for Depression and Anxiety (SRSDA) and the EPQ were applied for cross-validation purposes. The Statistical Analysis included the Pearson Correlation Coefficient and the calculation of Cronbach's alpha.

Results

The State score for healthy subjects was 34.30 ± 10.79 and the Trait score was 36.07 ± 10.47. The respected scores for the depressed patients were 56.22 ± 8.86 and 53.83 ± 10.87. Both State and Trait scores followed the normal distribution in control subjects. Cronbach's alpha was 0.93 for the State and 0.92 for the Trait subscale. The Pearson Correlation Coefficient between State and Trait subscales was 0.79. Both subscales correlated fairly with the anxiety subscale of the SRSDA. Test-retest reliability was excellent, with Pearson coefficient being between 0.75 and 0.98 for individual items and equal to 0.96 for State and 0.98 for Trait.

Conclusion

The current study provided preliminary evidence concerning the reliability and the validity of the Greek translation of the STAI-form Y. Its properties are generally similar to those reported in the international literature, but further research is necessary.