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  • Επιστημονικές Δημοσιεύσεις Μελών ΠΘ (ΕΔΠΘ)
  • Δημοσιεύσεις σε περιοδικά, συνέδρια, κεφάλαια βιβλίων κλπ.
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Validation of a Greek version of PSS-14; A global measure of perceived stress

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Author
Katsarou, A.; Panagiotakos, D.; Zafeiropoulou, A.; Vryonis, M.; Ioannis, Skoularigis; Filippos, Tryposkiadis; Papageorgiou, C.
Date
2012
Keyword
Greece
PSS-14
Stress
Validation
adult
article
female
human
male
mental stress
middle aged
perception
psychometry
questionnaire
reproducibility
socioeconomics
validation study
Humans
Psychometrics
Questionnaires
Reproducibility of Results
Socioeconomic Factors
Stress, Psychological
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Abstract
Aim: To evaluate validity of the Greek version of a global measure of perceived stress PSS-14 (Perceived Stress Scale - 14 item). Materials and Methods: The original PSS.14 (theoretical range 0.56) was translated into Greek and then back-translated. One hundred men and women (39±10 years old, 40 men) participated in the validation process. Firstly, participants completed the Greek PSS-14 and, then they were interviewed by a psychologist specializing in stress management. Cronbach's alpha (a) evaluated internal consistency of the measurement, whereas Kendall's tau-b and Bland & Altman methods assessed consistency with the clinical evaluation. Exploratory and Confirmatory Factor analyses were conducted to reveal hidden factors within the data and to confirm the two-dimensional character of the scale. Results: Mean (SD) PSS-14 score was 25(7.9). Strong internal consistency (Cronbach's a = 0.847) as well as moderate-to-good concordance between clinical assessment and PSS-14 (Kendall's tau-b = 0.43, p<0.01) were observed. Two factors were extracted. Factor one explained 34.7% of variability and was heavily laden by positive items, and factor two that explained 10.6% of the variability by negative items. Confirmatory factor analysis revealed that the model with 2 factors had chi-square equal to 241.23 (p<0.001), absolute fix indexes were good (i.e. GFI=0.733, AGFI=0.529), and incremental fix indexes were also adequate (i.e. NFI=0.89 and CFI=0.92). Conclusion: The developed Greek version of PSS-14 seems to be a valid instrument for the assessment of perceived stress in the Greek adult population living in urban areas; a finding that supports its local use in research settings as an evaluation tool measuring perceived stress, mainly as a risk factor but without diagnostic properties.
URI
http://hdl.handle.net/11615/29248
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  • Δημοσιεύσεις σε περιοδικά, συνέδρια, κεφάλαια βιβλίων κλπ. [9728]
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Η δικτυακή πύλη της Ευρωπαϊκής Ένωσης
Ψηφιακή Ελλάδα
ΕΣΠΑ 2007-2013