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Paper Information

Journal:   ARCHIVES OF IRANIAN MEDICINE   MAY 2014 , Volume 17 , Number 5; Page(s) 361 To 365.
 
Paper: 

RELIABILITY AND VALIDITY OF PERSIAN VERSION OF PERCEIVED STRESS SCALE (PSS-10) IN ADULTS WITH ASTHMA

 
DOI: 

0141705/AIM.0010

 
Author(s):  MAROUFIZADEH SAMAN, ZAREIYAN ARMIN*, SIGARI NASEH
 
* DEPARTMENT OF COMMUNITY & PUBLIC HEALTH NURSING, FACULTY OF NURSING, AJA UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
Abstract: 

BACKGROUND: Asthma is a major public health problem in the world, and recent findings suggest that stress influences asthma and asthma morbidity. The 10-item Perceived Stress Scale (PSS-10) is one of the most frequently used instruments to measure psychological stress. This study was conducted to evaluate the psychometric properties of the Persian versions of the PSS-10 in adults with asthma.
METHODS: In this descriptive cross-sectional study as a methodological research, 106 asthmatic patients referring to several clinics in Sanandaj (western Iran) were selected through convenience sampling. The PSS-10 and the 21-item Depression anxiety and stress scale (DASS-21) were administrated to all patients. Cronbach’s alpha was used to evaluate reliability of PSS-10, and confirmatory factor analysis (CFA) and convergent validity were used to evaluate its validity.
RESULTS: The results of confirmatory factor analysis indicated that a two-factor structure of PSS-10 provided a good fit to data. The Cronbach’s alpha coefficients for negative factor, positive factor and total score (PSS-10) were 0.86, 0.83, and 0.90, respectively. The PSS-10 was positively correlated with the DASS-21 and its subscales, indicating an acceptable convergent validity. Female asthmatic patients scored higher on PSS-10 in comparison with male asthmatic patients.
CONCLUSION: The Persian version of PSS-10 is a valid and reliable instrument to measure perceived stress in adults with asthma.

 
Keyword(s): ASTHMA, PERCEIVED STRESS SCALE, RELIABILITY, VALIDITY
 
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