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Validation of the Spanish version of the Perceived Stress Questionnaire
C Sanz-Carrillo1, J García-Campayo, A Rubio
1Department of Psychiatry, San Jorge Hospital, Huesca, Spain.
Objective:
To validate in Spanish the Perceived Stress Questionnaire (PSQ), a questionnaire to assess stress for research purposes in psychosomatic patients.
Method:
The test was administered to a healthy population (N=174) of nursing students and health workers and to a clinical sample (N=80) of patients attending a psychiatric outpatient consultation.
Results:
Concurrent validity: General and Recent PSQ scores correlated high with trait anxiety (r=.65), moderate with depression (r=.46) and psychological disturbance (r=.51) and poor with state anxiety (r=.22). Predictive validity: PSQ scores were higher in "psychiatric cases" than in "psychiatric noncases" (P<.01), and correlated highly with somatic symptoms of psychological origin (r=.62) in the clinical subsample. Internal consistency was 0.9 for the General and 0.87 for the Recent PSQ. Test-retest reliability of the General PSQ was 0.80.
Discussion:
The Spanish version of PSQ presents good psychometric properties and it seems to be a valuable instrument for psychosomatic researchers.