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Res Nurs Health. 2012 Aug;35(4):363-75. doi: 10.1002/nur.21482. Epub 2012 Apr 17.

Reliability and validity of the 4-item perceived stress scale among pregnant women: results from the OTIS antidepressants study.

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1
Faculty of Pharmacy, University of Montreal, Montreal, Quebec, Canada.

Abstract

We aimed to estimate the reliability of the 4-item Perceived Stress Scale (PSS) and its validity in predicting maternal depression and quality of life (QoL). Data regarding stress, depression and QoL were collected during pregnancy among a sub-sample from the Organization of Teratology Information Specialists Antidepressants in Pregnancy Cohort. The 4-item PSS demonstrated acceptable internal consistency (Cronbach's alpha coefficient = .79), alternate forms stability reliability with the 10-item PSS (Pearson correlation coefficient r = .63; p < .001), convergent validity with the Edinburgh Postnatal Depression Scale (r = .67; p < .001), and concurrent validity with the mental health component of the Short-Form-12 (r = -.62; p < .001) as a measure of QoL. The 4-item PSS is a valid and useful tool for assessing maternal stress during pregnancy.

PMID:
22511354
DOI:
10.1002/nur.21482
[Indexed for MEDLINE]
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