Fatiha Karam, Anick Bérard, Odile Sheehy, Marie-Claude Huneau, Gerald Briggs, Christina Chambers, Adrienne Einarson, Diana Johnson, Kelly Kao, Gideon Koren, Brigitte Martin, Janine E. Polifka, Sara H. Riordan, Mark Roth, Sharon Voyer Lavigne, Lori Wolfe
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.
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