Journal article

ASSESSING SLEEP DURING PREGNANCY A Study Across Two Time Points Examining the Pittsburgh Sleep Quality Index and Associations with Depressive Symptoms

Helen Skouteris, Eleanor H Wertheim, Carmela Germano, Susan J Paxton, Jeannette Milgrom

WOMENS HEALTH ISSUES | ELSEVIER SCIENCE INC | Published : 2009

Abstract

BACKGROUND AND PURPOSE: Sleep quality seems to be an antecedent to depressive symptoms during pregnancy. We sought to 1) examine the psychometrics of the Pittsburgh Sleep Quality Index (PSQI) in pregnancy; 2) examine whether sleep quality predicted increases in depressive symptoms; and 3) compare PSQI scores across 3 or 2 levels of depressive symptoms. METHODS: Each of the 252 participants completed the Beck Depression Inventory (short form) and a sleep quality measure at mid and late pregnancy. RESULTS: PSQI total scores showed good internal consistency and construct validity. An improved model of the internal structure of the PSQI in pregnancy was found with 1 factor labeled Sleep Efficien..

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