Identifying Insomnia in Early Pregnancy: Validation of the Insomnia Symptoms Questionnaire (ISQ) in Pregnant Women

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
Michele L OkunMartica Hall

Abstract

Although a substantial number of pregnant women report symptoms of insomnia, few studies have used a validated instrument to determine the prevalence in early gestation. Identification of insomnia in pregnancy is vital given the strong connection between insomnia and the incidence of depression, cardiovascular disease, or immune dysregulation. The goal of this paper is to provide additional psychometric evaluation and validation of the Insomnia Symptom Questionnaire (ISQ) and to establish prevalence rates of insomnia among a cohort of pregnant women during early gestation. The ISQ was evaluated in 143 pregnant women at 12 weeks gestation. The internal consistency and criterion validity of the dichotomized ISQ were compared to traditional measures of sleep from sleep diaries, actigraphy, and the Pittsburgh Sleep Quality Index using indices of sensitivity, specificity, positive and negative predictive value (PPV, NPV), and likelihood ratio (LR) tests. The ISQ identified 12.6% of the sample as meeting a case definition of insomnia, consistent with established diagnostic criteria. Good reliability was established with Cronbach α = 0.86. The ISQ had high specificity (most > 85%), but sensitivity, PPV, NPV, and LRs varied according t...Continue Reading

Citations

Aug 11, 2017·Obstetrics and Gynecology·Jennifer N FelderAric A Prather
Aug 12, 2016·Obstetric Medicine·Cristina A Reichner
Apr 2, 2020·Behavioral Sleep Medicine·Rannveig S OsnesJohn Olav Roaldset
Nov 4, 2020·Journal of Sleep Research·Ivan D SedovLianne M Tomfohr-Madsen
Nov 19, 2019·Social and Personality Psychology Compass·Michele L Okun
Jul 27, 2021·Zeitschrift für Geburtshilfe und Neonatologie·Nezaket KadıoğluSevki Celen
Aug 7, 2021·Clinics in Chest Medicine·Lauren TobiasChristine H J Won

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