Life sciences · Observational Study
ClinicalTrials.gov · October 8, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07866053). This is a study registration, not published results. Lead sponsor: University of Hawaii. Recruitment status: NOT_YET_RECRUITING. Study type: OBSERVATIONAL. Enrollment: 100 participants (ESTIMATED). Conditions: Postpartum Depression (PPD), Postpartum Anxiety. Primary outcome measures: Clinically Significant Depression Score Assessed by EPDS , Anytime between baseline and 6 months postpartum; Alternate Metric for Clinically Significant Depression Score Assessed by EPDS , Anytime between baseline and 6 months postpartum; Clinically Significant Anxiety Score Assessed by GAD-7 , Anytime between baseline and 6 months postpartum; Alternate Metric for Clinically Significant Anxiety Score Assessed by GAD-7 , Anytime between baseline and 6 months postpartum. Brief summary: The goal of this observational study is to examine whether passively collected wearable data can be used to predict onset and severity of postpartum depression and anxiety symptoms. The main questions it aims to answer are: 1. When do depression and anxiety symptoms emerge, worsen, and improve across the first 6 months postpartum? 2. Can machine learning/artificial intelligence models prospectively predict clinically significant depression symptoms using Apple Watch metrics? Women who have given birth within the past 2 months and who live in Hawai'i will be eligible for the study. Participants will wear an Apple Watch and answer weekly online survey questions until they reach 6 months postpartum. The study is designed to be fully remote to maximize accessibility across the Hawaiian Islands.