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A Mobile Application for Early Detection and Symptoms Trajectories of Postpartum Depression Using Ecological Momentary Assessment (EMA)

A Mobile Application for Early Detection and Symptoms Trajectories of Postpartum Depression Using Ecological Momentary Assessment (EMA)

Recruiting
18 years and older
Female
Phase N/A

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Overview

This pilot study will recruit 120 perinatal pregnant women and follow them up for 6 months. Both momentary and retrospective assessments of emotional well-being and psychosocial factors will be conducted on a mobile application. We aim to understand the symptom trajectories and provide evidence for effective individualized interventions.

Description

The proposed study addresses the knowledge gaps regarding the validity of mobile-based ecological momentary assessment (EMA) for dynamic patterns of mood symptoms and associated factors in women during pregnancy through postnatal period. The investigators hypothesize that the validity of mobile-based EMA is appropriate in women during pregnancy through postnatal period and that participants will exhibit at least two trajectories of depressive symptoms with high and low severity over a six-month period from the third trimester to three months postpartum. This prospective study using single group design will recruit 120 pregnant women for a six-month period. Clinical and self-rating assessments of mood symptoms and lifestyle information will be conducted on a mobile application. There will be a total of six periods EMA assessments and seven retrospective assessments. Six EMA questions for mood, sleep, exercise, physical well-being, and environmental context will be administered three times daily for five consecutive days, and the Edinburgh Postnatal depression Scale will be assessed at baseline and each month during the six-month period. Descriptive and inferential statistics will be used to examine the feasibility and validity of mobile-based EMA. Hierarchical cluster analysis and multiple regression model will be used to identify trajectories of depressive symptoms, and associated factors.

Eligibility

Inclusion Criteria:

  • Pregnant women in their first and second trimesters.
  • Aged 18 years and older.
  • Able to read and understand Chinese
  • Own a smartphone with iOS or Android system.

Exclusion Criteria:

  • Psychiatric diagnosis (e.g., schizophrenia, intellectual disability or mood disorders), comorbid brain conditions (history of epilepsy, stroke, or brain tumors), or learning disabilities.

Study details
    Postpartum Depression (PPD)

NCT07382336

The Hong Kong Polytechnic University

14 May 2026

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