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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05663762
Other study ID # CovPreg2022
Secondary ID
Status Completed
Phase
First received
Last updated
Start date June 1, 2022
Est. completion date February 1, 2024

Study information

Verified date March 2024
Source McMaster University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Pregnant people have a higher risk of severe COVID-19 disease. Pregnant people have been disproportionately impacted by COVID-19 infection control policies, which have resulted in higher rates of intimate partner violence, mental health distress, employment and income loss. This project examines the impact of accumulated individual health decisions, describing how perinatal healthcare use and outcomes changed during the COVID-19 pandemic. Objectives, questions and hypotheses This research study has two objectives: 1. Describe differences between three groups of pregnant persons classified by the date they gave birth: 01/01/2019-03/31/2019 (2019 birth group), 01/01/2021-03/31/2021 (2021 birth group), and 01/01/2022-03/31/2022 (2022 birth group) pregnancy cohorts in Ontario and British Columbia relative to key outcomes and quality of care indicators related to vaccination, perinatal care, and mental health. Examine the differential impacts on racialized and low-income pregnant people. (Quantitative strand) 2. Understand how pregnant people's perceptions of COVID-19 risk and pandemic circumstances influenced their decision-making about key elements of pregnancy, including vaccination, perinatal care, social support and mental health. (Qualitative strand) Research questions and hypotheses have been operationalized according to our three themes: Theme 1: Vaccination Theme 2: Perinatal Care Theme 3: Mental Health and Social Support


Description:

This project examines individual health decisions that occur within these structural environments, describing their accumulated impact on key pregnancy outcomes and care indicators related to three themes: vaccination, perinatal care, social supports and mental health. The decisions made during pregnancy have longitudinal impacts on the life of the pregnant person, future child, and family.(1) Given evidence of the particularly difficult situations faced by pregnant people, and the importance of these health decisions, it is important to understand how pandemic circumstances have shaped health decision-making. Understanding how and why pregnant people are making health decisions allows for better clinical and social support as the pandemic endures, and will inform future policy planning. This project is a cross-provincial, parallel mixed-methods study, with thematic data integration at the design and interpretation stages. Ontario and British Columbia were chosen as the two provinces of study because they both experienced a significant impact from COVID-19, both have access to comprehensive administrative health data, and a large number of live births each year. This study was funded in late February 2022. The quantitative cohort creation plans and data access requests were finalized in late Fall 2022. Qualitative data collection was piloted in Summer 2022, data collection was complete in both provinces August 2023. Study completion is anticipated for February 2024.


Recruitment information / eligibility

Status Completed
Enrollment 136500
Est. completion date February 1, 2024
Est. primary completion date January 1, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group N/A and older
Eligibility Inclusion Criteria: - live, in-hospital birth during the investigators' timeframes of interest - valid birth date or death date in administrative records - be of female sex - been eligible for Ontario Health Insurance Plan in Ontario or Medical Services Plan in British Columbia for the entirety of their pregnancy period Exclusion Criteria: - birth outside of a hospital - stillbirth

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Canada McMaster University Hamilton Ontario
Canada University of British Columbia Vancouver British Columbia

Sponsors (3)

Lead Sponsor Collaborator
McMaster University Canadian Institutes of Health Research (CIHR), University of British Columbia

Country where clinical trial is conducted

Canada, 

References & Publications (2)

Rockliffe L, Peters S, Heazell AEP, Smith DM. Factors influencing health behaviour change during pregnancy: a systematic review and meta-synthesis. Health Psychol Rev. 2021 Dec;15(4):613-632. doi: 10.1080/17437199.2021.1938632. Epub 2021 Jun 29. — View Citation

Vanstone M, Correia RH, Howard M, Darling E, Bayrampour H, Carruthers A, Davis A, Hadid D, Hetherington E, Jones A, Kandasamy S, Kuyvenhoven C, Liauw J, McDonald SD, Mniszak C, Molinaro ML, Pahwa M, Patel T, Sadik M, Sanya N, Shen K, Greyson D. How do perceptions of Covid-19 risk impact pregnancy-related health decisions? A convergent parallel mixed-methods study protocol. PLoS One. 2023 Aug 10;18(8):e0288952. doi: 10.1371/journal.pone.0288952. eCollection 2023. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Vaccination Were rates of Tdap vaccination different between 2019, 2021, and 2022 birth groups? Outcomes: Tdap (Ontario only) and COVID-19 vaccination rates Specified groups from Jan 1 2019 to March 31 2022 (Tdap); Specified groups from Jan 1 2022 to March 31 2022 (Covid-19)
Primary Perinatal Care Were rates of in-person perinatal care different between 2019, 2021, and 2022 birth groups? Outcomes: Gestational diabetes screening, post-partum length of stay Specified groups from Jan 1 2019 to March 31 2022
Primary Mental Health and Social Support Were the rates of clinical diagnosis for new depression, anxiety, and adjustment disorders during pregnancy different between 2019, 2021, and 2022 birth groups? Specified groups from Jan 1 2019 to March 31 2022
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