Maelstrom Research Staging | SCHeLTI_LIFE_TREE_Mothers_Control_6_weeks

SCHeLTI_LIFE_TREE_Mothers_Control_6_weeks_postpartum

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Variables -

Associated study SCHeLTI-LIFE TREE Contingency Table

Population

SCHeLTI-LIFE TREE - Mothers - Control

The population is composed of women between 20 to 42 years of age who are: registered Shanghai residents, married to a registered Shanghai resident, or non-residents but have lived in Shanghai for at least 5 years, less than 14 weeks pregnant with one child, and planning to deliver in a participating study hospital. In the control group, participants receive usual prenatal and childhood care, but no study health promotion intervention.

Selection Criteria

Sex

Women

Minimum age

Maximum age

Pregnant Women

First trimester

Newborns

Twins

Countries

China

Territory

Shanghai

Ethnic Origin

Health Status

Women are excluded from the study if they have HIV, Hepatitis B, Hepatitis C, major heart conditions, thalassemia major, cystic fibrosis, pre-existing type 1 diabetes mellitus, type 2 diabetes mellitus, or chronic medication-dependant hypertension.

Other Criteria

Participating women must be Mandarin speakers and less than 14 weeks pregnant. Women are excluded if they plan to move out participating Shanghai districts chosen for the study within five years, abuse drugs, or have multiple pregnancies.

Supplementary Information about selection criteria

Recruitment

Sources of recruitment

Specific population

Specific Population

Clinic patients

Supplementary Information

Participants are recruited from one of the 42 maternal child health units located within the four designated Shanghai districts.

Number of Participants

Number of Participants

2,250

Number of Participants with Biological Samples

2,250

Supplementary Information about selection criteria

Nonpregnant women: 900 participants
Pregnant women (< 14 weeks): 1350 participants

50% of 900 nonpregnant participants are expected to achieve a viable pregnancy within 1 year of enrolment and continue prenatal follow-up with the study.

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Data Collection Event

SCHeLTI-LIFE TREE - Mothers Control - 6 weeks postpartum

Information is collected about COVID-19 (symptoms, diagnosis, employment status), breastfeeding (Breastfeeding Self-Efficacy Scale), and hospitalization. Weight and blood pressure measurements are collected. Stool, vaginal swab, breast milk, and skin swab (areola) swab samples are collected.

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Collected Dataset / SCHeLTI_LIFE_TREE_Mothers_Control_6_weeks_postpartum

SCHeLTI_LIFE_TREE_Mothers_Control_6_weeks_postpartum

Population

SCHeLTI-LIFE TREE - Mothers - Control

Data Collection Event

SCHeLTI-LIFE TREE - Mothers Control - 6 weeks postpartum

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Variables Classifications