The Jiaxing Birth Cohort in China

Recruiting

• Conditions: Pregnancy; Hypertension; Feeding Behavior; Childhood Obesity; Anemia; Pregnancy Complications
• Interventions: Other: No intervention

• Registration Number: NCT03217656
• Lead Sponsor: Zhejiang University

Brief Summary

The Jiaxing Birth Cohort (JBC) is the largest prospective cohort study to explore prenatal risk factors, early life feeding practice and growth pattern/ adiposity in Chinese children.Between 1999 and 2013, 338 413 mother-child pairs were recruited in Jiaxing area in south-east China.Children of the recruited women were followed up at 1-2, 3, 6, 9 and 12 months of age, and subsequently followed up every 6 months to 36 months of age (toddler stage), and every year to 6-7 years of age before they went to school (pre-school stage). Follow-up rate was 70.8% at the toddler stage and 68.9% at the pre-school stage up to June 2013.

Detailed Description

Not available

Study Timeline

• Study Start: 1999-01
• Study First Submitted: 2017-06-18
• Study First Submitted QC: 2017-07-11
• Study First Posted: 2017-07-14
• Status Verified: 2018-01
• Last Update Submitted: 2018-01-18
• Last Update Posted: 2018-01-23
• Primary Completion: 2019-01
• Study Completion: 2029-01

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 500000

Inclusion Criteria

1. Pregnant women came to clinic visit at one of the local hospitals during pregnancy at Jiaxing area
2. Pregnant women were followed up during pregnancy and their children were born alive at local hospital or clinics

Exclusion Criteria

1. Those who did not want to participant
2. The infant was dead at the birth
3. Those pregnant mothers who dropped out during follow-up at pregnancy or moved out of the Jiaxing area

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Mother-child birth cohort	No intervention	-

Primary Outcome Measures

Name	Time	Method
overweight and obesity	Up to 6-7 years old for these children	BMI-z-score was calculated from height and weight. BMI-z-score\>1 was defined as overweight/obesity

Trial Locations

Locations (1)

Zhejiang University; 🇨🇳 Hangzhou, Zhejiang, China