The Jiaxing Birth Cohort in China

Anemia Clinical Trial

— JBC  

Official title:

The Jiaxing Birth Cohort in China

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT03217656
• Other study ID #: ZJU_JBC2013013
• Status: Recruiting
• Phase: N/A
• First received: June 18, 2017
• Last updated: January 18, 2018
• Start date: January 1999
• Est. completion date: January 2029

Study information

• Verified date: January 2018
• Source: Zhejiang University
• Contact: Duo Li, PhD
• Email: duoli[@]zju.edu.cn
• Is FDA regulated: No
• Study type: Observational

Clinical Trial 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.

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 500000
• Est. completion date: January 2029
• Est. primary completion date: January 2019
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: N/A and older

Eligibility

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

Related Conditions & MeSH terms

• Anemia
• Childhood Obesity
• Feeding Behavior
• Hypertension, Pregnancy-Induced
• Pediatric Obesity
• Pregnancy Complications
• Pregnancy; Hypertension

Intervention

Other:
• No intervention

Locations

Country	Name	City	State
China	Zhejiang University	Hangzhou	Zhejiang

Sponsors (4)

Lead Sponsor	Collaborator
Zhejiang University	Jiaxing Maternity and Child Health Care Hospital, Qingdao University, Westlake University

Country where clinical trial is conducted

China, 

References & Publications (1)

Zheng JS, Liu H, Jiang J, Huang T, Wang F, Guan Y, Li D. Cohort Profile: The Jiaxing Birth Cohort in China. Int J Epidemiol. 2017 Oct 1;46(5):1382-1382g. doi: 10.1093/ije/dyw203. — View Citation

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	overweight and obesity	BMI-z-score was calculated from height and weight. BMI-z-score>1 was defined as overweight/obesity	Up to 6-7 years old for these children