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The Jiaxing Birth Cohort in China

The Jiaxing Birth Cohort in China

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03217656
Acronym
JBC
Enrollment
500000
Registered
2017-07-14
Start date
1999-01-31
Completion date
2029-01-31
Last updated
2018-01-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anemia, Childhood Obesity, Feeding Behavior, Pregnancy Complications, Pregnancy; Hypertension

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.

Interventions

OTHERNo intervention

Sponsors

Jiaxing Maternity and Child Health Care Hospital
CollaboratorOTHER
Qingdao University
CollaboratorOTHER
Westlake University
CollaboratorOTHER
Zhejiang University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
Yes

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

Design outcomes

Primary

MeasureTime frameDescription
overweight and obesityUp to 6-7 years old for these childrenBMI-z-score was calculated from height and weight. BMI-z-score\>1 was defined as overweight/obesity

Countries

China

Contacts

Primary ContactDuo Li, PhD
duoli@zju.edu.cn
Backup ContactJu-Sheng Zheng, PhD
zhengjusheng@wias.org.cn

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026