The Jiaxing Birth Cohort in China

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
AgeNot listed
SponsorZhejiang University

About this trial

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.

Eligibility criteria

Qualifiers

Pregnant women came to clinic visit at one of the local hospitals during pregnancy at Jiaxing area

Pregnant women were followed up during pregnancy and their children were born alive at local hospital or clinics

Disqualifiers

Those who did not want to participant

The infant was dead at the birth

Those pregnant mothers who dropped out during follow-up at pregnancy or moved out of the Jiaxing area

Trial design

Treatments tested in this trial

  • No intervention

Treatment groups

500,000 Participants
are divided into 1 treatment group

Sponsors and collaborators

Zhejiang University

Lead sponsor

Jiaxing Maternity and Child Health Care Hospital

Collaborator

Qingdao University

Collaborator

Westlake University

Collaborator