The Jiaxing Birth Cohort in China
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Childhood Obesity
- Sponsor
- Zhejiang University
- Enrollment
- 500000
- Locations
- 1
- Primary Endpoint
- overweight and obesity
- Status
- Recruiting
- Last Updated
- 8 years ago
Overview
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.
Investigators
Duo li
Professor
Zhejiang University
Eligibility Criteria
Inclusion Criteria
- •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
Exclusion Criteria
- •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
Outcomes
Primary Outcomes
overweight and obesity
Time Frame: 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