National Nurses Health Cohort Study (NNHS): a Web-based Ambispective Cohort Study in China
1 other identifier
observational
2,000
0 countries
N/A
Brief Summary
The purpose of the current study was to build an ambispective cohort study of female nurses, based on existing physical examination and nurse work schedule data and a web-based questionnaire system, focusing on the effects of occupational, environmental, and lifestyle risk factors on the health of Chinese women.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2021
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 30, 2020
CompletedFirst Posted
Study publicly available on registry
October 1, 2020
CompletedStudy Start
First participant enrolled
January 15, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 30, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
December 30, 2022
CompletedDecember 28, 2020
September 1, 2020
12 months
September 30, 2020
December 23, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
psychophysical health related events
psychophysical health related events will be collected by web-based questionnaire and hospital information system.
From 2010 to 2022
mental health
National Aeronautics and Space Administration Task Load Index was used to evaluate the mental workload every year.
From 2020 to 2022
Secondary Outcomes (2)
sleep quality
From 2020 to 2022
social support
From 2020 to 2022
Study Arms (1)
Nurses working in PUTH
Participants will be recruited from Peking University Third Hospital through cluster sampling. Female registered nurses, licensed practical nurses and/or midwives with informed consent are included in this study. The exclusion criteria are student nurses and training nurses.
Interventions
It is an observational study, and no intervention will be provided.
Eligibility Criteria
Participants will be recruited from Peking University Third Hospital through cluster sampling.
You may qualify if:
- Female registered nurses, licensed practical nurses and/or midwives with informed consent are included in this study
You may not qualify if:
- student nurses
- training nurses
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (4)
Yu M, Chen H, Pei M, Zhan S, Li B. Bidirectional Association of Tinnitus and Psychological Distress Among Nurses at One-year Follow-up: A Propensity Score-matched Cohort Study From China. Asian Nurs Res (Korean Soc Nurs Sci). 2025 Dec;19(5):418-425. doi: 10.1016/j.anr.2025.06.003. Epub 2025 Sep 2.
PMID: 40907657DERIVEDChe Y, Tang R, Zhang H, Yang M, Geng R, Zhuo L, Wang P, Hu X, Zhou Y, Wang P, Zhan S, Li B. Development of a prediction model for predicting the prevalence of nonalcoholic fatty liver disease in Chinese nurses: the first-year follow data of a web-based ambispective cohort study. BMC Gastroenterol. 2024 Feb 14;24(1):72. doi: 10.1186/s12876-024-03121-1.
PMID: 38355421DERIVEDZhang H, Wang J, Zhang S, Tong S, Hu J, Che Y, Zhuo L, Wang P, Geng R, Zhou Y, Wang P, Zhan S, Li B. Relationship between night shift and sleep problems, risk of metabolic abnormalities of nurses: a 2 years follow-up retrospective analysis in the National Nurse Health Study (NNHS). Int Arch Occup Environ Health. 2023 Dec;96(10):1361-1371. doi: 10.1007/s00420-023-02014-2. Epub 2023 Oct 24.
PMID: 37874403DERIVEDZhuo L, Zhang H, Geng R, Wang P, Zeng L, Che Y, Wang P, Li P, Huang T, Li B, Zhan S. Protocol for the National Nurse Health Study (NNHS): a web-based ambispective cohort study. BMJ Open. 2021 Aug 19;11(8):e049958. doi: 10.1136/bmjopen-2021-049958.
PMID: 34413106DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Baohua Li
Peking University Third Hospital
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- OTHER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 30, 2020
First Posted
October 1, 2020
Study Start
January 15, 2021
Primary Completion
December 30, 2021
Study Completion
December 30, 2022
Last Updated
December 28, 2020
Record last verified: 2020-09