CClinicalTrials.gg
Status unknownNCT04572347Updated Dec 28, 2020

National Nurses Health Cohort Study (NNHS): a Web-based Ambispective Cohort Study in China

An observational study in Nurse Health, sponsored by Peking University Third Hospital. Status unknown. Open to female participants, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-12-28.

Sponsored by Peking University Third Hospital · Observational

The sponsor has not verified this record recently (last verified Sep 2020), so the status shown — last known as Not yet recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Other
Enrollment
2,000
Sex
Female
01

Study 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.

02

Conditions studied

  • Nurse Health

Keywords

  • psychophysical health
  • career development
  • stress
  • metabolic indexes
03

In context

Lead sponsor

Peking University Third Hospital is the lead sponsor of 735 studies on the registry; 262 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
Female
Accepts healthy volunteers
Yes
Sampling method
Probability sample

Study population

Participants will be recruited from Peking University Third Hospital through cluster sampling.

Inclusion criteria

  • Female registered nurses, licensed practical nurses and/or midwives with informed consent are included in this study

Exclusion criteria

Exclusion Criteria:

  • student nurses
  • training nurses
05

Study design

Observational model
Cohort
Time perspective
Other
Enrollment
2,000 participants (estimated)
Patient registry
No

Groups and cohorts

  • 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.

    Other: Observational

Interventions

  • OtherObservational

    It is an observational study, and no intervention will be provided.

06

What researchers measure

Primary outcomes

  1. psychophysical health related events

    psychophysical health related events will be collected by web-based questionnaire and hospital information system.

    Time frame: From 2010 to 2022

  2. mental health

    National Aeronautics and Space Administration Task Load Index was used to evaluate the mental workload every year.

    Time frame: From 2020 to 2022

Secondary outcomes

  1. sleep quality

    Pittsburgh sleep quality index was used to evaluate the sleep quality every year.

    Time frame: From 2020 to 2022

  2. social support

    Self developed perceived social support scale was used to evaluate the level of social support every year.

    Time frame: From 2020 to 2022

07

Study locations

No study locations are listed for this record.

08

References and documents

Publications

  • Zhuo 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. PubMed 34413106 ↗

Individual participant data

Plan to share: Undecided

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 28, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04572347
Lead sponsor
Peking University Third Hospital
Responsible party
Sponsor
First posted
Oct 1, 2020
Start date
Jan 15, 2021 (estimated)
Primary completion
Dec 30, 2021 (estimated)
Completion
Dec 30, 2022 (estimated)
Last update
Dec 28, 2020

Study contacts

Zhuo Lin, PhD
Contact
zhuolin9017@126.com
861082265732
Baohua Li
principal investigator · Peking University Third Hospital

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Sep 2020. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion