FindTrial
Sign In

Effect of health education on time outdoors in school-aged children: a randomized controlled trial

Short message service as an intervention to increase time outdoors in school-aged children: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IOC-17010525
Enrollment
Unknown
Registered
2017-01-26
Start date
2017-02-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

myopia

Interventions

intervention group and chontrol group:short message service

Sponsors

Beijing Tongren Hospital, Capital Meidial University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
6 Years to 12 Years

Inclusion criteria

Inclusion criteria: All subjects recruited from the Anyang Childhood Eye Study (ACES),which is a school-based cohort study mainly designed to longitudinally observe the occurrence and development of myopia as well as other ocular diseases in school-aged children. Grade 3 students from 5 classes of one elementary school were recruited.

Exclusion criteria

Exclusion criteria: history of ocular illnesses or surgeries or severe diseases

Design outcomes

Primary

MeasureTime frame
time outdoors;light intensity;—

Countries

China

Contacts

Public ContactShiming Li

Beijing Tongren Hospital, Capital Meidial University

lishiming81@163.com+86 13691557986

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026