Smartphone abstinence in students: A controlled interventional study.
Not Applicable
- Conditions
- Influence of smartphone and digital media use in adolescents
- Registration Number
- DRKS00010175
- Lead Sponsor
- Klinik für Psychiatrie und Psychotherapie IIIUniversitätsklinikum Ulm
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 267
Inclusion Criteria
students of class 6-10, voluntary basis
Exclusion Criteria
no smartphone
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Screentime (self report in diary, whole period), <br>physical activity and sleep duration (continuous tracking with fitness-tracker, whole period), <br>executive functions (computer tests, four measurement periods)<br>cortison and DHEA (hair samples, three measurement periods)<br>BMI, blood pressure, heart rate (four measurement periods), <br>PANAS (self rating, four measurement periods), <br>teacher ratings ( four measuremente periods),<br>performance in school (school report in february and in july)<br><br><br>The four measurement periods take place one week before and one week after each of the two intervention periods.
- Secondary Outcome Measures
Name Time Method