The Impact of Phone Use on Everyday Outcomes
1 other identifier
observational
1,000
1 country
1
Brief Summary
Participants will download a phone-tracking app for a week to track phone usage, providing objective data on usage patterns. Quantitative tasks and questionnaires will also be carried out before and after the tracking period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2019
Typical duration for all trials
1 active site
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
Study Start
First participant enrolled
March 25, 2019
CompletedFirst Submitted
Initial submission to the registry
March 8, 2020
CompletedFirst Posted
Study publicly available on registry
March 11, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 31, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
June 10, 2021
CompletedMarch 11, 2020
March 1, 2020
2.2 years
March 8, 2020
March 10, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Depression Anxiety Stress Scale (DASS 21)
A 21-item, 4-point scale measuring participant emotional states. This is the short form of the longer 42-item DASS.
11 minutes (single measurement)
Body mass index
Participants' body mass index
1 minute (single measurement)
Sleep duration
Assessment of participants' sleep time \& wake time
2 minute (single measurement)
Secondary Outcomes (4)
Digit Span Task
10 minutes (single measurement)
Psychomotor Vigilance Task
10 minutes (single measurement)
Pediatric Daytime Sleepiness Scale (PDSS)
5 minutes (single measurement)
Strengths and Difficulties Questionnaire (SDQ)
10 minutes (single measurement)
Other Outcomes (2)
General Questionnaire on Media Consumption
5 minutes (single measurement)
Subjective Report of Phone Usage
10 minutes (single measurement)
Study Arms (1)
High school student
13-18 year old students enrolled in schools within Singapore.
Interventions
Objective and subjective reports of smartphone use (e.g., number of hours, number of pick-ups, how phones are used)
Eligibility Criteria
Adolescents aged 13-18 years old recruited from Singapore schools.
You may qualify if:
- Owns a smartphone
You may not qualify if:
- Parents not willing to give consent
- History of medical or psychiatric disorder
- History of motion sickness, dizziness or epilepsy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Yale-NUS Collegelead
Study Sites (1)
Yale-NUS College
Singapore, 138527, Singapore
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Jean Liu, PhD
Yale-NUS College
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor
Study Record Dates
First Submitted
March 8, 2020
First Posted
March 11, 2020
Study Start
March 25, 2019
Primary Completion
May 31, 2021
Study Completion
June 10, 2021
Last Updated
March 11, 2020
Record last verified: 2020-03
Data Sharing
- IPD Sharing
- Will not share
Stipulations by the institutional review board do not allow individualized data to be shared.