Investigating Driver Sleepiness and Crash Risk in Young Drivers: A Randomized Control Trial to Optimise Sleep

Not Applicable

Recruiting

• Conditions: Sleep loss; Driver sleepiness; Public Health - Health promotion/education; Injuries and Accidents - Other injuries and accidents

• Registration Number: ACTRN12621000132842
• Lead Sponsor: Institute for Social Science Research - University of Queensland

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-02-09
• Last Update Posted: 16 February 2021

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 210

Inclusion Criteria

Potential participants will be required to meet the following criteria;
- Regular driver with current Australian driver’s license (Provisional or Open)
- Sleep for less than 7hrs per night on average, and less than 6hrs per night on at least 2 occasions per week;
- Willing to make a change to a sleep or nutrition related lifestyle behaviour;

Exclusion Criteria

Key exclusion criteria include;
- Currently working overnight shifts (i.e. any shifts falling between the hours of 12am – 6am);
- Have travelled across more than three time zones within the past three months or intend to travel within the first three months of the study;
- Have a current medically diagnosed sleep disorder (e.g. Obstructive Sleep Apnoea etc.);
- Have a current medically diagnosed eating disorder;
- Currently use medically prescribed stimulants, antidepressants, antianxiety, antipsychotic, mood stabilising medications, sleep medications or appetite suppressants;
- Currently use over-the-counter substances with psychoactive properties (e.g., Ginkgo Biloba, St. John’s Wort);
- Women who are pregnant or who are planning to become pregnant in the next 10 months;
- Parents or sole carers of a child;
- Regular smoker

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Primary Sleep Outcomes measured;<br>-Objective habitual daily sleep duration (actigraphy and sleep diary assessed)<br><br>[Outcomes will be assessed continuously for two weeks at a time at Baseline (Study weeks 1 and 2), Post-intervention (Study weeks 7 and 8), and Follow-up (Study weeks 33 and 34). ];Primary Driving Risk Outcome measured;<br><br>- Frequency of elevated g-force events (assessed via in-vehicle accelerometry)[Elevated g-forces will be measured continuously using in-vehicle accelerometers for two weeks at a time during Baseline (Study weeks 1 and 2), Post-intervention (Study weeks 7 and 8), and Follow-up (Study weeks 33 and 34). <br>];Primary sleep outcome measured:<br>- Frequency of sleep restriction (frequency count of sleep duration < 6hrs per night each week) - measured using actigraphy watches[Outcomes will be assessed continuously for two weeks at a time at Baseline (Study weeks 1 and 2), Post-intervention (Study weeks 7 and 8), and Follow-up (Study weeks 33 and 34).]