Appendix B
Graphical Summary of Study and Method
	
	Sample of Education
	Modules 
	Case Cross-Over Design 
 
 
 
	Text-message queries run 7-days every 3 weeks 
	12 weeks 
	24 weeks 
	Cross-over 
	Hours/quality of sleep Fatigue/sleepiness
	ratings Reported shift
	injuries 
	Baseline indicators of sleep health and fatigue 
	Explore change in key indicators of sleep health and fatigue from
	baseline to post intervention 
	 
	Wait-list Control Group 
	Intervention Group 
 
 
 
 
 
 
 
 
 
 
 
	
	
| File Type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | 
| Author | Byrd, Mary (NHTSA) | 
| File Modified | 0000-00-00 | 
| File Created | 2021-01-20 |