Table 1.

Summary of Measures

Measures	Format	Data Source	Schedule
Demographics
Health
Duration of Diabetes *	Nominal	Chart review	Baseline
Treatment Regimen *	Dichotomous	Chart review	Baseline
Individual
Age, * Gender, * Race/ethnicity, * Income *	Nominal, Categorical	Self-report and chart review	Baseline
Environment
Alcohol/caffeine intake	Categorical	Self-report	Twice-daily
Work/academic hours	Nominal	Self-report	Baseline
Illness characteristics/symptoms/response
Problem-focused coping	Likert scale	Self-report	Baseline
PROMIS v1.0 Emotional Distress-depression*	Likert scale	Self-report	Baseline
Diabetes Distress Scale*	Likert scale	Self-report	Baseline
Self-reported sleep characteristics
The Pittsburgh Sleep Quality Index (PSQI)	Open and Likert scale	Self-report	Baseline
Pittsburgh Sleep Diary	Open and categorical	Self-report	Twice-daily
The PROMIS SF v1.0-Sleep Disturbance (8 a)	Likert scale	Self-report	Baseline
Berlin Questionnaire (Sleep apnea risk)	Categorical and Likert scale	Self-report	Baseline
Epworth Sleepiness Scale	Likert scale	Self-report	Baseline
Objective sleep characteristics
Spectrum Plus™	Actigraph	Objective	Continuous
Neurocognitive function
Psychomotor Vigilance Test (PVT)	PVT-192 device	Investigator collected	Baseline
Trail-Making Test (TMT)	Paper	Investigator collected	Baseline
Diabetes Self-management (DSM)
Self-Care Inventory	Likert scale	Self-report	Baseline
Diabetes quality of life (DQOL)
PedsQL 3.2	Likert scale	Self-report	Baseline
Glycemic Control and Glucose Variability
Glycemic control	Lab value	Chart review - A1C	Baseline
Glucose variability	CGM	CGM report	Continuous

Note:

^*indicates potential covariates; Continuous Glucose Monitor (CGM).