Table 1.

Demographics (n = 167)

Variable	Value
Age	M = 15.83, SD = 0.78
Age at diagnosis	M = 8.87, SD = 3.71
HbA1c (%)	M = 8.49, SD = 1.61
Grade	22.8% ninth grade
	48.5% 10th grade
	28.7% 11th grade
Gender	48.5% female
	49.7% male
	1.8% nonbinary
Ethnicity	98.8% non-Hispanic
	1.2% Hispanic
Race	92.8% White
	9.6% Black
	1.2% Asian
	3.6% more than one race
Household structure	67.1% live with biological mother and father
Parent education	0.6% less than high school
	12% high school graduate or equivalent
	13.8% some college
	6% technical/vocational school graduate
	18.0% 2-year college graduate
	27.4% 4-year college graduate
	22.2% postgraduate training
Insulin delivery system	59.9% insulin pump
	40.1% injections
CGM	79% CGM
	21% glucometer

Note. HbA1c = hemoglobin A1c; CGM = continuous glucose monitor.