Table 1.

Baseline Demographic and Clinical Characteristics of FLEX Participants (n=122)

	Participants Included in Analyses
Demographic and Clinical Characteristics, mean (SD) or n (%)
Age (years)	14.8 (1.1)
Female sex	66 (54.1)
Race and Ethnicity
Non-Hispanic white	96 (78.7)
Other	26 (21.3)
Clinical site
Colorado	67 (54.9)
Ohio	55 (45.1)
FLEX study group
Intervention	59 (48.4)
Control	63 (51.6)
Duration of diabetes (years)	6.4 (3.7)
HbA1c, %	9.3 (1.1)
BMI z-score	0.7 (0.9)
Weight Status
Under- or normal weight	76 (62.3)
Overweight	27 (22.1)
Obese	19 (15.6)
Insulin dose per kg, U	1.0 (0.3)
Moderate to vigorous exercise, h/day	2.7 (1.7)
Electronic media time, h/day	2.7 (2.1)
Insulin Regimen
Multiple daily injection	32 (26.2)
Pump	90 (73.8)

Data are mean (SD) or n (%).

Abbreviations: HbA1c = Hemoglobin A1c. BMI z-score = Body Mass Index z-score.