Table 2.

Internal Consistency for Continuous Glucose Monitoring Self-Efficacy Survey: Item-to-Total Correlations and Cronbach's α

Survey items: “I am sure I can …”	Youth <13 years of age	Youth ≥13 years of age	Parents
Insert sensor	0.28	0.28	0.34
Calibrate sensor	0.58	0.62	0.51
Keep the receiver	0.32	0.41	0.58
Look at the receiver	0.48	0.59	0.53
Respond to CGM alarms	0.42	0.48	0.50
Charge the receiver	0.61	0.54	0.51
Ask for help with CGM	0.49	0.55	—
Wear/work with child to wear CGM at least 6 days a week	0.61	0.26	0.45
Talk to my parents if having a hard time using CGM	0.43	0.38	—
Respond to CGM alarms at school	0.55	0.55	—
Respond to CGM alarms when with friends	0.51	0.63	—
Download CGM data	—	0.17	0.53
Problem-solve technical difficulties with device	—	0.60	0.53
Adjust insulin dose based on real-time data	—	0.55	0.52
Adjust insulin dose based on downloaded CGM data	—	0.46	0.52
Speak with medical team if needing help with CGM	—	—	0.50
Share CGM responsibilities with child	—	—	0.42
Be encouraging and supportive working with child on CGM	—	—	0.41
Cronbach's α	0.80	0.80	0.82

Items are shortened for ease of presentation.

CGM, continuous glucose monitoring.