Table 1: Questionnaire for assessing simplicity of insulin delivery device.

Simplicity assessment questions
S No	Question	Options	Score*
1	How many of doses of insulin have you missed in the last 5 days?	None 1-3 doses >3 doses	1 2 3
2	How easy is to inject your insulin?	Easy Intermediate Hard	1 2 3
3	How easy is it to calibrate the dose of your insulin?	Easy to learn Acceptable Hard	1 2 3
4	How easy is it to change needles (removing/connecting)?	Easy Acceptable Hard	1 2 3
5	How easy is it to store your insulin?	Easy Acceptable Hard	1

*Scoring as per response. Minimum score of 5, maximum score of 15. Lower score indicates simpler device and a higher score denotes a more complicated device.