Table 2.

Field user acceptability testing (N = 14)

	Median	Mean (SD)
How easy was the My Pain Pal app for you to use?	5	4.57 (0.51)
How understandable were the questions in the My Pain Pal app?	5	4.93 (0.27)
How much did you enjoy using the My Pain Pal app?	4	3.93 (0.73)
Was the amount of time it took to complete the My Pain Pal Daily questionnaire acceptable?	4	3.86 (1.29)
How would you rate your overall satisfaction with the My Pain Pal app?	4.5	4.43 (0.65)

Measures: Five items from the Acceptability E-Scale [47] were included. Each item is rated on a 5-point Likert scale, where 5 represents the most favorable response, 3 represents a neutral response, and 1 represents the most negative response