Table 4.

Content analysis of free-text comments regarding disadvantages of using My Breathing Matters (n = 13).

Code	Description	Frequency
Disliked design	Aspects of the design participants disliked, in particular the unlocking feature.	3
Not accessible on their device	The intervention could not be accessed on phone or computer tablet.	3
Difficulties logging on	Participants experienced difficulties logging on.	2
Too many or too little emails	Participants received too many or not enough emails to keep engaged.	2
Annoying	The intervention was annoying or slow.	1
Boring	The intervention was short and became boring after a few months.	1
Lack of human contact	The intervention did not provide one-to-one human contact to allow the participant’s questions to be answered.	1
Patronising	The intervention was patronising.	1
Time consuming	Participant did not have time to do the breathing exercises during the day.	1