Table 3.

Percentage of users who scored 4 or 5 (indicating agreement or strong agreement) per item in the exit survey. Averages falling below half are bolded.

Statement	Wave 2 (n = 17)	Wave 3 (n = 52)	Total (n = 69)
The language and tone of the chatbot was appropriate.	94%	94%	94%
The conversation felt natural.	71%	60%	62%
The chatbot responded in a consistent manner.	88%	87%	87%
The chatbot gave me options that were easy to follow.	94%	83%	86%
It was easy to understand what I could do with the chatbot, and how I should do it.	82%	85%	84%
I had enough control over the conversation.	59%	62%	61%
The conversation had no bugs or abrupt endings.	88%	83%	84%
It was easy to get back on track if I made the wrong choice.	76%	75%	75%
It was easy to return to the conversation if I was interrupted.	82%	83%	83%
The chatbot's responses were helpful.	82%	79%	80%
The chatbot remembered things I told it.	76%	62%	65%
The chatbot responded in a way that felt personal to me.	53%	44%	46%
I could trust the accuracy of the chatbot's responses.	82%	79%	80%
I felt my conversations were private and secure.	82%	88%	87%
I felt I could communicate in the way I wanted to with the chatbot.	59%	58%	58%
The chatbot made me feel confident in managing my asthma.	47%	60%	57%
When using the chatbot, I felt less alone in managing my asthma.	53%	54%	54%
When I used the chatbot, I felt the interaction went both ways.	59%	46%	49%
Using the chatbot was beneficial.	76%	54%	59%
After using the chatbot, I know more about asthma.	59%	50%	52%
I learned new things from using the chatbot.	47%	48%	48%
I enjoyed using the chatbot.	82%	63%	68%