Table 2.

Feedback questionnaire results on intervention engagement, usability, and self-reported behavior change.

Theme			Paid (N=18, 60%)	Unpaid (N=12, 40%)	P value
Feasibility and usability					<.001a
	How many times did you usually log in?
		Never, n (%)	0 (0)	0 (0)
		Once a week, n (%)	0 (0)	1 (83)
		Several times a week, n (%)	0 (0)	7 (58)
		Once a day, n (%)	10 (56)	2 (17)
		Several times a day, n (%)	8 (44)	2 (17)
	What time of day did you usually log in?				.50a
		Morning before work, n (%)	3 (17)	2 (17)
		Morning at work, n (%)	2 (11)	0 (0)
		Lunch time, n (%)	0 (0)	2 (17)
		Afternoon at work, n (%)	1 (6)	1 (8)
		Evening at home, n (%)	12 (67)	7 (58)
	Where did you usually log in?				>.99a
		Home, n (%)	14 (78)	10 (83)
		Work, n (%)	4 (22)	2 (17)
		Commute, n (%)	0 (0)	0 (0)
Acceptability
	Would you recommend the BioBase programme to a friend?				.13a
		Yes, n (%)	15 (83)	6 (50)
		Maybe, n (%)	3 (17)	5 (42)
		No, n (%)	0 (0)	1 (8)
	Would you like to continue using the BioBase programme?				.26a
		Yes, n (%)	11 (61)	4 (33)
		No, n (%)	7 (39)	8 (67)
Promoting behavior change
	Have there been any changes to your physical health since starting the BioBase programme?				>.99a
		Yes, n (%)	6 (33)	3 (25)
		Maybe, n (%)	2 (11)	2 (17)
		No, n (%)	10 (56)	7 (58)
	Have there been any changes to your mental health since starting the BioBase programme?				.06a
		Yes, n (%)	5 (28)	3 (25)
		Maybe, n (%)	3 (17)	7 (58)
		No, n (%)	9 (50)	2 (17)
	Have there been any changes to your engagement at work since starting the BioBase programme?				.69a
		Yes, n (%)	6 (33)	3 (25)
		Maybe, n (%)	2 (11)	3 (25)
		No, n (%)	10 (56)	6 (50)

^aFisher exact test.