Table 2.

Number of participants with questionnaire responses at the short-term follow-up (prior to 4.5 months from baseline) and the long-term follow-up (between 4.5 and 7 months from baseline).

Group		Participants, n	Baseline, n (%)	Short-term, n (%)	Long-term, n (%)
Nonapp		135	130 (96.3)	36 (27.7)	31 (23.8)
	Declined to use app	65	64 (98.5)	22 (34.4)	19 (29.7)
	Did not register	6	3 (50.0)	2 (66.7)	2 (66.7)
	Used app for <30 days	64	63 (98.4)	12 (19.0)	10 (15.9)
App (used app for ≥30 days)		111	111 (100.0)	90 (81.1)	69 (62.2)
Total		246	241 (98.0)	126 (52.3)	100 (41.5)