Table 4.

Percentage completion of hydration metrics (detailed in Multimedia Appendix 7).

Participant	Phase 1a		Phase 2b		Phase 3c		Difference (%)d
	Total, N	Done, n (%)	Total, N	Done, n (%)	Total, N	Done, n (%)
1	84	80 (95)	—e	—	42	19 (45)	−50
2	66	39 (59)	—	—	84	42 (50)	−9
3	42	42 (100)	—	—	42	26 (62)	−38
4	84	73 (87)	—	—	84	79 (94)	7
5	48	48 (100)	—	—	56	40 (71)	−29
6	—	—	42	38 (91)	42	42 (100)	9
7f	—	—	39	35 (90)	N/Ag	N/A	N/A
8	—	—	42	37 (88)	42	39 (93)	5
9	—	—	30	24 (57)	84	15 (18)	−39
10	—	—	80	27 (90)	42	33 (79)	−11
Values, mean	65	56 (88)	46.6	32 (83)	57.6	37 (68)	−15

^aPhase 1: participants 1 to 5.

^bPhase 2: participants 6 to 10.

^cPhase 3: participants 1 to 10.

^dDifference in percentage completion between phase 1 or 2 and phase 3.

^eNot available.

^fParticipant 7 expired before completion of the study.

^gN/A: not applicable.