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Table 4 Reasons for missing baseline diary data

From: Use of daily electronic patient-reported outcome (PRO) diaries in randomized controlled trials for rheumatoid arthritis: rationale and implementation

Reason

RA-BEAM (N = 1307)

RA-BUILD (N = 684)

Device never given to patient

17

12

Device given to patient after baseline

130

57

Missed alarms

97

48

Low battery

82

25

First alarm next day

256

208

User abandoned or delayed report past window

171

21

Other

15

1