46 Chapter 2 amount of information (Figure 3E). The amount of push notifications was found to be adequate by 84.4% (439/520) (Figure 3F). Healthcare provider satisfaction The healthcare provider questionnaire was completed by 23/23 (100%) treating physicians and nurses who were involved in the care for headache patients at the Leiden University Medical Center. The 23 healthcare providers rated their satisfaction with the E-diary with an overall median grade of 8 (IQR 8-9) as shown in Figure 4A. In accordance, Figure 4B shows that all healthcare providers expected patients to be satisfied or very satisfied with the E-diary (Satisfied: 19/23, 83%; Very satisfied: 4/23, 17%). As for the app’s usefulness in helping health care providers to give instructions to their patients, all health care providers found it (very) useful (High usefulness: 14/23, 61%; Very high usefulness 9/23, 39%; Figure 4C). The user-friendliness of the app is shown in Figure 4D, with all health care providers reporting a (very) high user-friendliness (High user-friendliness: 12/23, 52%; Very high user-friendliness: 11/23, 48%). The majority of health care providers (96%, 22/23) found that the E-diary provided an adequate amount of information (Figure 4E). Figure 2. The percentage of E-diary compliance for all patients with a minimum follow-up of two weeks (n=954).
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