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Table 3 Characteristics of patients who tested the usability of the Risk Assessment Questionnaire (RAQ) according to three different input devices (N = 19)

From: Usability evaluation of a clinical decision support tool for osteoporosis disease management

Input device N (%) Mean age (years) Mean time to RAQ completion (minutes:seconds [SD]) Comparison groups Average difference in time between input devices (minutes) (β [CIs])a
  Stylus pen 9 (47) 73 8:27 (7:10) --
  Mouse/Keyboard 2 (11) 64 6:29 (2:36) Stylus vs. mouse/keyboard -1.97 (-10.58 to 6.63)
  Touch screen 8 (42) 73 4:31 (1:21) Stylus vs. touch screen -3.93 (-9.28 to 1.42)
  1. aCalculated using analysis of variance (ANOVA).
  2. *SD = standard deviation; CI = confidence interval.