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Table 2 Characteristics of patients who tested the usability of the Risk Assessment Questionnaire (RAQ) (N = 19)

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

Characteristic N (%) Mean age (years) Mean time to RAQ completion (minutes:seconds [SD]) Comparison groups Mean difference in time to RAQ completion (minutes [95% CI])a
All 72 6:35 (5:15)   
Gender
  Women 10 (53) 74 5:56 (1:24) Women vs. Men 1.40 (-3.80 to 6.59)
  Men 9 (47) 69 7:19 (7:40)   
Computer use
  Yes 13 (68) 72 6:42 (6:19) Use vs. no use 0.36 (-5.27 to 5.98)
  No 6 (32) 72 6:21 (1:52)   
Internet use
  Yes 9 (47) 69 7:00 (7:43) Use vs. no use 0.78 (-4.44 to 6.01)
  No 10 (53) 75 6:13 (1:26)   
  1. aCalculated using independent samples t -test.
  2. SD = standard deviation; CI = confidence interval.