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Table 1 Concordance rates, between paper diaries and Interactive Voice Response diaries, for individual questions across all subjects

From: Electronic versus paper diaries: a pilot study of concordance and adherence in head and neck cancer patients receiving radiation therapy

  Consistent (%) Inconsistent (%)
Primary Questions   
Did you take your study medication today? 98.9 1.1
Did you experience any side effects today? 84.8 15.2
Did you take any additional medication today? 73.4 26.6
Secondary Questions   
What time did you take your study medication? 87.7 12.3
What time did you experience a side effect? 100 0
What was the side effect? 100 0
What time did you take the additional medication? 81.3 18.7
What is the name of the additional medication? 100 0
What dosage was the additional medication? 68.3 31.7
Why did you take the additional medication? 84.5 15.5