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Table 1 Summary of data composition

From: Mobile electronic versus paper case report forms in clinical trials: a randomized controlled trial

 

CRF entry method

eCRF

pCRF

Total number of records

60

60

Records per subject type

  

 Patient

45

45

 Study nurse

15

15

Records per instrument

  

 Patient and medical history

6

6

 Examination at first visit

3

3

 Examination at second visit

6

6

 VASa freezing

5

5

 Nutrition questionnaire

5

5

 IPAQb

5

5

 SF-36c

5

5

 Chronotype questionnaire

5

5

 Nutritional habits

5

5

 Test meal questionnaire

15

15

  1. Equal numbers of records were obtained for each CRF, subject and instrument type. Differences in record numbers between items were owed to the design of the use case study and controlled for in the statistical model
  2. avisual analogue scale
  3. binternational physical activity questionnaire
  4. cshort form (36) health survey
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BMC Medical Research Methodology

ISSN: 1471-2288

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