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Electronic Data Capture using Open Data Kit


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Slides for Keith Branson's talk on performing mobile data capture using Open Data Kit (ODK). Presented at the London School of Hygiene & Tropical Medicine for a seminar on Mobile Data Collection seminar on Sept 27, 2013.

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Electronic Data Capture using Open Data Kit

  1. 1. Electronic Data Capture using Open Data Kit Keith Branson Karonga Prevention Study (KPS) Mobile Data Collection Seminar 27 September 2013
  2. 2. Open Data Kit (ODK) • Set of tools, author, collect and manage mobile data collection on an android device • Free • Open source • Software development by ODK community
  3. 3. ODK tools • Build a data collection form or survey (XLSForm is recommended for larger forms) • Collect the data on a mobile device and send it to a server • Aggregate the collected data on a server and extract it in useful formats.
  4. 4. Survey • NCD survey at two sites in Malawi • 5 electronic questionnaires • 3 languages English, Chichewa Tumbuka • Questionnaires range from a 21 page form to single page
  5. 5. ODK Process • Design form for mobile device ( build, Excel or 3rd party design tools) • Transfer form to tablet (wireless or cable) • Collect data • Upload data from tablet
  6. 6. Form design • Coded in Excel spreadsheet
  7. 7. ODK Aggregate Server • provide blank forms to ODK Collect • accept finalised forms (submissions) from ODK Collect • visualise the collected data using maps and simple graphs • export data (e.g., as CSV files for spreadsheets, or as KML files for Google
  8. 8. Aggregate Server interface
  9. 9. ODK Collect
  10. 10. ODK Collect Options
  11. 11. Collect “go to prompt”
  12. 12. Collect “Finalize”
  13. 13. Issues Software • Amending uploaded data • Pre –print tickets • Lockdown Mobile device selection • Battery life • GPS accuracy • Camera quality
  14. 14. Mobile device considerations
  15. 15.