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.

1. Electronic Data Capture
using Open Data Kit
Keith Branson
Karonga Prevention Study (KPS)
Mobile Data Collection Seminar
27 September 2013

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. 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. 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. 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. Form design
• Coded in Excel spreadsheet

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. Aggregate Server
interface

9. ODK Collect

10. ODK Collect Options

11. Collect “go to prompt”

12. Collect “Finalize”

13. Issues
Software
• Amending
uploaded data
• Pre –print tickets
• Lockdown
Mobile device selection
• Battery life
• GPS accuracy
• Camera quality

14. Mobile device considerations

15. http://opendatakit.org/