DFcollect User Guide

Release 5.1.0

All rights reserved. No part of this publication may be re-transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of DF/Net Research, Inc.. Permission is granted for internal re-distribution of this publication by the license holder and their employees for internal use only, provided that the copyright notices and this permission notice appear in all copies.

The information in this document is furnished for informational use only and is subject to change without notice. DF/Net Research, Inc. assumes no responsibility or liability for any errors or inaccuracies in this document or for any omissions from it.

All products or services mentioned in this document are covered by the trademarks, service marks, or product names as designated by the companies who market those products.

Google Play and the Google Play logo are trademarks of Google LLC. Android is a trademark of Google LLC.

App Store is a trademark of Apple Inc.

Feb 01, 2019


This guide describes the DFcollect app.

The instructions are intended to describe, in general terms, how data entry tasks are performed using DFcollect. The guidance provided here is not meant to replace more specific instructions which may be provided by the sponsor, principal investigator or coordinating site for a particular trial.

Table of Contents

1. Getting Help
2. DFdiscover Mailing List
3. Conventions
1. Introduction
1.1. What is DFcollect?
1.2. Compatible Devices
1.3. Capabilities
1.4. General Terminology & Interface Elements
1.4.1. Main Application Pages
1.4.2. Menus
1.4.3. Dialogs
1.4.4. Terminology
1.5. Preferences
1.6. Change Password
1.7. Locking
1.8. Session Timeout
1.9. Icon Reference Chart
2. Data Entry
2.1. Selecting a Subject
2.2. Navigating the Subject Binder
2.3. Entering Data / Completing a Record
2.3.1. Data Entry Aids
2.3.2. Data Types
2.3.3. Edit Checks
2.3.4. Saving Data
2.4. Finding Subject Records
3. Metadata
3.1. Queries
3.1.1. Add Query
3.1.2. Edit Query
3.1.3. Reply to Query
3.1.4. Delete Query
3.1.5. Multiple Queries Dialog
3.2. Add a Data Reason
3.3. Mark a Data Value as Missing
3.4. Resolving Queries
3.5. Managing Documents
3.5.1. Supported Document Types
3.5.2. Reviewing Documents
3.5.3. Adding Documents
4. Working Offline
4.1. Prepare To Go Offline
4.1.1. Downloading from Storage & Syncing
4.1.2. Downloading from Subjects Page
4.2. Offline Data Entry
4.3. Submit Data to Server
4.3.1. Conflict Resolution
4.3.2. Delete Data from Local Storage
A. Copyrights - Acknowledgments
A.1. External Software Copyrights
A.1.1. DCMTK software package
A.1.2. Jansson License
A.1.3. HylaFAX Facsimile Software
A.1.4. Mimencode
A.1.5. RSA Data Security, Inc., MD5 message-digest algorithm
A.1.6. mpack/munpack
A.1.7. TIFF
A.1.8. PostgreSQL
A.1.9. OpenSSL License
A.1.10. Original SSLeay License
A.1.11. gawk
A.1.12. Ghostscript
A.1.13. MariaDB and FreeTDS
A.1.14. QtAV
A.1.15. FFmpeg
A.1.16. c3.js
A.1.17. d3.js