Center for Surveillance, Epidemiology, and Laboratory Services Division of Health Informatics and Surveillance José Aponte Public Health Advisor Companion for Android for Mobile Data Collection July 2015 Epi Info™ 7 Software for Public Health EIS Summer Course

Outline  Overview of Epi Info 7’s Companion for Android application  Designing forms for mobile devices  Initial set up and application configuration  Data transfer

OVERVIEW OF EPI INFO 7 MOBILE Introduction

Epi Info 7 Mobile  Epi Info 7 Mobile is designed for use on mobile touchscreen devices running the Android operating system.  The mobile application is compatible with Android tablets and phones running Android version 4.0  There are three modules offered: o StatCalc – a statistical calculator for epidemiologists o Data Collection – collect data using forms created with Epi Info 7 o Data Analysis –analytical features for analyzing data collected on the device or downloaded from another source

Epi Info 7 Mobile  These modules do not contain the full Epi Info™ functionality.  Data can be transferred from the mobile device to a PC for more complex analyses.

Initial Setup  The Epi Info™ Companion for Android is available for download at the Google Play store. cdc.epiinfo&hl=en cdc.epiinfo&hl=en

Initial Setup  Since Android specifications are open source, device manufacturers are free to change positioning and appearance of common elements such as menus and buttons.  When an Android device is connected to a PC via a USB cable, it may register as a disk drive, media device, or a digital camera.  Please note that data and forms can only be transferred in disk drive or media device modes.

Epi Info 7 Mobile Tablet Smartphone  Version 1.1.2

Develop form using Form Designer module Copy form to Android device Complete data collection using device Export data with syncronization file Sequence of Steps to Complete

DESIGNING SURVEYS FOR MOBILE DEVICES Form Design

Designing Forms  Create the data collection form using the Epi Info 7 Form Designer.  Design creates certain features and behavioral differences between the mobile and PC format. Not all field types or check code commands are supported or provide value on a mobile device. Required fields and drop-down lists may behave differently on a mobile device than they do on the Epi Info™ 7 Enter Data module.  Forms on a mobile device require a minimum of three data fields.

Copy Form to Mobile Device  From the Form Designer menu, select Copy Form to Android Device.

Copy Form to Mobile Device  Form has been copied to device.

COLLECTING DATA Data Entry

Collecting Data in Mobile Device  Access the mobile companion titled Epi Info™ from your device’s application list.  Press Collect Data  Click on the triangle on the right hand corner to see a list of available forms.

Collecting Data in Mobile Device  Select the form for data collection from the drop-down list by pressing on the form name.  Press Load  The Collect Data page appears with a list of all records contained on the mobile device for that form.

Collecting Data in Mobile Device  Press the desired form name from the drop-down list  Press Load  The Collect Data page appears with a list of all records contained on the mobile device for that form.

Collecting Data in Mobile Device

Fields Display on Device

 Images Will appear as a photo field on a mobile Allows the user to insert pictures taken with the mobile device onto the form Photos taken will always stretch to the field shape that appears on the mobile device

Fields Display on Device  GPS Coordinates Latitude and longitude can be recorded Press Capture Coordinates button

Fields Display on Device  GPS Coordinates Select Latitude field drop-down list. Select Longitude field drop-down list. Click Set button

Working with Records  Save Record Select Save Record in the top right corner of the screen. An incomplete form can be saved and finished at a later time. Data is stored with a Record ID and Preview information.

Working with Records  Edit Record Press on the record you wish to edit from the Record List. Data for record selected appears on the form and is ready for editing.  Delete Record Hold down on the desired Record from the Record List Select Delete Record

Working with Records  Search for Record Press on magnifying glass icon

Working with Records  Search for Record Type a specific value to search for (i.e. Last Name, Patient Id, Age)

Working with Records  Search for Record List is filtered based on the records found.

Form Configurations  Configuration button located in top right hand side of screen: Sync with Cloud – If configured within the device, data can be sent directly to the cloud. Create Sync File - creates a “syncronization file” which incorporates all data collected in device so that it can be imported into EI7 database. Delete All Data – deletes all records collected in device for tloaded form. It is irreversible. Analize Data – provides basic options for analysis; frequencies, means and 2x2 tables.

TRANSFERING DATA FROM MOBILE DEVICE Data Entry

Create Sync File  Select Create Sync File option from form configuration settings.  Create a password for the sync file.  Password will be required to access the sync file and download the information to a computer.  Click Set

Create Sync File  File created will have an.epi7 file extension  File will be stored in Downloads > EpiInfo> SyncFiles folder on the mobile device

Transfer Data from Mobile Device  Connect the mobile device to your computer via a USB cable.  Open the project and form used to collect the data on the mobile device.  Select Import Data > From mobile device option.

Transfer Data from Mobile Device  Specify sync file location  Specify password  Select the type of Import Update and append Update records only Append records only  Click Import

Transfer Data from Mobile Device  Two issues might occur: Computer unable to recognize your device Sync file created is not being displayed  Solution: Restart the device Unplug/plug the cable

Epi Info 7 Mobile - StatCalc

 Population Survey  Unmatched Case-Control Study  Unmatched Cohort / Cross-Sectional Study  Analysis of Single and Stratified 2x2 Tables  Analysis of Linear Trend

Epi Info 7 Mobile - StatCalc

Epi Info 7 Mobile – Data Analysis

 Basic statistics like frequency, means, and 2x2 tables

Epi Info 7 Mobile – Data Analysis  Maps - allows users to geographically display case data on a map plots GPS coordinates on a Google Map base map Internet connectivity is required

Uploading a Questionnaire into a Tablet Entering Data Create Sync File Import Data into Epi Info 7 Database Instructor Demonstration

For more information please contact Centers for Disease Control and Prevention 1600 Clifton Road NE, Atlanta, GA Telephone: CDC-INFO ( )/TTY: Visit: | Contact CDC at: CDC-INFO or The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention. Center for Surveillance, Epidemiology, and Laboratory Services Division of Health Informatics and Surveillance Questions?