Transcript EI7_Mobile_EIS_Version2.ppt

Epi Info™ 7
Software for Public Health
EIS Summer Course
José Aponte
Public Health Advisor
Companion for Android for Mobile Data Collection
July 2015
Center for Surveillance, Epidemiology, and Laboratory Services
Division of Health Informatics and Surveillance
Outline

Overview of Epi Info 7’s Companion for Android
application

Designing forms for mobile devices

Initial set up and application configuration

Data transfer
Introduction
OVERVIEW OF EPI INFO 7 MOBILE
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.
https://play.google.com/store/apps/details?id=gov.
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

Version 1.1.2
Smartphone
Sequence of Steps to Complete
Develop form using Form
Designer module
Copy form to Android device
Complete data collection
using device
Export data with
syncronization file
Form Design
DESIGNING SURVEYS FOR MOBILE DEVICES
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.
Data Entry
COLLECTING DATA
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
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.
Data Entry
TRANSFERING DATA FROM MOBILE DEVICE
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
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 - StatCalc
Epi Info 7 Mobile – Data Analysis
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
Instructor Demonstration
Uploading a Questionnaire into a Tablet
Entering Data
Create Sync File
Import Data into Epi Info 7 Database
Questions?
For more information please contact Centers for Disease Control and Prevention
1600 Clifton Road NE, Atlanta, GA 30333
Telephone: 1-800-CDC-INFO (232-4636)/TTY: 1-888-232-6348
Visit: www.cdc.gov | Contact CDC at: 1-800-CDC-INFO or www.cdc.gov/info
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