new epicollect phone system for data collection training january … · 2011. 2. 24. · epicollect...

EpiCollect phone system

for data collection

TrainingJanuary 2011

Presented by:

Alex PavluckThe Task Force for Global Health

Special thanks to:

Carl Campbell (SCORE, Implementation)Dr. Sue Binder (SCORE, Implementation)

Dr. David Aanensen (Imperial College, EpiCollect Developer)Dr. Derek Huntley (Imperial College, EpiCollect Developer)

Overview:

How we got here

First, I want to state that all this could not be possible without

the development work of David Aanensen, Derek Huntley, and

Chris Powell at Imperial College and implementation of this

system within the SCORE studies by Sue Binder and Carl

Campbell

• Developed at Imperial College London

• David Aanensen, Derek Huntley, Chris Powell and Brian G Spratt

• Funded by The Wellcome Trust

Contact: [email protected]

Aanensen et al.(2009) PLoS ONE 4(9) e6968

http://www.epicollect.net

The EDGE PDA system vs.


What did we gain?

• A single device replaces all the equipment (the phone is the same cost as the wireless scanner alone)

• Flexibility - questions can be added, removed, or changed - even after the equipment is in the field

• Better management - software and survey can be updated easily after they are sent into the field

• In many places wireless is easier to get than traditional Internet access

Components of the system

• Central server

– hosted at the Task Force

– Does not contain personal identifiers

• Phones

– there are many choices

• Labels

– Phones are able to scan labels above a certain size

• In country server

– Contains personal identifiers

– Is this necessary?

Access to the data collected

• This has not been fully worked out. We are certainly open

to your ideas, suggestions, support

• Some ideas are a website similar to the current EDGE

system or data can be shared as an export of the database and emailed or posted on an FTP site

(GPS)

Village

School or Household

Student or Adult

Specimen

Test Result

(GPS)

v1

L1

P000001 P00003

X000001

Aliquot

L1

QZ231 AR2E4

X000003

Negative Negative

The EDGE Survey

Location >> Person >> Specimen >> Aliquot >> Results

Location questions:

1. Country name [text field]

2. Region [text field]

3. IU/EU [text field]

4. EA [text field]

5. Location type

a. Household

b. School

6. Location ID [primary key to link to next table]

7. Notes

The EDGE Survey


Person questions:

1. Location ID (autofilled and not editable)

2. Person ID [primary key, scanned by phone]

3. First name [text field]

4. Last name [text field]

5. Gender

a. Male

b. Female

6. Age [numeric field]

7. Drug treated at last MDA

a. Yes

b. No

8. Bednet use

a. Last night - no

b. Last night - yes

c. Unknown

9. hydrocoele (logic check,

only shown if male)

a. Yes

b. No

10. Concent

a. Adult self

b. Self

c. Headmaster

d. Parent

11. Notes

The EDGE Survey


Specimen questions:

1. Person ID (autofilled and not editable)

2. Specimen ID [primary key, scanned by phone]

3. Specimen type

a. Blood

b. Urine

c. Stool

4. Collection date [date field]

5. Notes

The EDGE Survey


Aliquot questions:

1. Specimen ID (autofilled and not editable)

2. Aliquot ID [primary key, scanned by phone]

3. Vial type

a. ICT Card

b. 2ml Round Bottom

c. Brugia Rapid Cassette

d. EDT micro-cont

e. Filter Disk

f. Filter Spot

g. Glass Slide

h. PanLF Cassette

4. Quantity [numeric field]

5. Quantity unit

a. Each

b. mL

c. Spot

d. ule. N/A

The EDGE Survey


Test result questions:

1. Aliquot ID (autofilled and not editable)

2. Test name [text field]

3. Test date (date field]

4. Result

a. Indeterminate

b. Invalid

c. Negative

d. Not Tested

e. Positive

5. Result Quantity [numeric field]

6. Result Units

a. Units

b. N/A

Tools

1. Phones (can choose any model - score is using)

2. SIM cards – bundled data plans of 200mb/mo are roughly $6

3. A laptop if in country is needed AND/OR for web based

data entry

4. USB scanner for web entry (if this is possible for LF studies)

5. Labels - please follow up with Carl Campbell as he has

done amazing work for the SCORE projects


for data collection

LABELS

• Labels needed to be printed larger for the phones

– Phones can scan: PersonID & SpecimenID

– Aliquot is smaller (to fit on label) and can not be scanned by phone

• Will we be printing the same label scheme as the EDGE

System?

• Precise details on labels being used can be obtained from

Carl Campbell (SCORE)


for data collection

EPICOLLECT IN DETAIL

• Flow and screens is very similar to the EDGE system

• The system is a relational system

• Survey is created via XML file and the user interface and backend

database is created automatically

• There is development work for processing phone file and sending the

data to the phones (this has not be passed off by Imperial yet details

will be shared once I have the skills need to management this

process)

• A database must be manually created on the US and In Country

server and added to processing scripts


for data collection

Implementation in the field

• The released version of EpiCollect has been used

extensively

• The custom version of EpiCollect that has not been

publicly released is being used today for collection in

Kenya


for data collection

WHAT DID WE LEARN?

• Experience in Kenya

– Without having to pair multiple pieces of equipment training is

streamlined

– We have produced training presentations and documentation that

still needs refinement

– While this version of EpiCollect has many of the EDGE features,

some features which were available in EDGE are not available

today

– We were able to train 17 teams of data collectors in 1 day and

enroll and collect specimens for over 200 students the next day!

Full disclosure: There were issues with synchronizing the data. This will be fully

resolved before the DOLF studies. The SCORE investigators were tweaking the

survey with the developers right up to the point of data collection. The DOLF

survey will be much more stable prior to data collection.

EpiCollect use is different that EDGE

While much of the functionality in this version of EpiCollect has many of

the features of the EDGE system, there are some notable differences.

Select all levels!

The system requires that you select your location, person, specimen,

aliquot, results in order. You can not just jump into aliquot and find the

higher level data We have brought this up to Imperial College and there is

always hope that this will change in future releases.

Where are you?

The system does not always display the hierarchy information. You can

get this information by clicking on the menu >> Show Hierarchy. Again,

this has been mentioned and we are hopeful this information will be

displayed more prominently in future releases.


for data collection

Demo

Couple of issues to note:

• LocationID: (locations number be indexed, this is how the tables are linked

together)

• PersonID: this was erroneously not setup as a scan field so the scanner will

not be launched

• Age: this, again, was only setup as text

• Collection date: Can be setup as a pop-up where today’s date will be

preselected (it does show you what a number field keyboard will look like)


for data collection

Sync data


for data collection

Thank you

We are getting closer but still have a way to go:

1. Imperial developers are coming to the Task Force in March to

setup US server1. This will allow us to have control over the data, variables, and questionnaire

2. Web based system developed for Score needs to be modified to

work with LF studies

3. We will work together to get the LF survey modified and tested as

soon as possible to maximize testing

new epicollect phone system for data collection training january … · 2011. 2. 24. · epicollect...

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