CTSI Biostats

What you need before you start1. Study Design

Data collection points Relation of points to each other

2. Data Forms3. Variables

Type Ranges Identifiers

4. Users Who Limitations

The options on this screen depend on your project

settings…you can change your project settings here, if

you did it wrong

The options on this screen depend on your project

settings…you can change your project settings here, if

you did it wrong

Click each Instrument name to modify this. Each of these is a different

data form.

Click each Instrument name to modify this. Each of these is a different

data form.

Click here to add a form

Click here to add a form

You can rename or

delete a whole form

You can rename or

delete a whole form

Note: you can add variables at any point or click and drag them to a different

location

Note: you can add variables at any point or click and drag them to a different

location

Each variable is specified in 4 quick steps:

Each variable is specified in 4 quick steps:

1) Pick your variable type (Note: the most commonly used types of data are instances of a “Text Box”)

1) Pick your variable type (Note: the most commonly used types of data are instances of a “Text Box”)

2) Label your variable--

2) Label your variable--

3) REDCap automatically makes variable names…but you can change it if you’d like

3) REDCap automatically makes variable names…but you can change it if you’d like

4) Specify variable characteristics-Validation: specify variable type and any limits on itRequired variableIdentifier

4) Specify variable characteristics-Validation: specify variable type and any limits on itRequired variableIdentifier

Days offset are from initial event (note, this may be BEFORE you see your participant. Ex: if first event is a stroke, then this would be your first event

When using the calendar module, these days and ranges are included for planning

Days offset are from initial event (note, this may be BEFORE you see your participant. Ex: if first event is a stroke, then this would be your first event

When using the calendar module, these days and ranges are included for planning

Different study arms can have different eventsDifferent study arms can have different events

If your events are not scheduled, this can be used as an ordered tracking of # of visits; there is no limit to the number of events possible

If your events are not scheduled, this can be used as an ordered tracking of # of visits; there is no limit to the number of events possible

How to organize your study info

Event 1: Screening

Event 2: Pre-test

Event 3: Post-test

Event 4: Follow-up

Prescreening

X

H & P X X

OGTT X X

Questionnaire

X X

1. Create a matrix of your study events and what data is being collected when

How to organize your study info2. Get the details of ALL your variables

Form Label Name Type Limits Required

Identifier

Screening

Patient ID

ID Text none Y Y

Screening

Age in Years

Age_yrs Text: Integer

21-69 Y N

How to organize your study info3. Users & Permissions