Enter a Screening Interval

Overview

A screening interval is used to determine a subject's screening status (In-screening, failed screening, passed screeing, enrolled). Screening must be an enabled feature in the project to create screening intervals.

Required Role(s)

Project Management

Steps

Attributes tab

Enter a name for the interval
The Active box is checked by default indicating the interval is active
The Fixed Interval box must be checked for a screening interval
Enter the Target Length which must be set to a negative value (to indicate that screening occurs prior to baseline)
Select the units for the target length from the drop down box
Enter the Before Target Range and After Target Range

The Before and After Target Range values determine the Earliest and Latest projected dates for data entry
Select the units from the drop down box for the before and after target range
Optionally enter instructions for the subject that will display when they enter this encounter

This section only displays in projects with the Subject Login feature enabled

Variable Groups tab

Mark the checkbox in the Include column for the variable groups that will be collected at this interval
Mark the checkbox in the Entered By Subject column for variable groups that will be entered by the subject

This column is only displayed in projects with Subject Login enabled

Interval Expression tab

Enter a dependency that is specific to this interval
Enter a dependency that goes across variable groups

Dependencies that are specific to a variable group are entered on the Dependencies tab of the Variable Group Update page

Screening Expression tab

Enter the function to set the subject's screening status and return one of the enrollment status values.

Enrollment Status Values
1 - In Screening
2 - Failed Screening
3 - Passed Screening
4 - Enrolled

Returning no value or any other value will results in an Unknown enrollment status.

Example of a screening expression's User Defined Function: