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Table 2 Illustrative big data linkage identification scheme

From: Connecting and linking neurocognitive, digital phenotyping, physiologic, psychophysical, neuroimaging, genomic, & sensor data with survey data

ID no.

Description

Format

IMS Nirvana

Internal SQL unique number at the individual record (only resides at RTI)

####

PID

IMS-assigned sequential Participant Identification Number (PID)

#####

SID

IMS-assigned Sample Identification Number (SID) (NIMH No. + Label No. per site)

###-####

PIN

IMS-assigned unique code for a PID (for security and external linkages)

####

Study Watch (aka wearable)

A Verily 16-alphanumeric serial number (manufactured device number)

A#AAA##A######AA

Neurocognitive Assessment

IMS-assigned PIN plus Group Number Assignment (i.e., 1, 2, 3, 4)

####-#

Digital Phenotyping

IMS-assigned username based on user-entered information at baseline

#######

  1. The approach taken balances all factors to ensure linkage across the various data streams and the prospective nature of data collection.