LPS harmonised demographic dataset (reduced)

LPS harmonised demographic dataset (reduced)#

Last modified: 30 Sep 2025

UK LLC has created a harmonised dataset of key demographic variables across the partner LPS.

1. Summary#

The reduced LPS harmonised demographic dataset contains harmonised variables for sex, gender, year of birth and ethnic group. This dataset retains only the most recent response provided by a participant for each variable.

2. Variables#


Variable name

Variable description

LLC_xxxx_stud_id

Individual identifier (unique to each project in the TRE)

cohort

LPS name

source

LPS dataset holding the original demographic variable(s) for each participant (e.g. ALSPAC_wave1y)

object

Label indicating which of the harmonised variables is represented by the value (e.g. llc_sex, llc_gender)

value

Numeric value for each of the objects

label

Description of what each of the values represents

llc_timestamp

Date (month and year) on which the information was provided by the participant to the LPS