LPS harmonised demographic dataset (full)#
Last modified: 30 Sep 2025
1. Summary#
The full LPS harmonised demographic dataset contains harmonised variables for sex, gender, year of birth and ethnic group. This dataset retains every relevant response provided by participants. For example, if a participant was asked to confirm their ethnic group on five separate occasions, then that individual will have five occurrences of ethnicity in this dataset.
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 |