Understanding Society User Support

Many thanks for your enquiry. The Understanding Society team is looking into it and we will get back to you as soon as we can.

We aim to respond to simple queries within 48 hours and more complex issues within 7 working days.

Best wishes,
Understanding Society User Support Team

Hello Omer,

I suggest reviewing the Pregnancy and Early Childhood (PEACH) file (SN9075). The study gathered data from all children reported in the main survey. The information is at the child-level, using each child’s unique person identifier number to make them identifiable across all waves. The data include, among others, birth weight.

Please note that the PEACH file excludes children that in wave 1 were older than 6 years. If you wish to add this subsample you may append those in wave 1 a_natchild with birthweight to PEACH to have the full sample. Please be aware that the pidp in a_natchild is the parent's, not the child's.

If you want to follow this approach, note that code “-32 N/A - only in child file" it's for children that have been reported in the child file, but we couldn't find them neither in the “newborn” file nor in the “natchild” files. Consequently, specific information (such as birth weight) for these cases is unavailable.

For more details regarding the PEACH file, please refer to https://www.understandingsociety.ac.uk/blog/2023/07/03/%E2%80%98peach%E2%80%99-data-%E2%80%93-a-single-source-on-child-development-information

I hope this information is helpful.
Best wishes,
Roberto Cavazos
Understanding Society User Support Team