Dear UKHLS Team,
I am interested in using the SF-12 in my research. However, I would prefer to work with the 12 items themselves rather than the single mental functioning score, so that I can run factor analyses and measuremnt invariance tests across different populations. I only found the derived SF-12 score in the variable search tool (sf12mcs_dv), but not the single items.
Could you provide the single items and perhaps explain why the items themselves are not available?
Many thanks and best regards,