Do you have a use case for these? How would you use them in an analysis? Or do you have these data in your source and now you have to find a home for them?
I can find several reasons to not include these:
- How are you going to analyze them? Is “Mixed - White and Black Caribbean” going to be in a stratum with White or with Black?
- Races are so weak form a biological standpoint, that incorporating fractions or mixtures seems a stretch if you want to see a meaningful biological signal.
- “Mixed - White and Black Caribbean” and “Mixed - White and Black African”? Is there really a biological or socio-economical difference we need to record?
- “Any other mixed background” - in the Standard Vocabularies we generally do not code unknown or “other” information. It’s just concept_id=0, meaning that no information is available.
Sorry to be so stiff, but we have to filter all changes by whether or not there is a use case behind.