"ethnicity based" is correct and usable in written English.
It is often used to describe something that is influenced or determined by a person's ethnicity. Example: The university's admissions process was criticized for being ethnicity based, as it gave preferential treatment to certain ethnic groups.
(The system predicts likely ethnicity based on surname and is clearly imperfect).
Determining ethnicity based on a bone fragment could improve identification of a specimen, particularly when it is not fully intact.
To see the shape of the hazard functions, we plot the hazard functions for HBO and WO by gender and ethnicity, based on the extended conditional frailty model for the pooled population.
But the terms "Latino" and "Hispanic" refer to a multiracial ethnicity based on country of birth or ancestry.
Latinos are a multiracial ethnicity based on Latin American or Hispanic birth or ancestry, but that hasn't stopped the Census Bureau from debating whether to classify the group as a race.
Many countries have been hesitant about introducing ethnicity-based HbP-carrier screening based on negative reports related to discrimination and stigmatisation of groups at risk.
Elections in Jos have become, at their essence, an ethnicity-based popularity contest, so that one ethnic group — or a coalition of ethnic groups — can take control of government funds and privileges at the expense of others.
Information was extracted on: a) quantitative measures of health inequities based on ethnicity and b) qualitative descriptions explaining potential reasons for ethnicity-based health inequities.
We found similar and even more striking ethnicity-based enrichment of the P77T-R221H allele.
Furthermore, a next step would be to conduct a larger scale effectiveness study to test the actual contribution of ethnicity-based targeted recruitment approaches among close-knit ethnic communities that retain their own culture and language.
