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Table 2 Frequency of race and ethnicity categories before and after application of mapping algorithm

From: Taking action to advance the study of race and ethnicity: the Women’s Health Initiative (WHI)

N = 161,808 As collected on Form 41 or Form 2
N
Mapped value after algorithm application
N
Ethnicity: Spanish/Hispanic/Latino
No, Not Spanish/Hispanic/Latino 131,017 153,034
Did not complete 2003 WHI Form/White or Black on baseline WHI Form 22,017
Yes, Puerto Rican 779 779
Yes, Mexican, Mexican American, Chicano 2693 2693
Yes, Cuban 396 396
Yes, Other Spanish/Hispanic/Latina 1888 1888
Yes, Unspecified Spanish/Hispanic/Latina (Did not complete 2003 WHI Form/Hispanic on baseline WHI Form) 1556 1556
Unknown (Did not complete 2003 WHI Form/Not White/Black/Hispanic on baseline Form) 1379 1379
Unknown (Did not complete2003 or baseline Forms) 83 83
Total 161,808 161,808
Race:
One reported race 134,836 157,582
 White 119,492 137,628
 Black, African American, or Negro 10,650 14,327
American Indian or Alaska Native 354 540
Asian (combining #4–10 from 2003 Form) 3278 4025
Asian Indian 83 83
Chinese 747 747
Filipino 321 321
Japanese 1962 1962
Korean 91 91
Vietnamese 10 10
Other Asian 64 64
Unspecified Asian (Did not complete 2003 Form/Asian or Pacific Islander, baseline form) 747 747
Pacific Islander (#11–15 from 2003 Form) 137 137
Native Hawaiian 97 97
Guamanian or Chamorro 10 10
Samoan 2 2
Other Pacific Islander 28 28
Some other race 925 925
More than one race 1880 1880
Unknown (Did not complete 2003 /White, Black, Asian/ PI, American Indian/Alaskan Native on baseline form) 24,661 In one of above categories
Unknown (Did not complete 2003 Form/ Hispanic or Other on baseline form) 2264 2346
Unknown (Did not complete2003 or baseline Forms) 82
Total 161,808 161.808