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Table A-11. Imputation for postdoctoral appointees in science, engineering, and health fields, by citizenship, ethnicity, race, and sex: 2015

Citizenship, ethnicity, and race Total Male Female
Imputation rate (%)
All postdoctoral appointees 2.3 4.0 3.8
U.S. citizens and permanent residentsb
Hispanic or Latino 3.7 3.2 4.2
Not Hispanic or Latino
American Indian or Alaska Native 3.5 0.0 6.7
Asian 4.1 3.5 4.8
Black or African American 5.6 6.2 5.1
Native Hawaiian or Other Pacific Islander 4.9 7.9 2.3
White 3.1 2.9 3.3
More than one race 3.8 4.6 4.1
Unknown ethnicity and race 5.1 10.7 9.6
Temporary visa holders 3.7 3.7 4.1
Number imputeda
All postdoctoral appointees 1,461 1,561 971
U.S. citizens and permanent residentsb
Hispanic or Latino 56 24 33
Not Hispanic or Latino
American Indian or Alaska Native 3 0 3
Asian 210 96 114
Black or African American 59 29 30
Native Hawaiian or Other Pacific Islander 4 3 1
White 533 274 261
More than one race 15 9 8
Unknown ethnicity and race 166 193 137
Temporary visa holders 1,315 846 491
a This table reports the sum of counts imputed in each of these cells/variables. Because some units report totals without complete details, the sum of the imputed details will often be higher than the related total.
b Ethnicity and race data are available only for U.S. citizens and permanent residents.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Graduate Students and Postdoctorates in Science and Engineering, 2015.