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Table A-12. Imputation for postdoctoral appointees in science, engineering, and health fields, by mechanism of support, source of support, and sex: 2016

Mechanism of support
All sources
Federal
Domestic
Foreign
Institutional
Self-support
Unknown
Male
Female
DOD
DOE
HHS
NASA
NSF
USDA
Other
NIH
Other
Imputation rate (%)
All postdoctoral appointees 3.0 10.8 8.7 8.7 12.1 4.2 9.8 10.5 20.7 11.4 7.7 6.0 10.8 11.3 3.2 3.3
Fellowships 14.8 31.6 50.0 13.5 2.3 4.5 20.5 62.5 20.6 14.0 11.5 7.3 na 35.3 14.5 15.2
Research grant 9.7 11.0 9.3 8.7 12.1 5.0 9.6 11.0 23.2 12.3 4.2 8.2 na 45.1 9.9 9.6
Traineeship 11.1 0.0 0.0 8.6 25.0 0.0 2.2 0.0 26.8 3.4 0.0 12.7 na 89.4 11.3 11.3
Other support 9.2 7.4 8.9 8.6 0.0 6.3 27.0 4.2 6.3 11.2 8.1 6.0 10.8 14.0 9.5 9.2
Number imputeda
All postdoctoral appointees 1,924 250 153 1,726 100 27 404 79 599 1,184 157 814 78 552 1,264 839
Fellowships 885 18 12 174 2 2 47 20 34 178 83 106 na 213 480 405
Research grant 3,917 245 156 1,368 79 29 358 71 547 767 28 408 na 478 2,528 1,456
Traineeship 418 0 0 218 20 0 1 0 30 14 0 59 na 76 212 214
Other support 1,325 2 5 23 0 1 34 3 16 279 49 400 78 436 810 544
na = not applicable; not asked because this support mechanism does not apply.
DOD = Department of Defense; DOE = Department of Energy; HHS = Department of Health and Human Services; NASA = National Aeronautics and Space Administration; NIH = National Institutes of Health; NSF = National Science Foundation; USDA = Department of Agriculture.
a This table reports the sum of counts imputed in each of these cells and variables. Because some units report totals without complete details, the sum of the imputed details will often be higher than the related total.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Graduate Students and Postdoctorates in Science and Engineering, 2016.