Newer information is available.
Table A-10. Imputation for full-time graduate students in science, engineering, and health fields, by mechanism of support, sex, and source of support: 2013
  HHS  
Mechanism of support and sex All
sources
DOD DOE NIH Other NASA NSF USDA Other
federal
Domestic Foreign Institutional Self-
support
Imputation rate (%)

    All full-time students
1.2 14.0 2.3 7.9 8.0 12.7 5.5 4.8 7.1 10.8 5.4 7.1 10.1
        Fellowship 6.2 10.2 2.4 5.9 9.8 8.0 4.7 2.2 4.7 14.0 5.3 5.7 na
        Research assistantship 7.9 12.1 2.5 8.5 7.8 14.2 5.8 5.3 7.4 10.3 2.1 8.3 na
        Teaching assistantship 7.5 na 3.3 na 4.3 4.3 15.8 15.0 8.0 13.7 4.2 7.4 na
        Traineeship 5.9 2.4 0.0 5.7 12.6 0.0 5.0 35.3 5.4 16.1 55.3 4.4 na
        Other support 9.9 26.6 10.0 6.3 6.0 11.8 3.7 3.4 10.7 10.3 7.4 8.3 10.1

        Male
1.6 14.6 2.4 8.1 5.4 14.5 6.0 5.3 7.0 11.1 5.1 7.1 9.9
        Female 1.5 12.5 2.5 8.8 9.9 8.1 5.0 4.4 7.5 10.4 6.0 7.4 10.2

Number imputed

    All full-time students
5,838 1,163 112 1,766 131 254 1,276 124 842 2,218 289 13,499 17,805
        Fellowship 2,687 53 5 107 15 26 252 2 71 430 78 1,654 na
        Research assistantship 9,160 752 112 1,302 83 224 977 125 575 1,427 35 3,756 na
        Teaching assistantship 6,673 na 2 na 3 1 51 9 31 139 4 6,446 na
        Traineeship 619 5 0 275 28 0 28 6 24 62 26 165 na
        Other support 20,872 356 4 33 8 4 11 2 183 227 158 2,060 17,805

        Male
3,996 946 91 882 38 207 925 68 494 1,380 180 7,351 8,833
        Female 3,273 228 27 1,011 93 47 398 57 360 843 112 6,314 8,980

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 = U.S. Department of Agriculture.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, NSF-NIH Survey of Graduate Students and Postdoctorates in Science and Engineering, 2013.
Data from survey cycle Fall 2013, as of 8 August 2014.