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NCSES GSS 2012 DST 7 SAS Output
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Table A-7. Imputation for nonresponse in doctorate-granting institutions, by field and graduate enrollment or postdoctoral status: 2010–12

  Total in survey Number imputed Imputation rate (%)
Year and field Organizational
units in
universe
Full-time
student
Part-time
student
Post-
doctorate
Full-time
student
Part-time
student
Post-
doctorate
Full-time
student
Full-time
student
Full-time
student
Fall 2012, all surveyed fields 12,567 433,177 138,401 62,764 4,659 2,073 2,598 1.1 1.5 4.1
    Science and engineering 9,857 392,563 120,643 43,765 3,980 1,866 1,592 1.0 1.5 3.6
        Science 7,999 285,611 85,262 36,667 2,851 1,232 1,295 1.0 1.4 3.5
            Agricultural sciences 462 10,815 4,411 1,285 2 0 26 0.0 0.0 2.0
            Biological sciences 2,352 61,061 9,935 20,065 589 48 698 1.0 0.5 3.5
            Communication 186 6,175 2,756 58 0 0 4 0.0 0.0 6.9
            Computer sciences 442 31,739 14,808 757 586 352 17 1.8 2.4 2.2
            Earth, atmospheric, and ocean sciences 416 12,199 2,970 1,947 174 103 92 1.4 3.5 4.7
            Family and consumer sciences/human sciences 95 2,169 1,419 58 0 0 3 0.0 0.0 5.2
            Mathematical sciences 451 18,192 4,387 900 120 77 47 0.7 1.8 5.2
            Multidisciplinary/interdisciplinary studies 340 3,807 1,743 741 76 1 3 2.0 0.1 0.4
            Neuroscience 165 4,333 214 1,524 0 0 27 0.0 0.0 1.8
            Physical sciences 679 35,282 3,555 7,408 28 10 270 0.1 0.3 3.6
            Psychology 663 32,830 11,622 1,126 262 69 93 0.8 0.6 8.3
            Social sciences 1,748 67,009 27,442 798 1,014 572 15 1.5 2.1 1.9
        Engineering 1,858 106,952 35,381 7,098 1,129 634 297 1.1 1.8 4.2
            Aerospace engineering 61 3,767 1,219 170 138 77 6 3.7 6.3 3.5
            Agricultural engineering 41 1,250 294 133 0 0 6 0.0 0.0 4.5
            Architecture 55 2,037 303 6 0 0 1 0.0 0.0 16.7
            Biomedical engineering 141 7,931 1,154 1,161 0 0 11 0.0 0.0 0.9
            Chemical engineering 148 8,014 1,128 1,098 0 0 27 0.0 0.0 2.5
            Civil engineering 253 14,117 4,693 589 0 0 19 0.0 0.0 3.2
            Electrical engineering 285 30,528 9,862 1,152 306 153 47 1.0 1.6 4.1
            Engineering science 61 1,673 500 292 43 24 0 2.6 4.8 0.0
            Industrial engineering 163 7,744 5,831 127 476 286 1 6.1 4.9 0.8
            Mechanical engineering 212 16,701 5,527 983 140 80 89 0.8 1.4 9.1
            Metallurgical/materials engineering 144 6,088 829 852 26 14 26 0.4 1.7 3.1
            Mining engineering 18 240 115 5 0 0 1 0.0 0.0 20.0
            Nuclear engineering 28 1,162 351 120 0 0 9 0.0 0.0 7.5
            Petroleum engineering 19 1,287 233 53 0 0 0 0.0 0.0 0.0
            Engineering, nec 229 4,413 3,342 357 0 0 54 0.0 0.0 15.1
    Health 2,710 40,614 17,758 18,999 679 207 1,006 1.7 1.2 5.3
        Clinical medicine 1,859 16,645 8,690 16,356 481 123 873 2.9 1.4 5.3
        Other health 851 23,969 9,068 2,643 198 84 133 0.8 0.9 5.0

Fall 2011, all surveyed fields
12,419 430,623 139,911 62,545 4,659 2,073 2,598 1.1 1.5 4.2
    Science and engineering 9,685 388,995 122,764 44,035 3,980 1,866 1,592 1.0 1.5 3.6
        Science 7,862 283,914 87,919 37,255 2,851 1,232 1,295 1.0 1.4 3.5
            Agricultural sciences 456 10,889 4,189 1,254 2 0 26 0.0 0.0 2.1
            Biological sciences 2,306 59,764 9,922 21,082 589 48 698 1.0 0.5 3.3
            Communication 182 6,053 2,949 65 0 0 4 0.0 0.0 6.2
            Computer sciences 437 30,407 15,713 756 586 352 17 1.9 2.2 2.2
            Earth, atmospheric, and ocean sciences 409 11,973 2,914 1,767 174 103 92 1.5 3.5 5.2
            Family and consumer sciences/human sciences 95 2,348 1,442 52 0 0 3 0.0 0.0 5.8
            Mathematical sciences 452 17,587 4,380 828 120 77 47 0.7 1.8 5.7
            Multidisciplinary/interdisciplinary studies 313 3,790 1,995 704 76 1 3 2.0 0.1 0.4
            Neuroscience 163 3,909 179 1,398 0 0 27 0.0 0.0 1.9
            Physical sciences 669 35,056 3,600 7,459 28 10 270 0.1 0.3 3.6
            Psychology 659 33,496 12,112 1,117 262 69 93 0.8 0.6 8.3
            Social sciences 1,721 68,642 28,524 773 1,014 572 15 1.5 2.0 1.9
        Engineering 1,823 105,081 34,845 6,780 1,129 634 297 1.1 1.8 4.4
            Aerospace engineering 60 4,200 1,405 202 138 77 6 3.3 5.5 3.0
            Agricultural engineering 43 1,372 283 129 0 0 6 0.0 0.0 4.7
            Architecture 58 2,754 331 16 0 0 1 0.0 0.0 6.3
            Biomedical engineering 139 7,847 1,227 1,069 0 0 11 0.0 0.0 1.0
            Chemical engineering 146 7,594 1,147 1,137 0 0 27 0.0 0.0 2.4
            Civil engineering 248 13,898 4,630 551 0 0 19 0.0 0.0 3.4
            Electrical engineering 280 29,600 9,800 1,035 306 153 47 1.0 1.6 4.5
            Engineering science 56 1,545 509 280 43 24 0 2.8 4.7 0.0
            Industrial engineering 163 7,737 5,683 121 476 286 1 6.2 5.0 0.8
            Mechanical engineering 206 15,758 5,230 885 140 80 89 0.9 1.5 10.1
            Metallurgical/materials engineering 141 5,839 740 859 26 14 26 0.4 1.9 3.0
            Mining engineering 19 412 86 4 0 0 1 0.0 0.0 25.0
            Nuclear engineering 27 1,165 334 111 0 0 9 0.0 0.0 8.1
            Petroleum engineering 18 1,057 235 35 0 0 0 0.0 0.0 0.0
            Engineering, nec 219 4,303 3,205 346 0 0 54 0.0 0.0 15.6
    Health 2,734 41,628 17,147 18,510 679 207 1,006 1.6 1.2 5.4
        Clinical medicine 1,888 17,315 8,043 16,161 481 123 873 2.8 1.5 5.4
        Other health 846 24,313 9,104 2,349 198 84 133 0.8 0.9 5.7

Fall 2010, all surveyed fields
12,276 433,252 142,533 63,326 4,659 2,073 2,598 1.1 1.5 4.1
    Science and engineering 9,482 386,384 121,730 44,213 3,980 1,866 1,592 1.0 1.5 3.6
        Science 7,661 279,950 86,362 37,250 2,851 1,232 1,295 1.0 1.4 3.5
            Agricultural sciences 445 10,505 4,056 1,184 2 0 26 0.0 0.0 2.2
            Biological sciences 2,279 60,028 9,494 21,677 589 48 698 1.0 0.5 3.2
            Communication 167 5,588 2,631 62 0 0 4 0.0 0.0 6.5
            Computer sciences 439 30,080 15,780 760 586 352 17 1.9 2.2 2.2
            Earth, atmospheric, and ocean sciences 407 11,868 2,888 1,738 174 103 92 1.5 3.6 5.3
            Family and consumer sciences/human sciences 87 2,118 1,373 30 0 0 3 0.0 0.0 10.0
            Mathematical sciences 450 16,917 4,413 787 120 77 47 0.7 1.7 6.0
            Multidisciplinary/interdisciplinary studies 302 4,482 2,260 784 76 1 3 1.7 0.0 0.4
            Neuroscience 107 2,682 116 837 0 0 27 0.0 0.0 3.2
            Physical sciences 664 34,280 3,591 7,559 28 10 270 0.1 0.3 3.6
            Psychology 657 33,566 11,680 1,123 262 69 93 0.8 0.6 8.3
            Social sciences 1,657 67,836 28,080 709 1,014 572 15 1.5 2.0 2.1
        Engineering 1,821 106,434 35,368 6,963 1,129 634 297 1.1 1.8 4.3
            Aerospace engineering 62 4,187 1,287 212 138 77 6 3.3 6.0 2.8
            Agricultural engineering 36 1,198 259 119 0 0 6 0.0 0.0 5.0
            Architecture 83 5,959 688 10 0 0 1 0.0 0.0 10.0
            Biomedical engineering 143 7,375 1,064 1,023 0 0 11 0.0 0.0 1.1
            Chemical engineering 148 7,472 1,101 1,077 0 0 27 0.0 0.0 2.5
            Civil engineering 257 13,719 4,780 570 0 0 19 0.0 0.0 3.3
            Electrical engineering 266 28,605 10,004 1,095 306 153 47 1.1 1.5 4.3
            Engineering science 47 1,478 542 235 43 24 0 2.9 4.4 0.0
            Industrial engineering 161 7,829 6,107 151 476 286 1 6.1 4.7 0.7
            Mechanical engineering 210 16,257 5,262 1,018 140 80 89 0.9 1.5 8.7
            Metallurgical/materials engineering 129 5,519 697 840 26 14 26 0.5 2.0 3.1
            Mining engineering 19 353 55 4 0 0 1 0.0 0.0 25.0
            Nuclear engineering 26 1,123 336 107 0 0 9 0.0 0.0 8.4
            Petroleum engineering 18 1,058 231 44 0 0 0 0.0 0.0 0.0
            Engineering, nec 216 4,302 2,955 458 0 0 54 0.0 0.0 11.8
    Health 2,794 46,868 20,803 19,113 679 207 1,006 1.4 1.0 5.3
        Clinical medicine 1,888 16,852 7,216 16,514 481 123 873 2.9 1.7 5.3
        Other health 906 30,016 13,587 2,599 198 84 133 0.7 0.6 5.1

nec = not elsewhere classified.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, NSF-NIH Survey of Graduate Students and Postdoctorates in Science and Engineering.
Data from survey cycle Fall 2012, as of December 2013.