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Table A-15. Imputation for nonfaculty researchers in science, engineering, and health, by type of doctoral degree, and sex: 2013
Type of doctoral degree Total Male Female
Imputation rate (%)

    All nonfaculty researchers
9.4 9.9 9.1
        Doctoral degree 10.0 10.4 9.5
        Professional degree 13.2 14.6 11.7
        Dual degree 24.6 30.5 16.1
        Doctoral degree type unknown 5.5 4.7 6.9

Number imputed

    All nonfaculty researchers
2,112 1,347 808
        Doctoral degree 1,583 1,036 554
        Professional degree 231 131 100
        Dual degree 93 68 25
        Doctoral degree type unknown 252 120 136

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.