APPENDIX E
Table



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From Scarcity to Visibility: Gender Differences in the Careers of Doctoral Scientists and Engineers APPENDIX E Table

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From Scarcity to Visibility: Gender Differences in the Careers of Doctoral Scientists and Engineers TABLE E-1 Regression Estimates of Log of Salary by Years for Tenure-Track Faculty at Research Universities, by Sex and Year of Survey   1979 1989 1995 Variable   Men Women Men Women Men Women Years since Ph.D. :in years b 0.012 0.014 0.009 0.015 0.009 0.014 t 24.58 10.33 15.37 13.18 15.03 11.62 Years squared. :in years squared b –8.1E-05 –0.00014 –0.000082 –0.00024 –8.3E-05 –0.00016 t 7.06 3.58 6.15 8.11 6.25 5.56 Is Assistant Professor? :binary b –0.344 –0.348 –0.344 –0.346 –0.338 –0.331 t 88.29 34.94 77.86 41.57 63.86 36.41 Is Associate Professor? :binary b –0.212 –0.192 –0.244 –0.208 –0.261 –0.255 t 86.66 24.83 91.38 35.55 83.7 39.14 Missing data on Ph.D. quality? :binary b –0.002 –0.012 0.039 0.032 0.103 0.153 t 0.52 0.84 7.94 2.83 16.02 10.93 Ph.D. quality. :1–5 b 0.004 –0.01 0.013 0.01 0.018 0.039 t 3.63 2.83 10.91 3.64 10.98 11.08 Ph.D. in engineering? :binary b 0.08 0.096 0.201 0.254 0.08 0.086 t 30.43 4.56 72.43 22.85 25.28 7.99 Ph.D. in mathematics? :binary b 0.027 0.034 0.1 0.099 –0.021 0.004 t 8.35 2.88 27.97 10.63 5.34 0.33 Ph.D. in physical sciences? :binary b 0.018 0.001 0.039 0.011 –0.035 –0.125 t 6.29 0.11 12.65 1.2 9.83 12.17 Ph.D. in social/behavioral science? :binary b 0.055 0.025 0.059 0.015 –0.038 –0.067 t 21.03 3.42 21.77 2.69 12.32 11.94 Elapsed time to Ph.D. >10? :binary b 0.034 0.027 0.025 0.04 0.025 0.021 t 10.78 4.16 7.46 7.81 6.3 3.65 Data on elapsed time is missing? :binary b 0.036 –0.017 0.063 0.063 0.029 0.005 t 11.98 1.65 17.66 7.29 7.23 0.64

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From Scarcity to Visibility: Gender Differences in the Careers of Doctoral Scientists and Engineers Job in private university? :binary b 0.001 –0.003 0.087 0.037 0.112 0.071 t 0.25 0.52 36.72 8.03 40.82 13.25 Job in Research I School? :binary b 0.023 0.017 0.061 0.008 0.08 0.064 t 12.41 2.85 28.12 1.69 28.98 11.28 Prestige of employing department. :1–5 b 0.004 0.015 0.008 0.026 0.006 0 t 2.57 3.4 5.35 7.24 6.67 0.05 Prestige is missing? :binary b 0.039 0.056 0.027 0.123 0 0 t 8.68 3.91 5.52 10.44 . . Number of publications. b 0.002 0.002 0.005 0.004 0.003 0.004 t 20.77 4.58 46.8 12.19 32.13 18.36 Constant b 3.987 3.972 4.04 3.967 3.956 3.827 t 510.86 174 .48 445.44 201.32 378.69 194.97 Observations   39238 3005 50612 7580 52749 10187 R-squared 0.64 0.68 0.54 0.56 0.43 0.47 NOTE:: b=unstandardized regression coefficient; t=absolute value of t-statistics.