Skip to main content
. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Res Policy. 2020 Mar 14;49(4):103953. doi: 10.1016/j.respol.2020.103953

APPENDIX TABLE A1.

PROBIT REGRESSIONS ON EVER RECEIVING AN AWARD, 1996–2008

(1) (2) (3) (4)
Full sample Full sample Analysis sample Analysis sample
Review score −0.006
(0.000)		 −0.008
(0.000)
Age (missing = <26)
  Age = 27 −0.107
(0.024)		 −0.033
(0.030)		 −0.053
(0.036)		 0.021
(0.039)
  Age = 28 −0.040
(0.022)		 −0.031
(0.027)		 −0.034
(0.030)		 −0.028
(0.036)
  Age = 29 −0.056
(0.021)		 −0.022
(0.026)		 −0.050
(0.029)		 −0.016
(0.035)
  Age = 30 −0.061
(0.021)		 −0.013
(0.026)		 −0.041
(0.029)		 0.002
(0.034)
  Age = 31 −0.072
(0.020)		 −0.031
(0.026)		 −0.035
(0.029)		 0.024
(0.033)
  Age = 32 −0.088
(0.020)		 −0.039
(0.026)		 −0.060
(0.030)		 −0.005
(0.034)
  Age = 33 −0.086
(0.021)		 −0.017
(0.027)		 −0.045
(0.030)		 0.027
(0.033)
  Age = 34 −0.105
(0.021)		 −0.031
(0.027)		 −0.055
(0.031)		 0.016
(0.035)
  Age = 35 or 36 −0.149
(0.020)		 −0.035
(0.026)		 −0.057
(0.031)		 0.028
(0.034)
  Age = 37 or 38 −0.181
(0.020)		 −0.068
(0.027)		 −0.085
(0.034)		 0.014
(0.036)
  Age > 38 −0.248
(0.017)		 −0.104
(0.026)		 −0.137
(0.034)		 −0.019
(0.037)
Marital status (missing = not married)
  Married 0.009
(0.007)		 0.014
(0.008)		 0.016
(0.009)		 0.018
(0.010)
  Marital status missing 0.093
(0.062)		 0.057
(0.090)		 0.044
(0.085)		 0.086
(0.092)
Sex (missing = male)
  Female −0.010
(0.006)		 −0.008
(0.007)		 −0.009
(0.009)		 −0.006
(0.009)
  Sex missing −0.120
(0.014)		 −0.098
(0.017)		 −0.115
(0.023)		 −0.103
(0.026)
Race and ethnicity (missing = White, non-Hispanic)
  Black, non-Hispanic −0.156
(0.030)		 −0.099
(0.036)		 −0.146
(0.055)		 −0.103
(0.055)
  Asian, non-Hispanic −0.038
(0.011)		 −0.021
(0.013)		 −0.025
(0.016)		 −0.016
(0.017)
  Other race, non-Hispanic 0.135
(0.063)		 0.167
(0.078)		 0.064
(0.074)		 0.048
(0.074)
  Hispanic −0.022
(0.018)		 0.001
(0.021)		 0.014
(0.025)		 0.033
(0.025)
  Race missing 0.005
(0.008)		 0.013
(0.009)		 0.011
(0.010)		 0.016
(0.011)
MD 0.088
(0.030)		 0.033
(0.033)		 −0.009
(0.042)		 −0.019
(0.045)
MD/PhD 0.189
(0.031)		 0.098
(0.037)		 0.076
(0.039)		 0.016
(0.046)
PhD 0.126
(0.024)		 0.093
(0.027)		 0.060
(0.039)		 0.049
(0.041)
Biomedical science degree 0.145
(0.059)		 0.065
(0.086)		 0.041
(0.088)		 0.073
(0.101)
Physical science degree 0.107
(0.062)		 0.054
(0.090)		 0.052
(0.084)		 0.094
(0.089)
Social science degree 0.133
(0.062)		 0.022
(0.089)		 0.017
(0.087)		 0.031
(0.097)
Prior T32 Predoc Award 0.067
(0.022)		 −0.004
(0.025)		 −0.024
(0.026)		 −0.045
(0.028)
Prior T32 Postdoc Award −0.061
(0.022)		 −0.056
(0.025)		 −0.048
(0.031)		 −0.033
(0.033)
Prior NRSA Predoc Award −0.002
(0.140)		 0.128
(0.260)
Observations 27,504 25,719 14,268 14,268

Notes: Robust standard errors in parentheses. All specifications include controls for IC and council rounds.

Source: Authors’ calculations. IMPACII and NIH/NSF Survey of Earned Doctorates.