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OCR for page 307
From Scarcity to Visibility: Gender Differences in the Careers of Doctoral Scientists and Engineers
APPENDIX E
Table
OCR for page 308
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
OCR for page 309
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.
Representative terms from entire chapter:
missing elapsed