Table A-12. Imputation for postdoctoral appointees in science, engineering, and health fields, by mechanism of support, source of support, and sex: 2018
Mechanism of support
All sources
Federal
Domestic
Foreign
Institutional
Self-support
Unknown
Male
Female
DOD
DOE
HHS
NASA
NSF
USDA
Other
NIH
Other
Imputation rate (%)
All postdoctoral appointees
3.5
12.7
11.6
12.3
4.8
10.6
11.1
3.9
11.8
11.9
27.3
10.9
2.7
11.1
4.5
4.2
Fellowships
17.6
11.8
30.5
14.4
5.8
16.4
16.9
39.1
21.0
15.0
46.5
10.7
na
21.7
18.9
18.0
Research grant
13.8
14.1
12.8
13.1
4.8
11.5
11.8
4.9
13.2
14.1
15.7
11.0
na
54.3
13.9
13.8
Traineeship
16.6
17.4
0.0
15.8
1.5
0.0
30.0
0.0
23.5
13.8
34.5
10.1
na
66.4
17.5
15.7
Other support
11.4
6.3
5.4
3.0
16.7
0.0
9.8
0.0
23.1
10.4
15.0
13.4
2.7
11.2
11.6
11.9
Number imputeda
All postdoctoral appointees
2,254
294
202
2,381
36
71
390
31
336
1,192
467
1,607
26
591
1,733
1,109
Fellowships
1,282
16
18
212
6
10
36
18
54
224
290
209
na
191
781
568
Research grant
5,265
296
209
1,944
27
68
376
30
287
832
105
543
na
548
3,283
1,998
Traineeship
633
4
0
406
1
0
6
0
24
37
19
61
na
75
319
314
Other support
1,775
4
2
17
3
0
9
0
74
244
54
971
26
371
1,042
775
