Table A-13. Imputation for postdoctoral appointees in science, engineering, and health fields, by mechanism of support, citizenship, and type of doctoral degree: 2014
Source of support
All doctoral degree type
Doctoral degree
Professional degree
Dual degree
Doctoral degree type unknown
Imputation rate (%)
All postdoctoral appointees
3.2
6.0
4.7
9.7
10.5
Fellowships
15.6
9.5
3.8
12.8
35.6
Research grant
11.7
7.0
6.2
8.4
28.7
Traineeship
13.6
10.3
9.7
16.5
27.3
Other support
15.7
13.3
5.4
13.7
33.1
U.S. citizens and permanent residents
7.8
5.7
4.4
9.1
21.2
Foreign nationals with temporary visa
5.7
6.3
5.2
10.0
14.4
Number imputed
All postdoctoral appointees
2,057
2,682
208
107
1,400
Fellowships
1,020
365
31
22
602
Research grant
4,614
2,030
87
41
2,459
Traineeship
572
268
68
20
216
Other support
2,101
1,236
80
44
748
U.S. citizens and permanent residents
2,343
1,129
114
39
1,541
Foreign nationals with temporary visa
1,901
1,567
94
68
868
