| Level/ Type |
Status |
Code |
Description |
| 0‑L |
Draft
|
001
|
Minimum age of examined subjects |
| 0‑L |
Draft
|
002
|
Maximum age of examined subjects |
| 0‑L |
Draft
|
003
|
Case-only |
| 0‑L |
Draft
|
004
|
Case-cohort |
| 0‑L |
Draft
|
005
|
Trend |
| 0‑L |
Draft
|
006
|
Cross-section ad-hoc follow-up |
| 0‑L |
Draft
|
007
|
Quality control studies |
| 0‑L |
Draft
|
008
|
Respondent-driven sampling |
| 0‑L |
Draft
|
009
|
Data dictionary |
| 0‑L |
Draft
|
010
|
Analytic code |
| 0‑L |
Draft
|
011
|
Codebook |
| 0‑L |
Draft
|
012
|
Outcomes assessor |
| 0‑L |
Draft
|
013
|
All rights reserved |
| 0‑L |
Draft
|
014
|
Intervention ongoing |
| 0‑L |
Draft
|
015
|
Intervention completed, follow-up ongoing |
| 0‑L |
Draft
|
016
|
Interview schema and themes |
| 0‑L |
Draft
|
017
|
Observation guide |
| 0‑L |
Draft
|
018
|
Discussion guide |
| 0‑L |
Draft
|
019
|
Participant tasks |
| 0‑L |
Draft
|
020
|
Other data collection instrument |
| 0‑L |
Draft
|
021
|
Other study document |
| 0‑L |
Draft
|
022
|
Not yet recruiting |
| 0‑L |
Draft
|
023
|
Enrolling by invitation |
| 0‑L |
Draft
|
024
|
Active, not recruiting |
| 0‑L |
Draft
|
025
|
Withdrawn |
| 0‑L |
Draft
|
026
|
Request for approval not yet submitted |
| 0‑L |
Draft
|
027
|
Study withdrawn prior to decision on approval |
| 0‑L |
Draft
|
028
|
Administrative databases |
| 0‑L |
Draft
|
029
|
Cognitive measurements |
| 0‑L |
Draft
|
030
|
Genealogical records |
| 0‑L |
Draft
|
031
|
Imaging data |
| 0‑L |
Draft
|
032
|
Physiological/Biochemical measurements |
| 0‑L |
Draft
|
033
|
Omics technology |
| 0‑L |
Draft
|
034
|
Probability Sampling Method |
| 0‑L |
Draft
|
035
|
Mixed Probability and Non-Probability Sampling Method |
| 0‑L |
Draft
|
036
|
Total universe/Complete enumeration |
| 0‑L |
Draft
|
037
|
Primary Sponsor |
| 0‑L |
Draft
|
038
|
Data Collector |
| 0‑L |
Draft
|
039
|
Data Curator |
| 0‑D |
Rejected
|
code-40
|
|
| 0‑L |
Draft
|
041
|
Project Manager |
| 0‑L |
Draft
|
042
|
Project Member |
| 0‑L |
Draft
|
043
|
Related Person |
| 0‑L |
Draft
|
044
|
Rights Holder |
| 0‑L |
Draft
|
045
|
Work Packager Leader |
| 0‑L |
Draft
|
046
|
Public Funder |
| 0‑L |
Draft
|
047
|
Private Funder |
| 0‑L |
Draft
|
048
|
Research Group |
| 0‑L |
Draft
|
049
|
Hosting Institution |
| 0‑L |
Draft
|
050
|
Registration Agency |
| 0‑L |
Draft
|
051
|
Computational Notebook |
| 0‑L |
Draft
|
052
|
Data Paper |
| 0‑L |
Draft
|
053
|
Interactive Resource |
| 0‑L |
Draft
|
054
|
Output Management Plan |
| 0‑D |
Rejected
|
code-55
|
|
| 0‑L |
Draft
|
040
|
Project Leader |
| 0‑L |
Draft
|
055
|
A is cited by B |
| 0‑L |
Draft
|
code-58
|
A cites B |
| 0‑L |
Draft
|
057
|
A is supplemented by B |
| 0‑L |
Draft
|
058
|
A is continued by B |
| 0‑L |
Draft
|
059
|
A is described by B |
| 0‑L |
Draft
|
060
|
A describes B |
| 0‑L |
Draft
|
061
|
A is metadata for B |
| 0‑L |
Draft
|
062
|
A has version B |
| 0‑L |
Draft
|
063
|
A is version of B |
| 0‑L |
Draft
|
064
|
A is previous version of B |
| 0‑L |
Draft
|
065
|
A is part of B |
| 0‑L |
Draft
|
066
|
A is referenced by B |
| 0‑L |
Draft
|
067
|
A is documented by B |
| 0‑L |
Draft
|
068
|
A is compiled by B |
| 0‑L |
Draft
|
069
|
A compiles B |
| 0‑L |
Draft
|
070
|
A is variant form of B |
| 0‑L |
Draft
|
071
|
A is original form of B |
| 0‑L |
Draft
|
072
|
A is identical to B |
| 0‑L |
Draft
|
073
|
A is reviewed by B |
| 0‑L |
Draft
|
074
|
A reviews B |
| 0‑L |
Draft
|
075
|
A is source of B |
| 0‑L |
Draft
|
076
|
A is required by B |
| 0‑L |
Draft
|
077
|
A requires B |
| 0‑L |
Draft
|
078
|
A is obsoleted by B |
| 0‑L |
Draft
|
079
|
A obsoletes B |
| 0‑L |
Draft
|
080
|
ORCID |
| 0‑L |
Draft
|
081
|
ROR |
| 0‑L |
Draft
|
082
|
GRID |
| 0‑L |
Draft
|
083
|
ISNI |
| 0‑L |
Draft
|
084
|
Monocentric |
| 0‑L |
Draft
|
085
|
First submitted |
| 0‑L |
Draft
|
086
|
First posted |
| 0‑L |
Draft
|
087
|
Last update submitted |
| 0‑L |
Draft
|
088
|
Last update posted |
| 0‑L |
Draft
|
089
|
arXiv |
| 0‑L |
Draft
|
090
|
EAN13 |
| 0‑L |
Draft
|
091
|
EISSN |
| 0‑L |
Draft
|
092
|
ISBN |
| 0‑L |
Draft
|
093
|
ISSN |
| 0‑L |
Draft
|
094
|
ISTC |
| 0‑L |
Draft
|
095
|
LISSN |
| 0‑L |
Draft
|
096
|
PURL |
| 0‑L |
Draft
|
097
|
w3id |
| 0‑L |
Draft
|
098
|
DRKS |
| 0‑L |
Draft
|
099
|
ISRCTN |
| 0‑L |
Draft
|
100
|
EUDAMED |
| 0‑L |
Draft
|
101
|
UTN |
| 0‑L |
Draft
|
102
|
KonsortSWD |
| 0‑L |
Draft
|
103
|
MDM Portal |
| 0‑L |
Draft
|
104
|
NFDI4Health |
| 0‑L |
Draft
|
105
|
diverse |
| 0‑L |
Draft
|
106
|
NCT (ClinicalTrials.gov) |
| 0‑L |
Draft
|
107
|
EudraCT |
| 0‑L |
Draft
|
108
|
A is supplement to B |
| 0‑L |
Draft
|
109
|
A continues B |
| 0‑L |
Draft
|
110
|
A has metadata B |
| 0‑L |
Draft
|
111
|
A is new version of B |
| 0‑L |
Draft
|
112
|
A has part B |
| 0‑L |
Draft
|
113
|
A references B |
| 0‑L |
Draft
|
114
|
A documents B |
| 0‑L |
Draft
|
115
|
A is derived from B |
| 0‑L |
Draft
|
116
|
Self-report (questionnaires or interviews), cases verified |
| 0‑L |
Draft
|
117
|
Self-report (questionnaires or interviews), cases not verified |
| 0‑L |
Draft
|
118
|
24-h dietary recall |
| 0‑L |
Draft
|
119
|
Proxy-administered |
| 0‑L |
Draft
|
120
|
Food record |
| 0‑L |
Draft
|
121
|
Described portion sizes |
| 0‑L |
Draft
|
122
|
Picture book/visual aids |
| 0‑L |
Draft
|
123
|
Weighing |
| 0‑L |
Draft
|
124
|
Volume measures |
| 0‑L |
Draft
|
125
|
Online questionnaire |
| 0‑L |
Draft
|
126
|
Cluster |
| 0‑L |
Draft
|
127
|
Cluster: Simple random |
| 0‑L |
Draft
|
128
|
Cluster: Stratified random |
| 0‑L |
Draft
|
129
|
Screener |
| 0‑L |
Draft
|
130
|
Interventional |
| 0‑L |
Draft
|
131
|
Non-interventional |
| 0‑L |
Draft
|
132
|
Vaccine and biological substance (Pharmacologic Substance) |
| 0‑L |
Draft
|
133
|
Single Group |
| 0‑L |
Draft
|
134
|
Parallel |
| 0‑L |
Draft
|
135
|
Crossover |
| 0‑L |
Draft
|
136
|
Factorial |
| 0‑L |
Draft
|
137
|
Sequential |
| 0‑L |
Draft
|
138
|
Other (interventional) |
| 0‑L |
Draft
|
139
|
Unknown (interventional) |
| 0‑L |
Draft
|
140
|
Case-control |
| 0‑L |
Draft
|
141
|
Nested case-control |
| 0‑L |
Draft
|
142
|
Case-crossover |
| 0‑L |
Draft
|
143
|
Ecologic or community studies |
| 0‑S |
Draft
|
144
|
Family-based |
| 1‑L |
Draft
|
161
|
Conditions related to sexual health |
| 0‑L |
Draft
|
145
|
Twin study |
| 0‑L |
Draft
|
146
|
Cohort |
| 0‑L |
Draft
|
147
|
Birth cohort |
| 0‑L |
Draft
|
148
|
Panel |
| 0‑L |
Draft
|
149
|
Longitudinal |
| 0‑L |
Draft
|
150
|
Cross-section |
| 0‑L |
Draft
|
151
|
Time series |
| 0‑L |
Draft
|
152
|
Registry |
| 0‑L |
Draft
|
153
|
Other (non-inverventional) |
| 0‑L |
Draft
|
154
|
Unknown (non interventional) |
| 0‑L |
Draft
|
155
|
Retrospective |
| 0‑L |
Draft
|
156
|
Prospective |
| 0‑L |
Draft
|
157
|
Nonrandomized |
| 0‑L |
Draft
|
158
|
Not applicable (for single-arm trials) |
| 0‑L |
Draft
|
159
|
Randomized |
| 0‑L |
Draft
|
160
|
Non-probability |
| 0‑L |
Draft
|
162
|
Cross-sectional (timePerspectives) |
| 0‑L |
Draft
|
163
|
Other (timePerspectives) |
| 0‑L |
Draft
|
164
|
Other (method) |
| 0‑L |
Draft
|
165
|
Unknown (method) |
| 0‑L |
Draft
|
166
|
Not applicable (method) |
| 0‑L |
Draft
|
167
|
Simple random |
| 0‑L |
Draft
|
168
|
Systematic random |
| 0‑L |
Draft
|
169
|
Stratified |
| 0‑L |
Draft
|
170
|
Stratified: Proportional |
| 0‑L |
Draft
|
171
|
Stratified: Disproportional |
| 0‑L |
Draft
|
172
|
Multistage |
| 0‑L |
Draft
|
173
|
Quota |
| 0‑L |
Draft
|
174
|
Purposive |
| 0‑L |
Draft
|
175
|
Availability |
| 0‑L |
Draft
|
178
|
Secondary data source
|
| 0‑L |
Draft
|
179
|
Biobank
|
| 0‑L |
Draft
|
180
|
Not assigned
|
| 0‑D |
Rejected
|
181
|
A is cited by B
|
| 0‑D |
Rejected
|
182
|
A cites B
|
| 0‑D |
Rejected
|
183
|
A has metadata B
|
| 0‑D |
Rejected
|
184
|
A is metadata for B
|
| 0‑D |
Rejected
|
185
|
A is referenced by B
|
| 0‑D |
Rejected
|
186
|
A references B
|
| 0‑D |
Rejected
|
187
|
A is documented by B
|
| 0‑D |
Rejected
|
188
|
A documents B
|
| 0‑D |
Rejected
|
189
|
A is compiled by B
|
| 0‑D |
Rejected
|
190
|
A compiles B
|
| 0‑D |
Rejected
|
191
|
A is reviewed by B
|
| 0‑D |
Rejected
|
192
|
A reviews B
|
| 0‑D |
Rejected
|
193
|
A is required by B
|
| 0‑D |
Rejected
|
194
|
A requires B
|
| 0‑L |
Draft
|
196
|
ICD-11
|
| 0‑L |
Draft
|
197
|
Face-to-face interview
|
| 0‑L |
Draft
|
198
|
Conference paper
|
| 0‑L |
Draft
|
199
|
One data provider
|
| 0‑L |
Draft
|
200
|
Several data providers
|