| 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 Withdrawn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 Study withdrawn prior to decision on approval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
|