CATS: Medications and supplements
| Relevant LifeCourse Constructs | Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025-Ongoing | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wave | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |
| Age | 8-9 years | 9-10 years | 10-11 years | 11-12 years | 12-13 years | 13-14 years | 14-15 years | 15-16 years | 16-17 years | 17-18 years | 18-19 years | 19-20 years | 20-21 years | 21-22 years | |
| N | Total: 1194 Substudy: 128  | 
                                            1158 | 1119 | 1068 | Total: 996 Substudy: 110  | 
                                            1001 | 900 | 856 | 848 | 833 | 832 | 879 | 900 | in progress | |
| History of medication use | P:CATS M P:CATS I | P:CATS M P:CATS I | P:CATS I | P:CATS I | |||||||||||
| Medications | P:CATS M P:CATS I | P:CATS I | P:CATS I | P:CATS I | P:CATS I | P:CATS I | S:CATS I | S:CATS I | S:CATS I | S:CATS I | S:CATS I | ||||
Featured measurements
Legend
- B
 = Biosample collected- BA
 = Biosample analysis- G
 = Grandparent(s) completed questionnaire- L
 = Data linkage- N
 = Nurse completed questionnaire- O
 = Observation or direct assessment- Of
 = Offspring completed questionnaire- P
 = Parent/guardian completed questionnaire- Pe
 = Peer completed questionnaire- R
 = Records abstraction- S
 = Self (primary participant) completed questionnaire- T
 = Teacher completed questionnaire- X
 = Other source- X F
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= Pertains to father - X Fam
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= Pertains to family - X G
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= Pertains to grandparent(s) - X I
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= Pertains to primary participant - X IP
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= Pertains to partner - X M
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= Pertains to mother - X O
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= Pertains to offspring - X P
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= Pertains to parent/guardian(s) - X Pe
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= Pertains to peers - X Si
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= Pertains to sibling(s) - X T
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= Pertains to teacher(s) - X X
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= Pertains to other reportees 
Metadata presented by LifeCourse provides a crucial first step in understanding the available data across studies. It does not take the place of detailed study documentation, which should always be consulted during design and analysis.