Datasets/Documentation

Current Datasets

PDF icon Log of Year-by-Year Exam Measurements - pdf (54 KB)

PDF icon Log of Year-by-Year Questionnaire Questions - pdf (249 KB)

Reliability and Reproducibility Studies

Dataset Documentation

Year 1 Data Code Book
Year 2 Data Code Book
Year 3 Data Code Book
Year 4 Data Code Book
Year 5 Data Code Book
Year 6 Data Code Book
Year 7 Data Code Book
Year 8 Data Code Book
Year 9 Data Code Book
Year 10 Data Code Book
Year 11 Data Code Book
Year 12 Data Code Book
Year 13 Data Code Book
Year 14 Data Code Book
Year 15 Quarterly Data Code Book
Year 16 Quarterly Data Code Book
Year 16 Data Code Book
Year 17 Quarterly Data Code Book
Biospecimens Assays Datasets
Genetics Datasets
Outcomes Datasets
Substudy Datasets