Filters

Visit Timepoint

Biospecimen Type

DNA-Saliva: 1 unit = 2µg

DNA-Whole Blood: 1 unit = 5µg

Serum: 1 unit = 200µl

Saliva: 1 unit = 100µl

Tooth: 1 unit = each

Whole Blood: 1 unit = 200µl

Plasma: 1 unit = 200µl

Participant Sex

Participant Race

Participant Ethnicity

The table below displays the number of participants with given biospecimens types per visit timepoint. Select and apply filters to customize the display. (Refer to the "Biospecimens Collected in the ABCD Study, by Visit Timepoint" table in User Guides as needed.)

An approved DUC is required to search by Participant ID or to select from grouping with fewer than 10 participants