Release Notes & History🔗
Release 2.1🔗
Participants
3,605
Total Visits
8,415
V01: 3,545 | V02: 2,310 | V03: 1,398
V04: 679 | V05: 483
V04: 679 | V05: 483
By Sex
1,175 Unknown [V01]
1,159 F | 1,271 M [V02+]
2.1 New Instruments🔗
Release data now include the addition of the following instruments:
| Domain | Instrument | Construct |
|---|---|---|
| Behavior & Caregiver-Child Interaction | ERICA (mh_cg_erica{_rel}_3_9m; raw scores only) |
Emotional Regulation |
| Biospecimen & Omics | Olink Explore 384 Inflammation 1 Panel | Maternal Inflammation |
| Tabulated Imaging | MRI Data Summary Form | Pre-/Post-MRI Tech Checklist 2 |
| MRI Scan Session Summary Form | Pre-/Post-MRI Tech Checklist 1 |
2.1 Resolved Known Issues & Updates🔗
For Release 2.1, updates were applied to the data dictionary information available via query tools within the NBDC Data Access Platform and DEAP. For users who download tabulated data in their original BIDS folder structure (e.g. via the "All Study Data" option), note that the metadata within these JSON files do not yet contain these updates. This is planned for a future release.
A detailed summary of differences between the online data dictionaries and JSON file data is available here.
= Resolved Known Issue = Completed Pending Update
| Topic/Instrument | Summary of Changes | |
|---|---|---|
| General | ||
| Language | Added language of administration across all instruments where applicable | |
| Administrative | ||
| Study Navigators | SUBSTANCE_USE and OTHER checkbox fields populated | |
| Behavior & Caregiver-Child Interaction | ||
| ECBQ | Coding for "Does not apply" changed to 8 to match the IBQ-R. | |
| Biospecimens & Omics | ||
| Nails | Added unit (mg) for nails_results_nail_weight variable. |
|
| Nails & Urine | Removed quotes in data dictionary level values causing double quotes in downloaded data, e.g. 1=""positive"" | |
| Urine | Added creatinine results (bio_creat_u). |
|
| Demographics | ||
| Basic Demo | Removed internal dictionary recruitment_site categories not present in data (30-32: Sampled, USDTL, and BAH) |
|
| Visit Info | New derived/rolled up substance use flag for Stimulants | |
| Visit Info | SU flags now include Nail toxicology results in addition to Urine | |
| EEG | ||
| HBCD-MADE | Added missing FACE/MMN tabulated data for N=3 V04 session derivatives | |
| .set files | Updated .set files to include subject release IDs | |
| MRI | ||
| Raw BIDS | Corrected 2 corrupted bold runs in V02 raw BIDs | |
| XCP-D | Corrected sub_domain values in tabulated XCP-D Myers-Labonte metadata to Structural MRI |
|
| BrainSwipes | Addition of complete BrainSwipes MRI QC results | |
| Neurocognition & Language | ||
| Vineland | Corrected subset of variables with typo in the spelling of "receptive" | |
| Bayley-4 | Added item-level scores | |
| SPM-2 | Added raw and T-scores | |
| Vineland | Added language field | |
| Physical Health | ||
| Growth | Added age-based z-scores to ph_ch_anthro |
|
| ecPROMIS-PAGS | Added scores to ph_cg_pms__pags |
|
| ecPROMIS-Sleep | Added ph_cg_pms__sleep summary scores |
|
| Pregnancy & Environmental Exposure | ||
| APA 1/2 | Removed APA L2 item data in cases where L2 was administered despite unmet gating criteria (missing L1 responses and scoring) | |
| Social & Environmental Determinants/td> | ||
| C-PACEs | Corrected summary scores | |
| Demographics (Adult) | Added V01 household income (income_002)Added Other Biological Parent information variables Added work_{002–004}_post (worked for pay + for X hours while pregnant)Added work_004__01 (job held ≥1 month since V01)Re-addition of variables sed_bm_demo_residence_{001|002}
|
|
2.1 Inclusion & Exclusion Criteria🔗
Participants🔗
- Only CH Profiles included — Exclusion by PSCID prefix (PI, QI, XI, YI)
- Only 'Active' participants included
- Only selected 'Multiple Birth' profiles are included (based on clean-up procedures)
- Only selected 'Postnatal Recruitment' profiles are included (based on clean-up procedures)
- No sites excluded as of 2.0
- Participant exclusion if 'Brain Rating' is 'Abnormal'
- Participant excluded due to 'Examiner' not 'REDCap' on REDCap surveys (possible modification of data between REDCap and LORIS, or data entered directly into LORIS)
Visits🔗
- Only data from visits whose status is set to 'LaunchPad Complete' up to '2025-07-01' for 2.0 release and '2026-07-01' for 3.0 release (YYYY-MM-DD)
- Forced insertion/exclusion of participants (based on 'LaunchPad Complete' date after July 1, 2024 exceptions granted for 1.0 release only)
Instruments🔗
- GABI Setup/Receipt —
nt_pa_gabi_{setup|rcpt} - NIH Baby Toolbox —
ncl_ch_nbtb - Participant & RA Feedback —
adm_cg_fb/adm_ra_fb - Urgent Events & Participant Alerts —
adm_fd_urgent/admin_alert
Variables🔗
- Informant (
informant), Validity (validity), Duration (duration), and Window Difference (window_difference) - Open text, descriptive, and line variables
- Impossible or selected Extreme/Outlier values filtered out
- Select Item/Score-level fields (hardcoded per instrument)
Release History🔗
Prior release notes are available via prior versions of this site as follows (also accessible via flyout menu).
| Version | Release Date | Release Notes |
|---|---|---|
| 2.0 | 2026-02-11 | View Release Notes |
| 1.1 | 2025-10-10 | View Release Notes |
| 1.0 | 2025-06-26 | View Release Notes |