BFY study data are released at the item/variable level when the information is non-proprietary and HIPPA compliant. The BFY User Guides for each wave of data collection (found on this page and organized by wave) explain what's available and are a comprehensive information source that may be useful for you.
https://www.babysfirstyears.com/data-and-documentation
BFY study data are released at the item/variable level when the information is non-proprietary and HIPPA compliant. The BFY User Guides for each wave of data collection (found on this page and organized by wave) explain what's available and are a comprehensive information source that may be useful for you.