Baby's First Years (BFY), New York City, New Orleans, Omaha, and Twin Cities, 2018-2020

audio computer-assisted self interview (ACASI); computer-assisted personal interview (CAPI); computer-assisted telephone interview (CATI); coded on-site observation; coded video observation; face-to-face interviewPlease see the wave-specific User Guides, located under the "Data and Documentation" tab, for technical details and other characteristics of the data collection, including measures taken to maintain participant confidentiality.All papers resulting from the use of Baby's First Years data must be submitted to PubMed upon acceptance for publication. Publications must include the study citation and acknowledgment as worded in the Summary.