The COI is a composite index of children's neighborhood opportunity that contains data for every neighborhood (census tract) in the United States from every year for 2012 through 2021. It is comprised of 44 indicators in three domains (education, health and environment, and social and economic) and 14 subdomains.

2025年3月14日 · ABCD residential histories are considered sensitive personally identifiable information (PII). To ensure the privacy of ABCD participants, address data are not shared. Instead, external data are linked within ABCD’s secure environment to provide geocoded measures while safeguarding participant privacy.

COI 2.0 index data - Child Opportunity Levels, Scores and averaged z-scores for the overall index and three domains

The Child Opportunity Index 2.0 (COI 2.0) is a composite index measured at the census tract level that captures neighborhood resources and conditions that matter for children's healthy development in a single metric. The index focuses on contemporary features of neighborhoods that are affecting children.

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2025年2月6日 · In this study, we used the ABCD Study baseline data to characterize dimensions of neighborhood quality using the COI 2.0 and examined these factors’ associations with important external criteria, including child psychopathology and allied personality traits (e.g., impulsivity, behavioral approach).

2020年2月12日 · The Child Opportunity Index (COI) 2.0 measures neighborhood resources and conditions that matter for children’s healthy development. COI 2.0 allows us, for the first time, to compare the level of opportunity

Beginning with the ABCD 4.0 data release, the ABCD Study provides scores for the COI 2.0 overall index, and the three domain indices that comprise the overall index: (1) education (e.g., third grade reading and math proficiency, school poverty), (2) health and environment (e.g., access to green space and healthy food), and (3) social and ...

2024年11月5日 · This measure is based on the Childhood Opportunity Index (COI) available in the ABCD dataset, which reflects the broader social and educational context in which children are raised. Higher COI values indicate greater access to high-quality educational opportunities.

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