Faculty, Staff and Student Publications

Language

English

Publication Date

12-2-2024

Journal

JAMA Network Open

DOI

10.1001/jamanetworkopen.2024.49672

PMID

39656457

PMCID

PMC11632545

PubMedCentral® Posted Date

12-10-2024

PubMedCentral® Full Text Version

Post-print

Abstract

Importance: Conclusions vary substantially among studies examining associations between area-based social determinants of health (SDOH) and pediatric health disparities based on the selected patient population and SDOH index. Most national studies use zip codes, which encompass a wide distribution of communities, limiting the generalizability of findings.

Objectives: To characterize the distributions of composite SDOH indices for pediatric surgical patients within a national sample of academic children's hospitals and to assess SDOH index precision in classifying patients at similar levels of disadvantage.

Design, setting, and participants: This multicenter retrospective cohort study included patients younger than 18 years who underwent surgery from January 1, 2016, to December 31, 2021, at 8 American College of Surgeons National Surgical Quality Improvement Program Pediatric children's hospitals. Data were analyzed November 15, 2023, to September 25, 2024.

Exposures: Exposures included the Social Vulnerability Index (SVI), Area Deprivation Index (ADI), and Child Opportunity Index (COI), which are composite scores of SDOH factors within a geographic area. A standardized, high-fidelity process was developed to link individual patients to SDOH indices at the US census tract and census block group level.

Main outcomes and measures: The primary outcome was composite SDOH index distribution, which was assessed using interrater reliability scores. Substantial agreement was defined as a Cohen κ statistic higher than 0.60.

Results: Of 55 865 included patients, 54.6% were male; 34.8% were infants and toddlers (0-3 years of age), 39.0% were school age (4-12 years), and 26.2% were adolescents (13-17 years). A total of 3468 patients (6.2%) could not be matched to either an SVI, ADI, or COI. Patients with missing geocodes were more likely to be Hispanic (20.1% vs 17.1%; P < .001) and have Medicaid insurance (48.1% vs 44.6%; P < .001) compared with patients with addresses that could be geocoded. With all institutions grouped, SDOH indices showed only minor variations. However, within each institution and among institutions, indices varied considerably, especially the ADI. Indices had low-to-fair interrater reliability within institutions (κ range, 0.15-0.33), indicating that each index classified individual patients differently according to disadvantage.

Conclusions and relevance: In this multicenter retrospective cohort study of 55 865 pediatric surgical patients, 3 different composite measures of SDOH classified disadvantage for individual patients differently. The SDOH index components should be understood and carefully considered prior to inclusion of a composite measure in the analysis of children's surgical outcomes.

Keywords

Humans, Social Determinants of Health, Child, Male, Female, Retrospective Studies, Child, Preschool, Adolescent, Infant, United States, Hospitals, Pediatric, Infant, Newborn, Surgical Procedures, Operative, Healthcare Disparities, Health Status Disparities

Published Open-Access

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