Barriers/Facilitators and Care Coordination of Native Hawaiians & Kidney Disease

Overview

Native Hawaiians (NH) are 9.5 times more likely to be on dialysis or need a kidney transplant compared to Whites. They have the highest end-stage kidney disease (ESKD) incidence rates in the nation, begin dialysis at younger ages (30-50 years), and one of the most under-studied racial/ethnic groups in chronic kidney disease (CKD) research. This project's outcome is to improve kidney disease follow-up among early stage NHs at high risk by aligning health equity with a culturally appropriate care coordination systems model.

SPECIFIC AIMS Native Hawaiians (NH) are 9.5 times more likely to be on dialysis or need a kidney transplant as compared to those who identify race as White. NH have the highest rates of end-stage kidney disease in the United States (US) and begin dialysis at younger ages (30-50 years). NHs are also at high risk for diabetes, hypertension, cardiovascular disease, stroke, \& obesity which intersects with kidney disease. NHs are also one of the most under-studied racial/ethnic groups in chronic kidney disease (CKD) research.4 Therefore, there is a is critical need to examine and address kidney health disparities and inequities in the NH population. This multi-disciplinary scientific team has conducted cross-sectional epidemiological early CKD studies over a 10-year period of time among NHs who participated in the National Kidney Foundation of Hawaii (NKFH) Kidney Early Detection \& Screening (KEDS) Program. Our findings indicate NHs have a heightened risk of end stage kidney disease based on biological and clinical risk factors5 using CKD biomarkers (i.e. lab tests for estimated glomerular filtration rate (eGFR↓) and urinary albumin creatinine ratio (UACR↑). These tests are indicators of abnormal kidney function and damage. One of the US Healthy People 2030 goals is to increase the proportion of older adults with CKD to obtain recommended screening tests (eGFR, UACR) to identify CKD in the early stages. The NKFH KEDS program provides a comprehensive community early detection screening program where participants are sent their screening lab results and are asked to share these results with their primary care provider (PCP). Our previous research has highlighted significant gaps related to participant follow-up with their PCP. Therefore, using the NIMHD Framework adapted to reflect social and cultural influences of NH health focused on family and community support/resources, access to cultural institutions and practice, and access to services to optimal health and well-being, the overall goal of this study is to develop a culturally-informed care coordination model between NKFH KEDS NH participants and NKFH and PCP staff to improve screening follow-up. Our central hypothesis is that a theoretically-driven, culturally-informed, care coordination model will not improve follow-up for eGFR \& UACR. To address this gap, this innovative study aims to adapt the abridged version of the Consolidated Framework for Implementation Research 2.0 framework named pragmatic context assessment tool (pCAT) for screening (eGFR, UACR) follow-up among NH adults in early stages of CKD. Specific Aims include: Aim 1: Understand barriers and facilitators associated with culturally informed care coordination and follow-up for eGFR \& UACR. First, we will conduct a formative evaluation on the barriers \& facilitators of NKFH KEDS NH participants (n=25) and NKFH (n=15) and PCP (n=10) staff) and reach consensus by all (NH participants, NKFH and PCP staff, and a NH advisory group) of a feasible intervention - (1) NKFH KEDS NH participants, using the pCAT survey and interview and (2) NKFH and PCP staff, using the same pCAT18 survey and interview. NH participants (n=25) will be: (1) aged 18 years and older, (2) with eGFR \< 60 ml/min/1.73m2 (Stage 3a-3b CKD) and/or ≥30 UACR, (3) have participated in the NKFH KEDS Program within 3 months, and (4) able to read, write, and speak English. NKFH (n=15) and PCP (n=10) staff's inclusion criteria include: (1) able to read, write \& speak English and (2) aged 18 years and older. Three PCP sites will be selected due to high enrollment of NH patients in their practice. Consensus of key barriers/facilitators and contextual factors that will drive the intervention selection will be completed based on the evaluation results. The research team will summarize the literature on the implementation strategies, suggest strategies and reach consensus for a selected intervention by the end of study year 1. The advisory group will be made up of members from 3 NH non-profit organizations. Quantitative and qualitative analysis for the evaluation will be completed. Aim 2: Examine the acceptability and feasibility of a culturally-informed care coordination intervention. Second, we will evaluate our intervention by selecting one PCP site to receive usual care and other PCP site will receive the culturally informed care coordination intervention. The NKFH KEDS NH participants (n=25) and NKFH (n=5) and PCP (n=5) staff (for each, control and intervention group) will be interviewed using the pCAT18 individual survey and interview evaluation and outcomes20 of our intervention in the first 6 months of study year 2. Finally, both quantitative and qualitative analysis will be used to examine the acceptability and feasibility of the intervention in the second half of year 2. The long-term goal of this project is to improve CKD rescreening among early stage high-risk NHs by aligning health equity with a culturally appropriate care coordination systems model. To reach this goal, results from this NIH R21 project will provide the foundation for a pilot study for an NIH R34 IRINAH. This project has the potential for dissemination to other primary care provider offices and organizations - federally qualified community centers, and hospital clinics to increase re-screening rates among high risk NHs in the early stages of CKD between community and primary care provider follow-up.

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