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The Relationship Between Racial/Ethnic Concordance and Hypertension Control
Francesca Adriano1, Raoul J Burchette2, Alyson C Ma3
1Kaiser Permanente San Diego Family Medicine Residency Program, Kaiser Permanente Southern California, San Diego, CA.
Insights
Racial and ethnic concordance between patients and providers is linked to better hypertension control. Longer relationships with primary care providers also improve blood pressure management, highlighting the importance of the patient-provider connection.
Area of Science:
- Health Services Research
- Health Disparities
- Cardiovascular Health
Background:
- Hypertension poses a significant economic burden due to its high healthcare costs.
- Understanding and improving hypertension control is crucial, especially concerning racial and ethnic disparities.
Purpose of the Study:
- To investigate the relationship between hypertension control and patient-provider racial/ethnic concordance.
- To determine if shared race/ethnicity between patient and provider predicts better high blood pressure control.
Main Methods:
- Analysis of data from 612,524 adult patients diagnosed with hypertension.
- Utilized multiple regression analysis to assess correlations between patient-provider concordance and hypertension control.
- Data collected from Kaiser Permanente Southern California between January 2016 and December 2019.
Main Results:
- Patient-provider concordance in language, gender, and race showed statistically significant positive correlations with hypertension control.
- Language concordance had the highest impact, followed by gender and then race.
- Asian patients experienced longer periods of hypertension control, while Black and Hispanic patients had less time in control.
Conclusions:
- Racial/ethnic concordance between patients and providers is correlated with hypertension control.
- Longer duration of care with the same primary care provider is positively associated with sustained hypertension control.
- The patient-provider relationship is a critical factor influencing health outcomes in hypertension management.
Introduction:
Given the increasing impact of the healthcare cost of hypertension on the economy, understanding the control of high blood pressure is warranted, particularly as it pertains to racial/ethnic disparities in hypertension control.
Objective:
To understand the relationship between hypertension control and racial/ethnic concordance, we investigated whether the racial/ethnic concordance between a patient's race/ethnicity and that of the individual's provider is a predictor of high blood pressure control.
Methods:
Data was collected for 612,524 patients from Kaiser Permanente Southern California who were at least 18 year old and received a diagnosis of hypertension between January 1, 2016 and December 31, 2019. A multiple regression analysis was carried out to assess the correlation between hypertension control and patient-provider concordance.
Results:
The independent variables proxying for patient-provider relationship are positive and statistically significant at the 5% level. Out of the 3 types of concordance, language has the highest standardized estimate, followed by gender and race.
Discussion:
We found correlations between racial/ethnic patient-provider concordance and hypertension control. Consistent with previous studies, we found that Asian patients experience more time in hypertension control. By contrast, Black and Hispanic patients have less time in hypertension control. Having the same primary care provider for a longer span of time is also positively correlated with length of hypertension control.
Conclusion:
Correlation between racial/ethnic concordance, length of time under the primary provider's care, and length of time spent in hypertension control suggests that the patient-provider relationship remains a critical component of health outcomes.
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