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Table 3 Odds Ratios of Uncontrolled BP for Different Types of Insurance Stability/Instability, Compared to Stable Private Insurance, by Race/Ethnicity, in Two Massachusetts Urban Safety Net Hospital Systems

From: Is insurance instability associated with hypertension outcomes and does this vary by race/ethnicity?

Adjusted Interaction Model (Instability (6-Category) & Race)

 

Non-Hispanic Whites

Hispanic

Black

Asian

Instability (5-Category)

n (6-month Intervals)

OR (95% CI)p-value

n (6-month Intervals)

OR (95% CI)p-value

n (6-month Intervals)

OR (95% CI)p-value

n (6-month Intervals)

OR (95% CI)p-value

Stable Private (reference)

39,162

 

3774

 

49,310

 

4956

 

Stable Public

27,249

0.85 (0.81, .90)

6957

0.85 (0.75, .97)

69,537

0.97 (0.93, 1.01)

9399

0.93 (0.82, 1.05)

Switch without losing insurancea

2861

0.93 (0.86, 1.01)

590

0.95 (0.79, 1.13)

8080

0.98 (0.93, 1.03)

829

0.96 (0.80, 1.14)

Switch from uninsured to insured

1782

1.15 (1.04, 1.27)

649

1.01 (0.85, 1.20)

7892

1.1 (1.05, 1.16)

592

1.13 (0.93, 1.37)

Switch from insured to uninsured

1228

1.05 (0.94, 1.18)

440

1.06 (0.86, 1.31)

5977

1.09 (1.03, 1.16)

344

0.96 (0.75, 1.23)

Always uninsured

4264

1.06 (0.97, 1.16)

2084

0.93 (0.79, 1.09)

19,266

1.22 (1.16, 1.28)

1579

1.02 (0.86, 1.22)

  1. Instability (6-Category) p-value: < 0.001
  2. Race p-value: < 0.001
  3. Overall Interaction of Race and Insurance Instability p-value: 0.002
  4. Note: GEE model adjusted for age, comorbidity burden, sex, area-level education, area-level income, site of care and time. 40,615 patients were included in this analysis (11,624 Non-Hispanic White, 2911 Hispanic, 23,560 Black and 2520 Asian). Significant ORs are shown in bold
  5. a Includes switches from private to public, public to private, or among the 3 public groups (Medicare, Medicaid, subsidized)
  6. Tabulated odds ratios are in comparison to stable private insurance, within race/ethnicity group