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Table 3 Logistic regression main effects and interactions of neighborhood poverty and primary health insurer on early diagnosis of node negative breast cancer for Mexican American and non-Hispanic white women

From: Health insurance mediation of the Mexican American non-Hispanic white disparity on early breast cancer diagnosis

Predictor Variables

Mexican American

Non-Hispanic White

Sample

OR

(95% CI)

Sample

OR

(95% CI)

Neighborhood poverty

  < 5% poor

28

1.00

 

1,525

1.00

 

  5-29% poor

77

1.07

(0.40, 2.89)

1,300

0.90

(0.76, 1.07)

  > 30% poor

198

0.66

(0.26, 1.69)

786

0.84

(0.68, 1.04)

Neighborhood Mexican American prevalence

  < 50%

133

1.00

 

3,338

1.00

 

  > 50% (Barrio)

170

0.68

(0.36, 1.27)

273

0.99

(0.74, 1.33)

Primary health insurer

  Uninsured or underinsureda

115

1.00

 

433

1.00

 

  Adequately insuredb

188

0.87

(0.44, 1.73)

3,178

1.72

(1.31, 2.27)

 

Poverty by barrio by insurer

Poverty by insurer

  Significant interactions

303

2.33 *

(0.94, 5.82)

3,611

1.61

(1.07, 2.42)

Poverty by insurer interaction for non-Hispanic white women

 

< 5% poor

> 5% poor

Predictor Variables

Sample

OR

(95% CI)

Sample

OR

(95% CI)

Primary health insurer

  Uninsured or Medicaid

129

1.00

 

304

1.00

 

  Private or Medicare

1,396

1.75

(1.20, 2.57)

1,782

1.29 *

(0.99, 1.67)

Poverty by barrio by insurer interaction for Mexican American women

 

> 30% poor

 

< 30% poor

< 50% Mexican American

> 50% Mexican American

Sample

OR

(95% CI)

Sample

OR

(95% CI)

Sample

OR

(95% CI)

Primary health insurer

  Uninsured/Medicare

30

1.00

 

32

1.00

 

53

1.00

 

  Private/Medicaid

75

1.45

(0.58, 3.60)

33

0.69

(0.22, 2.11)

80

2.09 *

(0.96, 4.58)

  1. Notes: All effects were adjusted for age, grade and all other main and interaction effects. Adjustment of the MA regression model for birthplace made no practical difference in findings.
  2. a Uninsured or Medicare for MA women and uninsured or Medicaid for NHW women.
  3. b Private insurance or Medicaid for MA women and private insurance or Medicare for NHW women.
  4. *p < .10.