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Table 4 Longitudinal analysis of systolic blood pressure (SBP)

From: Sociodemographic variables associated with risk for diabetic retinopathy

 

Univariable

(#Obs = 11,437)

(#Subjs = 3470)

Multivariable

(#Obs = 10,351)

(#Subjs = 3452)

Effect

n Used

#Subjs

Estimate [95% CI]

p-value

Estimate [95% CI]

p-value

Age at visit

10,363

3470

0.25 [0.20, 0.29]

< 0.001

0.25 [0.20, 0.30]

< 0.001

Female sex

10,363

3470

0.04 [-1.35, 1.42]

0.96

-0.51 [-1.88, 0.87]

0.47

Income

10,363

3470

 

< 0.001

 

0.02

Low (≤ Q1) vs High (≥ Q3)

  

4.56 [2.63, 6.49]

< 0.001

2.56 [0.60, 4.52]

0.01

Medium (Q1, Q3) vs High (≥ Q3)

  

1.16 [-0.53, 2.85]

0.18

0.43 [-1.25, 2.11]

0.62

Race

10,352

3457

 

< 0.001

 

< 0.001

Black vs Whie

  

6.85 [4.96, 8.75]

< 0.001

6.35 [4.42, 8.28]

< 0.001

Unknown/other/mixed vs White

  

-1.72 [-3.94, 0.52]

0.13

-3.31 [-5.63, -0.99]

< 0.01

Ethnicity

10,352

3453

 

< 0.001

 

< 0.001

Non-Hispanic vs Hispanic

  

-6.08 [-9.86, -2.30]

< 0.01

-7.86 [-11.81, -3.92]

< 0.001

Unknown/refused vs Hispanic

  

-2.89 [-7.55, 1.78]

0.23

-4.01 [-8.75, 0.72]

0.10

Payor

10,363

3470

 

< 0.01

 

0.02

BCBS vs Other commercial

  

-1.36 [-3.10, 0.37]

0.12

-1.14 [-2.87, 0.58]

0.19

BCN vs Other commercial

  

0.04 [-1.75, 1.82]

0.97

0.15 [-1.63, 1.92]

0.87

Medicaid vs Other commercial

  

2.94 [-0.55, 6.43]

0.10

2.68 [-0.81, 6.16]

0.13

Medicare vs Other commercial

  

1.29 [-0.33, 2.91]

0.12

1.28 [-0.33, 2.89]

0.12

  1. BCBS: Blue Cross Blue Shield; BCN: Blue Care Network