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Table 4 Correlations of State-level BRFSS to State-level Rx

From: Correlating pharmaceutical data with a national health survey as a proxy for estimating rural population health

 

1999

2000

2001

2002

2003

BRFSS Q: "Have you ever been told by a doctor that you have hypertension?" compared to Stroke prescriptions filled

0.406 a

--

0.499 a

--

0.622 a

N (50 states plus the District of Columbia)

51

--

51

--

51

BRFSS Hypertension (State-Level):

 

--

 

--

 

Meanb

24.32%

--

25.69%

--

25.56%

Standard Deviation

3.22%

--

2.76%

--

3.34%

Prescriptions-Filled (State-level):

     

Mean

3.44%

3.61%

3.91%

4.29%

4.64%

Standard Deviations

0.69%

0.73%

0.77%

0.87%

0.96%

Ratio of Rx/BRFSS rates

0.15

--

0.16

--

0.19

Prescriptions-Filled (County-level):

     

Mean

1.91%

2.00%

2.18%

2.41%

2.67%

Standard Deviation

1.45%

1.53%

1.66%

1.82%

1.99%

N (counties)

3,103

3,103

3,103

3,103

3,103

  1. a= Correlation is significant at the 0.01 level (2-tailed)
  2. b = Mean of the state-level rates, not a calculated national rate
  3. -- Data unavailable