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. 2014 Feb 7;28(4):472–480. doi: 10.1038/eye.2014.8

Table 1. Demographics, health-related characteristics, systemic and ocular health comorbidities, and medication use of participants 40 years and older that were statistically significantly different between statin user and non-users.

  No statin use N=4373 (78.1%)
Using statins N=1231 (21.9%)
 
  Mean or %* SE Mean or %* SE P-value
Demographics
 Gender          
  Female 54.0% 0.8% 46.0% 1.8% 0.0019
 Race         0.0009
  Mexican 6.0% 0.8% 3.1% 0.6%  
  Other Hispanic 3.5% 0.7% 2.2% 0.5%  
  Non-Hispanic White 76.0% 2.2% 82.1% 1.9%  
  Non-Hispanic Black 10.1% 1.3% 7.7% 1.3%  
  Other and multiracial 4.7% 0.7% 5.0% 1.0%  
 Education         0.0012
  <9th grade 6.6% 0.6% 8.9% 1.5%  
  9th grade—less than HS graduate 11.2% 0.9% 10.3% 1.4%  
  HS graduate or GED equivalent 25.3% 1.0% 30.9% 1.7%  
  Some college 29.4% 1.1% 24.2% 1.9%  
  College graduate and beyond 27.7% 1.8% 25.8% 2.2%  
 Annual household income ($)         0.0005
  <$20 000 13.9% 0.9% 14.9% 1.6%  
  $20 000–$44 999 25.3% 1.3% 32.8% 2.1%  
  $45 000–$74 999 22.9% 1.1% 20.3% 1.6%  
  $75 000 and up 35.7% 2.0% 29.3% 2.5%  
  >$20 000 2.3% 0.4% 2.9% 0.8%  
 
Health-related behaviors
 Smoking         <0.0001
  Current 22.0% 1.3% 15.1% 1.7%  
  Past 28.2% 1.1% 42.1% 1.7%  
  Never 49.9% 1.4% 42.9% 2.1%  
 
Systemic and ocular health conditions
 General health condition         <0.0001
  Excellent or Good 45.1% 1.4% 35.5% 2.0%  
  Fair 37.5% 0.9% 40.8% 1.5%  
  Poor or very poor 17.6% 1.0% 23.8% 1.7%  
 Stroke 3.3% 0.4% 7.7% 0.9% <0.0001
 Visual comorbidities
  History of cataract extraction 9.9% 0.5% 34.3% 3.7% <0.0001
 AMD
  Diagnosed with AMD 5.8% 0.5% 9.9% 0.2% 0.0003
*

All means, proportions, and SE are weighted estimates of the US population characteristics, taking into account NHANES' complex sampling design.

All P-values are unadjusted. P-values were calculated using Wald test for continuous variables, and design-adjusted Rao–Scott Pearson χ2 test for categorical variables.