Smoking History (YES)      
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.65 3.49 - 3.81 0.5815
NHANES III 3.61 3.58 - 3.63  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 4.73 4.54 - 4.92 0.3965
NHANES III 4.65 4.62 - 4.68  
       
Smoking History (NO)      
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.93 3.81 - 4.04 0.5304
NHANES III 3.88 3.85 - 3.92  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 4.93 4.78 - 5.07 0.0963
NHANES III 4.80 4.76 - 4.84  
       
Height At Or Above Median (70 inches)    
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.99 3.88 - 4.10 0.4511
NHANES III 3.94 3.91 - 3.97  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 5.08 4.95 - 5.21 0.5358
NHANES III 5.04 5.00 - 5.07  
       
Height Below Median (70 inches)    
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.43 3.28 - 3.58 0.3402
NHANES III 3.51 3.49 - 3.54  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 4.33 4.15 - 4.52 0.3426
NHANES III 4.42 4.39 - 4.45  
       
Age At Or Above Median (46 years)    
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.63 3.50 - 3.76 <0.0001
NHANES III 3.18 3.15 - 3.22  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 4.65 4.50 - 4.80 <0.0001
NHANES III 4.28 4.24 - 4.32  
       
Age Below Median (46 years)    
FEV1 (L)      
  Mean 95% CI p-value
Study Population 4.01 3.88 - 4.15 0.5961
NHANES III 3.98 3.96 - 4.00  
       
FVC (L)      
  Mean 95% CI p-value
Study Population 5.06 4.88 - 5.24 0.0848
NHANES III 4.92 4.90 - 4.95  
Table 3: Pulmonary Function Mean Values Stratified by Salient Cofactors.