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Table 1 Characteristics of Older Adults With and Without Obstructive Respiratory Disease, 1992–2002

From: Quality of care for older adults with chronic obstructive pulmonary disease and asthma based on comparisons to practice guidelines and smoking status

Characteristics No Obstructive
Respiratory Disease
Obstructive
Respiratory Disease
p-value
Number of person-years 51861 21525  
Female, % 0.61 0.56 <0.01
Race, %    
   White 0.88 0.89 0.73
   Black 0.09 0.08 <0.01
   Other 0.03 0.03 <0.01
Hispanic, % 0.04 0.04 <0.01
Income less than $25,000, % 0.66 0.72 <0.01
Education, %    
   Less than High School 0.22 0.26 <0.01
   High School 0.48 0.49 0.04
   More than High School 0.29 0.24 <0.01
Drug Coverage, %    
   None 0.47 0.42 <0.01
   Medicaid 0.08 0.13 <0.01
   Employer 0.32 0.31 0.28
   Individual 0.09 0.09 0.99
   Other Public 0.05 0.06 <0.01
Regional Characteristics, %    
   Resides in MSA 0.60 0.60 0.6
   Resides in Northeast 0.20 0.19 <0.01
   Resides in Midwest 0.27 0.23 <0.01
   Resides in South 0.39 0.42 <0.01
   Resides in West 0.14 0.16 <0.01
Number of Chronic Conditions 1.14 1.36 <0.01
Chronic Conditions, %    
   Hypertension 0.56 0.61 <0.01
   Heart Condition 0.02 0.04 <0.01
   Stroke 0.11 0.14 <0.01
   Cancer 0.18 0.22 <0.01
   Diabetes 0.16 0.18 <0.01
   Arthritis 0.09 0.13 <0.01
   Osteoporosis 0.01 0.02 <0.01
Fair or Poor Health Status, % 0.19 0.34 <0.01
Limitations in Activities of Daily Living, %    
   No Limitations 0.73 0.61 <0.01
   1 or 2 limitations 0.18 0.25 <0.01
   3 or 4 limitations 0.06 0.09 <0.01
   5 or 6 limitations 0.03 0.04 <0.01
Some or more difficulty walking 2 or 3 blocks or 1/4 mile 0.32 0.50 <0.01
Smoking History %    
   None 0.47 0.31 <0.01
   Former Smoker, % 0.45 0.53 <0.01
   Current Smoker, % 0.08 0.16 <0.01