Table 1.
Chronic Bronchitis* (N=583) | Controls (N=20,958) | |||
---|---|---|---|---|
N | % | N | % | |
Age (yrs) | ||||
20–39 | 90 | 15 | 6,610 | 32 |
40–49 | 155 | 27 | 5,834 | 28 |
50–59 | 163 | 28 | 4,855 | 23 |
60–69 | 137 | 24 | 2,939 | 14 |
70+ | 38 | 7 | 720 | 3 |
State of Residence | ||||
Iowa | 336 | 58 | 15,188 | 72 |
North Carolina | 247 | 42 | 5,770 | 28 |
Race | ||||
White | 553 | 97 | 20,127 | 98 |
Other | 18 | 3 | 469 | 2 |
Education | ||||
High School Grad and Below | 276 | 54 | 8,408 | 45 |
Beyond High School | 233 | 46 | 10,460 | 55 |
BMI (kg/m2) | ||||
Underweight (14–18.49) | 6 | 1 | 269 | 2 |
Normal (18.5–24.9) | 150 | 34 | 7,072 | 48 |
Overweight (25–29.9) | 147 | 34 | 4,690 | 32 |
Obese (30–58) | 134 | 31 | 2,634 | 18 |
Respiratory Conditions | ||||
Asthma | 145 | 25 | 796 | 4 |
Emphysema | 8 | 1 | 30 | 0 |
Farm Life and other | ||||
Raised on Farmb | 364 | 63 | 13,321 | 64 |
Lived/Worked on Farm >40 yrs | 289 | 50 | 7,921 | 38 |
Farm Size >1000 acres | 43 | 7 | 2,738 | 13 |
Job off Farm (ever) | 515 | 89 | 18,305 | 88 |
Lifestyle | ||||
Current alcohol use | 213 | 37 | 10,702 | 51 |
Husband ever smoke | 268 | 48 | 8,010 | 39 |
self-report of a doctor’s diagnosis of chronic bronchitis over the age 20
lived at least half of life on a farm before 18
Numbers may not add up to totals due to missing data.