COPD in a Population-Based Sample of Never-Smokers: Interactions among Sex, Gender, and Race
Table 1
Description of a sample of never-smoking Americans over the age of 50 according to COPD status ()1.
No COPD
COPD
value2
,389 (95.6%)
,146 (4.4%)
Sex/gender and race
White men
97.1%
2.9%
<0.001
Black men
97.6%
2.4%
White women
94.8%
5.2%
Black women
93.0%
7.0%
Age by decade
50s
97.0%
3.0%
<0.001
60s
95.3%
4.7%
70s
94.0%
6.0%
80s
93.5%
6.5%
90s
93.2%
6.8%
Height (mean, SD)
66.48 (4.07)
65.28 (3.98)
<0.001
Education
Did not graduate high school
91.3%
8.7%
<0.001
Graduated high school
95.0%
5.0%
Attended college or technical school
95.4%
4.6%
Graduated from college or technical school
97.4%
2.6%
Household income
$75,000 or more
98.2%
1.8%
<0.001
$50,000 to less than $75,000
97.1%
2.9%
$25,000–$49,999
94.5%
5.5%
$15,000–$24,999
93.1%
6.9%
<$15,000
90.0%
10.0%
Missing
95.3%
4.7%
Marital status
Married/common-law
95.6%
4.4%
=0.367
Never married
95.4%
4.6%
Number of adults/households
1
94.0%
6.0%
<0.001
2
96.1%
3.9%
≥3
95.7%
4.3%
Missing
96.0%
4.0%
Health plan
Yes
94.9%
5.1%
=0.001
No
95.6%
4.4%
1Sample sizes are presented in their unweighted form. Percentages are weighted to adjust for the probability of selection and nonresponse. 2 value is derived from chi-square tests for categorical variables and -tests for continuous variables. Source: Behavioral Risk Factor Surveillance System 2012.
