Table 4.

Multivariable subtype logistic regression of factors associated with CAM.

	aOR	95% CI	p-value
Sex
Male	1.0	REF	REF
Female	1.36	1.12-1.65	0.002
Education
Did not graduate high school	1.0	REF	REF
Graduated high school	1.01	0.73-1.4	0.96
Attended college or technical school	1.51	1.09-2.1	0.01
Graduated from college or technical school	1.76	1.24-2.44	0.001
Annual household income
<$10,000	1.0	REF	REF
$10,000 to <$25,000	0.77	0.57-1.04	0.09
$25,000 to <$50,000	0.67	0.49-0.92	0.014
$50,000 to <$75,000	0.64	0.44-0.92	0.017
≥ $75,000	0.6	0.41-0.86	0.006
Geographic regiona
Midwest	1.0	REF	REF
South	0.98	0.79-1.22	0.85
West	1.31	1.06-1.64	0.014
Northeast	1.07	0.83-1.37	0.6
Impaired access to health care due to cost
No	1.0	REF	REF
Yes	1.43	1.16-1.78	0.001
Asthma action plan received
No	1.0	REF	REF
Yes	1.29	1.08-1.53	0.005
Smoking history
Never smoked	1.0	REF	REF
Current smoker	1.35	1.05-1.74	0.02
Former smoker	1.10	0.92-1.31	0.32
Symptoms affecting sleep during past 30 days
≤2	1.0	REF	REF
>2	1.37	1.14-1.65	0.001
Limitation of activities during past 12 months
Not at all or a little	1.0	REF	REF
Moderate amount or a lot	1.38	1.15-1.66	0.001
Rescue medication use
≤2 times per week	1.0	REF	REF
>2 times per week	1.2	1.0-1.43	.046

^aBased on the U.S. Census Bureau-designated regions.