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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: J Asthma. 2016 Jan 19;53(5):546–552. doi: 10.3109/02770903.2015.1116090

Table 3.

The relationship of CAM use with asthma outcomes.

Characteristics No. with current asthma (%)a No. with current asthma that use CAM (%)a,b P-value
ER visit in past 12 months due to asthma
    No 6748 (87.5) 2560 (37.8) P<0.001
    Yes 907 (12.5) 452 (49.5)
Asthma severity based on number of medications
    Intermittent (SABA alone) 1406 (26.6) 590 (42.9) P<0.001
    Mild (ICS or other single agent) 1225 (21.0) 471 (39.8)
    Moderate (2 controllers) 1973 (38.4) 708 (38.3)
    Severe (more than 2 controllers) 809 (14.0) 352 (38.6)
Asthma action plan received
    No 5578 (72.8) 2061 (37.2) P<0.001
    Yes 1937 (27.2) 899 (45.4)
Time since asthma diagnosis
    <12 months 197 (2.3) 60 (31.6) P<0.002
    12 months to 5 years 790 (10.4) 285 (31.0)
    ≥ 5 years ago 6661 (87.2) 2681 (41.0)
Smoking history
    Never smoked 3514 (43.9) 1337 (37.9) P<0.001
    Current smoker 969 (16.5) 447 (43.7)
    Former smoker 3182 (39.6) 1240 (39.5)
Flu shot within past 12 months
    No 2758 (37.1) 1181 (41.6) P<0.001
    Yes 4815 (62.9) 1844 (38.2)
History of physician-diagnosed depression
    No 4804 (60.3) 1679 (33.6) P<0.001
    Yes 2848 (39.7) 1330 (48.3)
Asthma symptoms during the past 30 days
    ≤8 days 3219 (47.7) 1258 (39.5) P<0.001
    >8 days 3411 (52.3) 1496 (43.4)
Difficulty sleeping due to asthma symptoms during the past 30 days
    ≤2 days 5469 (72.3) 1938 (36.8) P<0.001
    >2 days 1905 (27.7) 957 (46.7)
Activity limitation due to asthma
    Not at all or a little 5088 (65.0) 1763 (35.0) P<0.001
    A moderate amount or a lot 2536 (35.0) 1242 (48.2)
Rescue medication use
    ≤2 times per week 1313 (38.9) 504 (38.4) P<0.001
    >2 times per week 1911 (61.1) 866 (44.9)

Abbrev: SABA – short acting beta agonist; ICS – inhaled corticosteroid

a

Frequencies are unweighted and proportions are weighted. Missing responses are excluded.

b

Proportions are based on the total within each subset variable