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Table 5 Responsiveness of the ACT to change in physician-assessed asthma control

From: Age and African-American race impact the validity and reliability of the asthma control test in persistent asthmatics

African-American

Non-African-American

Physician Assessment

Mean (SD) change in ACT score

F

p

Physician Assessment

Mean (SD) change in ACT score

F

p

Worsened control (n = 4)

−1.00 (3.56)

2.19

0.12

Worsened control (n = 5)

0.4 (2.07)

3.23

0.05

Unchanged (n = 37)

0.49 (3.66)

Unchanged (n = 19)

−0.32 (2.75)

Improved control (n = 10)

2.80 (3.33)

Improved control (n = 8)

3.38 (5.26)