Table 2.

Comparisons of EMA-measured rescue inhaler adherence and ACT scores for totals and corresponding items.

EMA	Median, mean (SD)	ACT	Median, mean (SD)	r a
Rescue inhaler adherence	0.83, 0.70 (0.35)	Total score for all 5 itemsb	19, 18.5 (4.0)	-0.33c
Using the keypad on your phone, enter the number of times, in the last 24 hours, that you have had symptoms of asthma, like shortness of breath or coughing.	0.25, 0.63 (1.2)	During the past 4 weeks, how often have you had shortness of breath?	2, 2.5 (1.3)	0.44d
Just thinking about last night, did asthma symptoms like coughing or shortness of breath wake you up, or wake you earlier than usual? c	0, 0.06 (0.10)	During the past 4 weeks, how often did your asthma symptoms (wheezing, coughing, shortness of breath, tightness or pain) wake you up at night or earlier than usual in the morning?	1, 1.8 (1.2)	0.65d
Thinking about the most recent time that you had symptoms of asthma in the last 24 hours, did you take your rescue inhaler?e	0.12, 0.20 (0.20)	During the past 4 weeks, how often have you used your rescue inhaler or nebulizer medication (such as albuterol)?	2, 2.4 (1.2)	0.52d

^aEMA responses scaled to ACT for comparison.

^bTotal ACT score ranges from 5 to 25.

^c P=.034.

^d P<.001.

^e“Yes” scored as 1, “No” scored as 0.