Mobile phone-based asthma self-management aid for adolescents (mASMAA): a feasibility study

Figures & data

Figure 1 A sample web-based interaction log recording interactions between the mobile phone-based asthma self-management aid for adolescents and a participant.

Abbreviations: EDT, eastern daylight time; ASMA, asthma self-management aid.

Table 1 Demographic and asthma-related characteristics of the study sample

	n (%)
Age, years, mean, (SD)	15 (1.5)
Sex
Male	9 (60%)
Female	6 (40%)
Race
White	8 (53%)
African American/black	6 (40%)
Asian	1 (7%)
Annual household income
<$10,000	4 (27%)
$10,000–$30,000	1 (6%)
$30,000–$50,000	1 (6%)
$50,000–$70,000	1 (6%)
>$70,000	7 (47%)
Missing	1 (6%)
Years with asthma diagnosis, mean (SD)	10.8 (4)
Control medication	13 (87%)
Not well controlled or poorly controlled asthma	12 (80%)

Abbreviation: SD, standard deviation.

Table 2 Adolescents’ response to the mobile phone-based asthma self-management aid for adolescents’ daily asthma-monitoring questions (standard questions)

Questions		Response ratesa
Morning questions
1.	How often were you woken by your asthma during the night?	97%
2.	How bad were your asthma symptoms when you woke up this morning?	90%
Bedtime questions
3.	How limited were you in your activities today because of your asthma?	89%
4.	How much did you have asthma symptoms (coughing, wheezing and/or shortness of breath) today?	86%
5.	How often did you use your short-term bronchodilator (“quick-relief” “rescue” medicine like Ventolin/Proventil/albuterol) today?	84%
6.	How would you rate your asthma control today overall?	81%

Notes:

a The percentage of the time a participant responded for each time the questions were asked over the 2-week period. The rate was the average of all participants’ response rates.