Table 1.

Subject characteristics (n = 238)

Characteristics	N (%) or mean (SD)
Child age, years	12.25 (2.58)
Child gender, %
Male	142 (59.70)
Female	95 (39.90)
Child race/ethnicity, %
White	91 (38.20)
Black	61 (25.60)
Hispanic	64 (26.9)
Other
Asthma control change, %
Deteriorated	58 (24.40)
Same/improved	137 (57.60)
Global rating of change in breathing problems, %
Deteriorated	30 (12.60)
Same/improved	167 (70.20)

Numbers for each variable may not equal the sample size due to missing data

SD standard deviation