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Table 1 Pilot study baseline characteristics by randomization group

From: Pilot study of a randomized trial to evaluate a Web-based intervention targeting adolescents presenting to the emergency department with acute asthma

Characteristic/variable All (n = 121) Treatment (n = 65) Control (n = 56)
HFHS, % (n) 29.8 (36) 30.8 (20) 28.6 (16)
CHOM, % (n) 70.2 (85) 69.2 (45) 71.4 (40)
Age, mean (sd) 15.4 (1.7) 15.3 (1.6) 15.5 (1.8)
Male, % (n) 44.6 (54) 44.6 (29) 44.6 (25)
Hispanic/Latino, % (n) 8.3 (10) 7.7 (5) 8.9 (5)
African-American, % (n) 86.0 (104) 83.1 (54) 89.3 (50)
White, % (n) 3.3 (4) 4.6 (3) 1.8 (1)
American Indian, % (n) 1.6 (2) 3.1 (2) 0 (0)
Missing, % (n)a 0.8 (1) 1.5 (1) 0 (0)
Medicaid, % (n) 60.3 (73) 56.9 (37) 64.3 (36)
Home computer, % (n) 71.1 (86) 72.3 (47) 69.6 (39)
Provided SMS at baseline, % (n) 86.0 (104) 87.7 (57) 83.9 (47)
ACT score at baseline, median (range) 16.0 (6–25) 15.5 (7–24) 16.0 (6–25)
ASRDI at baseline, mean (sd) 2.8 (1.0) 2.9 (0.9) 2.6 (1.2)
  1. ACT Asthma Control Test [15], ASRDI Asthma Self-Regulatory Development Interview [8]
  2. aMissing race/ethnicity