TABLE 2

Adherence Measures in Relation to Demographic Factors (N = 187)

VariableAdherence Score (4–20)a% Missed Doses/Week
Mean (SD), Median (IQR)PbMean, Median (IQR)Pb
Child gender
 Boy, n = 1307.6 (2.9), 7 (5–9).397.6, 0 (0–0.14).78
 Girl, n = 577.2 (2.9), 6 (5–9)7.8, 0 (0–0.11)
Child age, y
 4–7, n = 586.9 (2.6), 6 (5–8).176.9, 0 (0–0.10).30
 8–12, n = 827.9 (3.0), 8 (6–9)6.9, 0 (0–0.14)
 13–19, n = 477.4 (3.1), 6 (5–10)9.9, 0.03 (0–0.14)
Caregiver age, y
 28–42, n = 797.6 (3.0), 7 (5–10).686, 0 (0–0.10).06
 43–59, n = 1057.4 (2.8), 7 (5–9)10, 0 (0–0.14)
Caregiver race
 White, n = 1637.4 (2.9), 7 (5–9).547.5, 0 (0–0.11).22
 Nonwhite, n = 247.9 (3.3), 8 (5–11)8.7, 0.02 (0–0.16)
Caregiver education
 Noncollege graduate, n = 717.3 (2.7), 7 (5–9).818.3, 0 (0–0.14).39
 College graduate, n = 1147.6 (3.1), 7 (5–10)7.4, 0 (0–0.14)
Primary language at home
 English, n = 1837.5 (2.9), 7 (5–9).887.9, 0 (0–0.14).17
 Non-English, n = 37.3 (2.1), 8 (5–9)0, 0 (0–0)
Place of caregiver birth
 United States, n = 1757.5 (3.0), 7 (5–9).538.1, 0 (0–0.14).13
 Foreign, n = 106.7 (2.0), 7 (5–8)2.1, 0 (0–0)
Caregiver income
 ≤ poverty line, n = 86.5 (2.8), 6 (4–8).053.1, 0 (0–0.05).13
 ≤2× poverty line, n = 116.1 (2.1), 6 (4–8)2.6, 0 (0–0.05)
 ≤3× poverty line, n = 206.4 (2.1), 6 (5–9)7.7, 0 (0–0.18)
 ≤4× poverty line, n = 288.5 (3.0), 8 (6–11)10.6, 0.071 (0–0.18)
 ≤5× poverty line, n = 267.2 (2.8), 7 (5–8)4.2, 0 (0–0)
 >5× poverty line, n = 607.7 (2.8), 8 (6–10)8.6, 0 (0–0.14)
Child severity of asthma
 Persistent, n = 577.6 (2.8), 7 (6–9).488.7, 0 (0–0.14).33
 Intermittent, n = 1307.4 (3.0), 7 (5–9)7.3, 0 (0–0.14)
  • a Lower adherence scores indicate better adherence.

  • b Wilcoxon rank sums test.