Table 3

Contribution of number of medications and medication knowledge to self-reported adherence.

All patients

(N = 52)**

Adherent^#

(N = 21)

Nonadherent^#

(N = 30)

P

Number of medications prescribed, mean (SD)

3.3 (2.0)

3.0 (2.5)

3.6 (1.4)

0.27

Number of patients using medication reminders, N (percent)

29 (58%)

11 (55%)

18 (60%)

0.73

Concordance for medication name, mean (range)*

89%

(25-100%)

92%

(44-100%)

87%

(25-100%)

0.57

Concordance for medication dosing, mean (range)*

78%

(0-100%)

82%

(0-100%)

76%

(25-100%)

0.39

Concordance for medication purpose, mean (range)*

54%

(0-100%)

50%

(0-100%)

56%

(0-100%)

0.89

* Concordance was calculated as the number of correct patient responses divided by the total number of medications prescribed, reported as mean (range).

^# Adherence was defined as taking all prescribed doses of medication in a typical week.

** One patient did not report adherence.

Lawson et al. Pediatric Rheumatology 2011 9:35   doi:10.1186/1546-0096-9-35