Table 3.

Median, prevalence and adjusted prevalence ratio of non-persistent pharmacy fill adherence score by Morisky aMedication Adherence Scale category.

Pharmacy fill adherence method	Morisky Medication Adherence Scale Category (score range)
	Low (<6)	Medium (6 to <8)	High (8)	p-trend
CSA
Median (25th – 75th percentile)	0.66 (0.56 - 0.72)	0.88 (0.76- 0.93)	0.94 (0.89 - 0.97)	<0.001
Non-persistent CSA (<0.8)
Prevalence, %	88	31	8	<0.001
Prevalence ratio* (95% CI)	6.89 (2.48 - 19.1)	2.58 (1.08 - 6.17)	1.00 (ref)	<0.001
MPR
Median (25th – 75th percentile)	0.65 (0.58 - 0.79)	0.89 (0.72 - 0.97)	0.98 (0.86 - 1.00)	0.001
Non-persistent MPR (<0.8)
Prevalence, %	75	31	14	0.002
Prevalence ratio* (95% CI)	5.22 (1.88 - 14.5)	2.31 (0.94 - 5.66)	1.00 (ref)	0.001
CMG
Median (25th – 75th percentile)	0.43 (0.29 - 0.52)	0.13 (0.09 - 0.31)	0.09 (0.04 - 0.20)	0.002
Non-persistent CMG (>0.2)
Prevalence, %	100	35	24	<0.001
Prevalence ratio* (95% CI)	---¥	1.14 (0.74 - 1.77)	1.00 (ref)	0.0755

^*Adjusted for age, race and gender

^¥Prevalence ratio could not be calculated as the prevalence of non-persistent CMG is 100%

CSA - Continuous, single -interval measures of medication availability, MPR - Medication possession ratio, CMG - Continuous, multiple-interval measures of medication gaps

Ref- Reference category; CI- Confidence interval