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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: J Pharm Health Serv Res. 2013 Jun;4(2):89–94. doi: 10.1111/jphs.12016

Table 2.

Factors related to years of medication adherence by type of medication.

Anti-diabetic
(n= 23,450)
Lipid-Lowering
(n= 17,634)
Anti-hypertensive
(n= 18,647)
Odds
RatioƗ
95%CI Odds
Ratio
95%CI Odds
Ratio
95% CI
Age <35 0.45 (0.39, 0.52) 0.24 (0.19, 0.31) 0.20 (0.16, 0.25)
Age 35-49 0.67 (0.62, 0.72) 0.56 (0.52, 0.61) 0.54 (0.49, 0.58)
Age 50-64 1 1 1
Age 65+ 1.09 (1.04, 1.16) 1.28 (1.20, 1.35) 1.33 (1.26, 1.42)
Female 0.87 (0.83, 0.91) 0.79 (0.75, 0.84) 0.94 (0.89, 0.99)
High morbidity 0.94 (0.89, 0.99) 1.01 (0.95, 1.07) 1.03 (0.97, 1.10)
Coronary Artery Disease 0.86 (0.81, 0.92) 1.02 (0.95, 1.09) 1.19 (1.11, 1.28)
Congestive Heart Failure 0.79 (0.73, 0.86) 0.86 (0.76, 0.94) 1.20 (1.09, 1.32)
White 1 1 1
Japanese 1.22 (1.11, 1.34) 1.35 (1.22, 1.50) 1.34 (1.21, 1.48)
Chinese 1.01 (0.91, 1.12) 1.07 (0.80, 1.20) 1.04 (0.93, 1.17)
Filipino 0.84 (0.76, 0.92) 0.73 (0.65, 0.82) 0.90 (0.80, 1.00)
Native Hawaiian 0.79 (0.71, 0.88) 0.77 (0.68, 0.86) 0.88 (0.78, 0.99)
Missing race 0.80 (0.73, 0.87) 0.75 (0.68, 0.83) 0.81 (0.74, 0.90)
Mixed/Other Race 1.00 (0.89, 1.04) 0.93 (0.81, 1.07) 1.04 (0.91, 1.20)
Antihypertensive use 1.34 (1.26, 1.43) 1.38 (1.28, 1.49)
Lipid-lowering use 1.45 (1.37, 1.53) 1.31 (1.23, 1.40)
Ɨ

Proportional odds ratio resulting from ordered logistic regression, with years of adherence (0, 1, 2, 3, or 4) as the dependent variable.

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