Table V.

Unconditional quantile regression results for MPR (adherence)

	Q10	Q20	Q30	Q40	Q50	Q60	Q70
Age	0.23	0.28	0.17	0.20	0.14	0.08	0.06
Male	−0.61	−0.42	−0.66	−0.28	−0.78	−1.08	−0.62
Northeast (ref: west)	−4.77	−4.33	−0.44	−2.63	−1.69	−0.66	−1.10
Midwest (ref: west)	−3.96	−2.37	−1.60	−3.51	−2.39	−1.06	−1.08
South (ref: west)	−8.25	−9.35	−6.05	−6.25	−4.47	−2.18	−2.35
Whether commercial (ref: Medicare Advantage)	0.00	4.69	2.71	2.30	0.95	0.66	0.43
Baseline comorbid score	0.66	0.93	0.61	0.52	0.33	0.11	0.13
Tier 2	−3.54	−10.66	−8.31	−6.30	−4.44	−2.57	−1.37
Daily pill burden	−5.88	−12.59	−9.53	−7.16	−5.26	−3.36	−1.78
Baseline office visit count	−0.10	−0.34	−0.21	−0.20	−0.14	−0.10	−0.10
Baseline outpatient visit count	0.07	0.01	−0.01	−0.03	0.00	−0.01	0.00
Baseline ER visit count	−1.59	−0.48	−1.14	−0.80	−1.23	−0.55	−0.38
Baseline inpatient visit count	−0.76	−0.94	0.09	0.17	1.02	0.52	0.26
Log of total costs	3.42	3.35	2.67	2.11	1.44	0.88	0.76
Constant	49.35	65.27	77.26	85.59	91.57	95.94	99.34

MPR, medication possession ratio; ER, emergency room.

Boldfaced estimates indicate statistical significance (p-value ≤0.05).