Table 3.

Health care utilization among patients who reported medication nonadherence^*

	Adherent (n = 454)	Nonadherent (n = 380)	t-test or χ2	P
Rheumatology visits	3.24 ± 3.19	4.34 ± 6.93	−2.84	0.005
Primary care visits	3.80 ± 6.43	4.78 ± 6.27	−2.20	0.03
Other health care visits	18.52 ± 26.14	22.43 ± 32.42	−1.9	0.06
Visiting the emergency department, %	44.7	55.3	20.77	< 0.0001
Number of emergency department visits	0.74 ± 3.68	1.31 ± 3.04	−2.45	0.02
Hospitalized, %	52.4	47.6	0.44	0.56
Number of hospitalizations	1.53 ± 1.04	1.77 ± 2.20	−0.98	0.33

^*Values are the mean ± SD unless otherwise indicated.