. 2015 Dec;21(12):10.18553/jmcp.2015.21.12.1124. doi: 10.18553/jmcp.2015.21.12.1124

TABLE 2.

Logistic Regression Analysis Comparing Likelihood of Having 6 or More Prescription Claims for SABA Among Adherent Versus Nonadherent Patients (N = 32,172)^a

	Odds Ratio	95% CI		Wald X²	P Value^b
Adherence to Controller Therapy^c
Controller adherence (PDC ≥ 50%)	1.967	1.826	2.120	313.9342	< 0.0001
Covariates
Treatment^c
LTRA	0.697	0.641	0.757	72.0152	< 0.0001
ICS/LABA fixed dose dual therapy	1.070	0.975	1.174	2.0141	0.1558
ICS+LTRA concurrent dual therapy	1.662	1.492	1.851	85.0794	< 0.0001
ICS/LABA fixed dose + LTRA	1.962	1.779	2.165	181.2997	< 0.0001
Age group^c
5-11	0.832	0.748	0.925	11.5388	0.0007
12-18	0.881	0.788	0.985	4.9318	0.0264
19-40	1.114	0.975	1.273	2.5148	0.1128
Female	0.844	0.795	0.896	30.9044	< 0.0001
Race/ethnicity^c
African American	1.322	1.214	1.440	41.1367	< 0.0001
Hispanic	0.881	0.788	0.985	15.6113	< 0.0001
Other^d	1.114	0.975	1.273	0.0176	0.8943
Total number of nonstudy medications	1.052	1.043	1.061	132.3529	< 0.0001

^a Model chi-square = 1427.56, df = 10, P < 0.0001.

^b Significant at P < 0.05.

^c Reference categories: nonadherence (PDC < 50%), ICS, 41-63 years, Caucasian.

^d American Indian, Asian, unknown.

CI = confidence interval; ICS = inhaled corticosteroids; LTRA = leukotriene receptor agonists; PDC = proportion of days covered; SABA = short-acting beta2-agonists.