Relationship between self-efficacy and patient knowledge on adherence to oral contraceptives using the Morisky Medication Adherence Scale (MMAS-8)

Table 2 Demographic characteristics and correlates of adherence by OCP adherence category

	Low adherence	Medium adherence	High adherence	P
Overall (%)	44.3%	36.4%	19.3%	n/a
Age (mean)^a	21.8	21.9	22.4	.346
Years in college (mean)^a	3.4	3.3	3.6	.559
In a relationship (%)^B	55.9%	61.7%	71.9%	.009
OCP for pregnancy prevention (%)^b	84.2%	84.2%	87.5%	.652
Perceived knowledge (mean)^a	5.74	6.18	6.40	<.001
Perceived self-efficacy (mean)^a	3.21	3.54	3.71	<.001
2 or more missed pills typical month^b	45.9%	5.8%	0.8%	<.001
2 or more missed pills last month^b	42.7%	8.3%	0%	<.001

^aANOVA
^bchi-square test
Use of the ©MMAS is protected by US copyright laws. Permission for use is required. A Licensure agreement is available from: Donald E. Morisky, ScD, ScM, MSPH, Professor, Department of Community Health Sciences, UCLA School of Public Health, 650 Charles E. Young Drive South, Los Angeles, CA 90095–1772, dmorisky@ucla.edu

ISSN: 1742-4755