Development of the opioid self-management scale for advanced Cancer patients with pain and examination of its validity and reliability

Table 7 Association between the OSSA^a) and the Medication Adherence Scale

Item	Total Medication Adherence Scale score	Medication compliance	Collaboration with healthcare providers	Willingness to access and use information about medication	Acceptance to take medication and how taking medication fits patient’s lifestyle
Total OSSA^a) score	0.62^**	0.32^**	0.48^**	0.56^**	0.34^**
Subscale 1: Managing opioids and coping with pain	0.62^**	0.36^**	0.43^**	0.59^**	0.34^**
Subscale 2: Talking to healthcare provider	0.58^**	0.25^**	0.53^**	0.52^**	0.28^**
Subscale 3: Talking to friends and family	0.36^**	0.24^**	0.29^**	0.23^**	0.25^**
Subscale 4: Recording pain and opioid use	0.25^**	0.13	0.10	0.25^**	0.25^**
Subscale 5: Living with the disease	0.35^**	0.13	0.29^**	0.30^**	0.23^**
Subscale 6: Understanding the characteristics of pain	0.18^*	0.04	0.23^**	0.23^**	−0.08

ISSN: 1472-684X