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. Author manuscript; available in PMC: 2020 Jul 20.
Published in final edited form as: Mult Scler. 2017 Feb 1;24(2):175–185. doi: 10.1177/1352458517695469

Table 4.

Correlation matrix of adherence measures

Pharmacy proportion
refills received/
expected refills
Proportion
missed doses
(parent report)
Parent
remind
Parent
present
Parent
administer
Morisky
adherence
(parent)
Behavioral
coping (MSTAQ parent)
Side effects
(MSTAQ
parent)
Barriers
(MSTAQ
parent)
Morisky
adherence
(patient)
Pharmacy proportion refills received/expected refills
 Proportion missed doses
 (parent report)
−0.45
 Parent remind −0.29 0.27
 Parent present  0.04  0.07  0.35
 Parent administer  0.19  0.17  0.29  0.60
 Morisky adherence (parent)  0.37 −0.46 −0.23 −0.14 −0.19
 Behavioral coping
(MSTAQ parent)
 0.03 −0.01  0.11  0.58  0.37  0.02
 Side effects (MSTAQ parent)  0.05  0.12  0.03  0.16  0.23 −0.14  0.43
 Barriers (MSTAQ parent) −0.17  0.06  0.21  0.20  0.13 −0.16  0.12  0.21
 Morisky adherence (patient)  0.34 −0.30 −0.12  0.00 −0.02  0.59  0.01  0.18 −0.07
 Barriers (MSTAQ patient) −0.31 −0.04  0.12  0.19  0.29 −0.25  0.34  0.09  0.31 −0.14

MSTAQ: Multiple Sclerosis Treatment Adherence Questionnaire.

Small correlation.

Medium correlation.

Large correlation.