Effects of a Patient-Provider, Collaborative, Medication-Planning Tool: A Randomized, Controlled Trial
Table 2
Patient-reported verbal knowledge of the noninjectable medication regimen before and after intervention: Medtable versus usual care.
Time
Medtable
Usual care
Unadjusted intervention effect (ITT)
Adjusted intervention effect (ITT)
Mean (SD)
Mean (SD)
OR (95% CI)
value
OR (95% CI)
value
Combined verbal knowledge of the regimen for all questions
Baseline, preintervention
0.808 (0.175)
0.802 (0.180)
1.03 (0.89, 1.18)
0.7059
1.05 (0.91, 1.21)
0.5470
Immediate, postintervention
0.812 (0.172)
0.80 (0.176)
1.08 (0.94, 1.25)
0.2598
1.10 (0.96, 1.27)
0.1819
Month 3
0.808 (0.180)
0.801 (0.168)
1.07 (0.93, 1.23)
0.3641
1.06 (0.92, 1.23)
0.4153
Month 6
0.806 (0.184)
0.795 (0.179)
1.10 (0.95, 1.26)
0.1968
1.09 (0.94, 1.26)
0.2487
“On a usual day, how many times a day do you take this medicine?”
Baseline, preintervention
0.916 (0.113)
0.906 (0.131)
1.09 (0.89, 1.32)
0.4104
1.09 (0.89, 1.33)
0.4092
Immediate, postintervention
0.923 (0.104)
0.910 (0.129)
1.12 (0.92, 1.37)
0.2556
1.13 (0.92, 1.38)
0.2576
Month 3
0.924 (0.113)
0.904 (0.125)
1.31 (1.07, 1.60)
0.0092
1.29 (1.05, 1.59)
0.0142
Month 6
0.925 (0.103)
0.912 (0.119)
1.26 (1.03, 1.54)
0.0273
1.23 (1.00, 1.52)
0.0492
“How many pills of this medicine do you take each time?”
Baseline, preintervention
0.877 (0.150)
0.881 (0.145)
1.01 (0.85, 1.20)
0.9125
1.04 (0.87, 1.23)
0.6930
Immediate, postintervention
0.882 (0.147)
0.880 (0.143)
1.06 (0.89, 1.25)
0.5312
1.09 (0.92, 1.30)
0.3175
Month 3
0.869 (0.161)
0.875 (0.140)
0.99 (0.83, 1.17)
0.8694
1.00 (0.84, 1.19)
0.9826
Month 6
0.875 (0.153)
0.868 (0.142)
1.05 (0.88, 1.24)
0.5996
1.06 (0.90, 1.26)
0.4807
“How many pills of this medicine do you take each day in total?”
Baseline, preintervention
0.862 (0.147)
0.859 (0.154)
1.01 (0.86, 1.19)
0.8924
1.02 (0.87, 1.20)
0.7857
Immediate, postintervention
0.866 (0.148)
0.852 (0.152)
1.10 (0.94, 1.29)
0.2376
1.12 (0.95, 1.32)
0.1810
Month 3
0.867 (0.145)
0.858 (0.146)
1.09 (0.92, 1.28)
0.3222
1.08 (0.92, 1.28)
0.3435
Month 6
0.870 (0.147)
0.862 (0.152)
1.14 (0.97, 1.34)
0.1201
1.12 (0.95, 1.33)
0.1874
ITT: intention-to-treat analysis. Covariates used for adjustment were health literacy (REALM), Letter Comparison test, Pattern Comparison test, diabetes mellitus knowledge, diabetes self-care: diet, diabetes self-care: exercise, diabetes self-care: glucose testing, years with diabetes mellitus, Comorbidity Index, general health, age, gender, race, patient education, research site, and Medication Regimen Complexity Index.
