Effects of a Patient-Provider, Collaborative, Medication-Planning Tool: A Randomized, Controlled Trial
Table 3
Patient-demonstrated knowledge of the 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 demonstration knowledge of the regimen for all 4 questions
Baseline, preintervention
0.86 (0.15)
0.85 (0.16)
1.03 (0.88, 1.20)
0.7320
1.03 (0.88, 1.21)
0.7402
Immediate, postintervention
0.86 (0.15)
0.85 (0.15)
1.08 (0.92, 1.26)
0.3560
1.09 (0.93, 1.29)
0.2799
Month 3
0.86 (0.15)
0.85 (0.15)
1.07 (0.91, 1.26)
0.3916
1.06 (0.90, 1.25)
0.4814
Month 6
0.86 (0.14)
0.86 (0.14)
1.08 (0.92, 1.27)
0.3676
1.06 (0.90, 1.26)
0.4763
When compared to the label, the patient demonstrates correct number of pills per dose
Baseline, preintervention
0.895 (0.131)
0.90 (0.13)
0.97 (0.81, 1.17)
0.7728
0.99 (0.82, 1.19)
0.8971
Immediate, postintervention
0.9 (0.131)
0.90 (0.13)
1.05 (0.87, 1.26)
0.6274
1.09 (0.90, 1.31)
0.3880
Month 3
0.90 (0.134)
0.89 (0.13)
0.95 (0.79, 1.14)
0.5549
0.95 (0.79, 1.14)
0.5925
Month 6
0.902 (0.128)
0.91 (0.119)
0.99 (0.82, 1.20)
0.9553
1.00 (0.83, 1.22)
0.9839
When compared to the label, the patient demonstrates correct number of doses per day
Baseline, preintervention
0.89 (0.13)
0.88 (0.14)
1.03 (0.87, 1.23)
0.7262
1.03 (0.86, 1.24)
0.7093
Immediate, postintervention
0.89 (0.126)
0.88 (0.14)
1.10 (0.92, 1.32)
0.2823
1.12 (0.93, 1.34)
0.2448
Month 3
0.90 (0.129)
0.88 (0.139)
1.19 (0.99, 1.42)
0.0622
1.18 (0.98, 1.42)
0.0758
Month 6
0.901 (0.127)
0.90 (0.126)
1.12 (0.93, 1.35)
0.2243
1.10 (0.91, 1.33)
0.3228
The patient demonstrates correct number of pills each day in total
Baseline, preintervention
0.87 (0.143)
0.87 (0.147)
1.04 (0.88, 1.23)
0.6258
1.04 (0.88, 1.23)
0.6504
Immediate, postintervention
0.878 (0.140)
0.87 (0.14)
1.06 (0.90, 1.25)
0.5046
1.07 (0.90, 1.27)
0.4345
Month 3
0.875 (0.136)
0.87 (0.14)
1.07 (0.91, 1.27)
0.4020
1.06 (0.90, 1.26)
0.4883
Month 6
0.880 (0.134)
0.88 (0.135)
1.07 (0.90, 1.26)
0.4623
1.05 (0.88, 1.25)
0.5656
The patient demonstrates correct amount of time (spacing) between doses
Baseline, preintervention
0.89 (0.130)
0.88 (0.147)
1.02 (0.86, 1.21)
0.8340
1.02 (0.85, 1.22)
0.8082
Immediate, postintervention
0.90 (0.126)
0.88 (0.14)
1.09 (0.91, 1.30)
0.3301
1.11 (0.93, 1.33)
0.2611
Month 3
0.90 (0.130)
0.88 (0.14)
1.17 (0.98, 1.40)
0.0855
1.17 (0.97, 1.40)
0.1104
Month 6
0.9 (0.127)
0.89 (0.126)
1.12 (0.93, 1.34)
0.2457
1.09 (0.91, 1.32)
0.3525
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.
