Table 2.
Summary and timing of study measures.
| Outcome | Method | Baseline | Phase 1 |
6–month post-intervention | Phase 2 |
|
|---|---|---|---|---|---|---|
| Completion of the 6-session intervention | 3–month post-intervention | After completion of phase 1 | ||||
| Primary outcome | ||||||
| Medication adherence | ARMS-D | X | X | X | ||
| PDC | X | X | X | |||
| Interview | X | |||||
| Secondary outcomes | ||||||
| Health literacy | NVS | X | X | |||
| Belief in medicine | BMQ | X | X | X | X | |
| Illness perception | BIPQ | X | X | X | X | |
| Self-efficacy | SEAMS | X | X | X | X | |
| Additional outcomes | ||||||
| Diabetes control | A1C | X | X | |||
Abbreviations: BIPQ: the Brief Illness Perception Questionnaire, BMQ: the Belief about Medicines Questionnaire, A1C: hemoglobin A1c, ARMS-D: the 11-item Adherence to Refills and Medications Scale for Diabetes Scale, PDC: proportion of days covered, SEAMS: the Self-efficacy for Appropriate Medication Use Scale.