Construct | Source | Instrument(s) | Baseline | 6 mo. | 12 mo. |
---|---|---|---|---|---|
Health behaviors and determinants | |||||
Activation | Survey | Patient Activation Measure (PAM-13) | X | X | X |
Activation in health encounters | Survey | Perceived Efficacy in Patient-Physician Interactions (PEPPI-5) | X | X | X |
Diabetes self-efficacy | Survey | Stanford Chronic Disease Self-Efficacy Scale [72] | X | X | |
Diabetes distress | Survey | Problem Areas in Diabetes Scale [73] | X | X | |
Diabetes self-management behavior (self-monitoring, healthful eating, physical activity) | Survey | Summary of Diabetes Self-Care Activities [74] | X | X | X |
Diabetes medication adherence | EMR × 12 months | Cumulative medication gaps < 20% [75] | X | X | |
Smoking status | Survey | Items from the World Health Organization’s Global Adult Tobacco Survey [76] | X | X | X |
Physiologic and health outcomes | |||||
5-Year cardiac event risk | survey + physiologic and lab testing | United Kingdom Prospective Diabetes Study (UKPDS) 5 year cardiac risk score | X | X | |
Glycemic control | Venous sample | HbA1c | X | X | |
Blood pressure | Direct measure | Systolic blood pressure, mean arterial pressure | X | X | |
Non-fasting lipid levels | Venous sample | Total cholesterol/HDL | X | X | |
Patient-supporter relationship and support quality | |||||
Patient-supporter relationship quality | Survey | Relationship Rating Form - Respect Subscale [77] | X | X | |
Patient satisfaction with diabetes social support | Survey | Diabetes Care Profile -Support Subscale [78] | X | X | X |
Supporter use of autonomy-supportive communication | Survey | Important Other Climate Questionnaire [79] | X | X | |
Potential moderators | |||||
Time with diabetes | Survey | X | |||
Patient comorbidities | EMR × 12 months | Charlson Comorbidity Index [80] | X | ||
Health literacy | Survey | Brief Health Literacy Screen [81] | X | ||
Current PTSD symptoms | Survey | Primary Care PTSD Screen for DSM5 [82] | X | ||
Depression and anxiety | Survey | Patient Health Questionnaire-4 [83] | X | X |