Table 1 Study outcome measures

Feasibility: methodological parameters and consumer responses

Recruitment and retention rates;

Self-report: Patient/Provider Satisfaction Scale (.82–.96, test-retest (1 week) .98) [74, 75], fidelity checklists: patient level (e.g., connection; BP uploads via phone; opening of messages/educational information and provider level (e.g., delivery of provider summaries; phone alerts)

Baseline, 3, 6, 9 months

Clinic: BP

Clinic-based BP

Feedback and refinement

Focus groups

Providers and IG: 9 months

Medication adherence Physician adherence

Medication Possession Ratio (MPR); Morisky Medication Adherence Scale (α = .76–.83, r = .64) [76, 77], provider guideline adherence: timely med changes (date of script changes following BP feedback (bi-monthly PINGS reports/clinic BPs)

Baseline, 3, 6, 9 months

Self-determination theory constructs

Autonomous Self-Regulation (α = .81–.84, r = .38) [78], Competence Scale (α = .88–.95, r = .32–.46) [51, 52, 78].

Demographics

Age, education level, income

Baseline

HTN/stroke knowledge, health literacy, anthropometrics

Self-report: HTN/stroke knowledge (.70) [54, 55], health literacy (r = .74, .82) [78–80],

Height/ weight/girth

Baseline, 3, 6, 9 months

Medication adherence factors

Side effects, adverse events

As reported, and 3, 6, 9 months