Table 2 Quantitative data for the process evaluation
Process evaluation theme | Variable | Data source | Timepoint |
|---|---|---|---|
Implementation | Planned medication escalations | Patient medical notes | Post 12-month follow-up |
N of medication escalation recommendations per prescriber | Objective data automatically recorded by intervention software | Throughout study | |
N and dates of medication escalations initiated | Patient medical notes | Post 12-month follow-up | |
Method for contacting patients re medication escalation | Patient medical notes | Post 12-month follow-up | |
N of support emails sent to patients via HOME BP | Objective data automatically recorded by intervention software | Post 12-month follow-up | |
Mechanisms | Self-efficacy to implement the intervention procedures | 3-item self-report questionnaire (Additional file 4) | Pre and post training module at baseline |
Outcome expectancies about the intervention | 6-item self-report questionnaire (Additional file 4) | Pre and post training module at baseline | |
Perceived acceptability of the intervention for patients | 3-item self-report questionnaire (Additional file 4) | Pre and post training module at baseline | |
Contextual factors | Systolic and diastolic blood pressure readings entered by patient | Objective data automatically recorded by intervention software | Throughout study |
N of blood pressure entries and n of medication escalation recommendations per patient | Objective data automatically recorded by intervention software | Throughout study | |
Patient age | Objective data automatically recorded by intervention software | Baseline | |
Patient blood pressure targets: a) Standard (135/85 mmHg) b) Adjusted due to diabetes (135/75 mmHg) c) Adjusted due to age (145/85 mmHg if aged over 80 years) | Objective data automatically recorded by intervention software | Baseline |