Mailed letter versus phone call to increase diabetic retinopathy screening engagement by patients in a team-based primary care practice: a prospective, single-masked, randomized trial. (Preprint)
Bibliographic record
Abstract
<sec> <title>BACKGROUND</title> Vision loss from diabetic retinopathy (DR) is preventable through regular screening. </sec> <sec> <title>OBJECTIVE</title> The purpose of this study was to test different patient engagement approaches to expand a teleophthalmology program at a primary care clinic in the city of Toronto, Canada. </sec> <sec> <title>METHODS</title> A teleophthalmology program was set up in a large urban academic team-based primary care practice. Patients over 18 years of age, with type 1 or type 2 diabetes were randomized to one of four engagement strategies: a phone call, a letter, a letter plus phone call, or usual care. Outreach was conducted by administrative staff within the clinic. The primary outcome was booking an appointment </sec> <sec> <title>RESULTS</title> Twenty three patients in the phone, 28 in the mail, 32 in the mail and phone, and 27 in the control (usual care) were included in the analysis. After the intervention, 88% of patients in the phone, 11% in the mail, and 100% in the mail and phone group booked an appointment with the teleophthalmology program compared to 0% in the control group. Phoning patients positively predicted patients booking a teleophthalmology appointment (p< .0001), while sending a letter had no effect. </sec> <sec> <title>CONCLUSIONS</title> Patient engagement to book DR screening via teleophthalmology in an urban academic team-based primary care practice using telephone calls was much more effective than letters or usual care. Practices that have access to a local DR screening programs and have resources for such engagement strategies should consider using them as a means in improving their DR screening rates. </sec>
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.009 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.003 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.002 |
| Research integrity | 0.000 | 0.003 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".