P5-S7.05 Chlamydia screening in an international resort community: an outreach program to expand access
Bibliographic record
Abstract
Objective To evaluate an event-based outreach Chlamydia (CT) screening program pilot developed to address barriers to access in a resort community with an international, transient and disproportionally large young adult population. A local sexual health clinic operates at capacity. There is no provincial or national outreach CT screening campaign. Methods Series of 15 outreach CT screening sessions, each 2–3 h duration, held in Whistler, BC, Canada in 2009 & 2010. Sessions were held at resort staff-housing dinners, staff-housing lounge, entertainment, educational and sport events. Men and women <30 years were offered free CT nucleic acid amplification tests on urine. Positive cases were notified, with treatment and partner notification per standard of care. Primary outcome measures were age, gender and infection rates of outreach participants compared to <30 age cohort tested for CT at the sexual health clinic during same calendar years. Anonymous, post-test survey queried interval since last CT test, intention to test, health insurance, and satisfaction with the outreach experience. Unpaired t test & χ2analysis. Results 112 tests for CT were obtained through outreach; 87.5% response rate to post-test survey. Mean outreach age of 23.3 years was 14.4 months younger than comparison age cohort tested at clinic (p=0.0001). Males were tested at outreach in greater proportion than at clinic (57.1% vs 46.5%, p=0.04). Proportion of asymptomatic cases was greater at outreach than clinic (90% vs 46.6%, p=0.01), yet positive test rates at outreach (8.9%, 10/112) and clinic (8.5%, 58/686) were comparable (p=0.87). On survey, 43.9% had never previously tested for CT, 53.7% were not already considering a test, 61.7% would not have gone for a test within the next 2 months. Only 27.6% had Canadian health insurance. 93.9% were satisfied or very satisfied with CT screening in an outreach setting. Conclusions Intermittent, free, event-based outreach CT screening was operationally feasible, effective at increasing case detection, and highly acceptable to participants. Outreach attracted a younger age and more men than clinic. A large proportion of participants were first-time testers, over half were without prior intent to test or likelihood to test in near future, and most would have had to pay up-front for CT testing in a clinic setting. This study demonstrates both need and benefit of expanded CT screening efforts in the international resort setting.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.012 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".