Trial reportJournal of epidemiology and community health2026
Effects of a whole-school relationships and sexual health intervention on non-competent sexual debut: cluster-randomised trial.
Trial report in Journal of epidemiology and community health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
18 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRelationships and sex education (RSE) impacts some sexual behaviours but could be strengthened by incorporating whole-school approaches (eg, building engagement, providing contraception). These can prevent pregnancies and sexually-transmitted infections but are unevaluated in UK schools.
methodsA cluster-randomised trial of 'Positive Choices' compared it with usual practice in English secondary schools. Intervention comprised: RSE, school-health-promotion councils involving students, student-needs data to tailor provision; student-led campaigns; review of sexual-health services; and parent information. The primary outcome was prevention of non-competent sexual debut (lacking decision autonomy, judging timing as right, partners' equal willingness or contraception).
resultsOf 2845 schools invited, 50 (1.76%) consented, 1 leaving post-allocation. Of 25 control and 24 intervention schools, 4 withdrew pre-endline. 6970 (77.3%) students participated at baseline and 6268 (77.9%) at 33-month endline. Fidelity of whole-school components was suboptimal. No schools achieved 'good' fidelity; two achieved 'adequate' fidelity across components. 11 achieved 'adequate fidelity on selected components' (student-needs report, school-health-promotion council meetings, lessons, parent information). Control schools delivered similar activities to intervention schools. Among 780 (12.44%) students sexually debuting between baseline and endline, non-competent debut was reported by 268 (64.42%) in the control and 240 (65.93%) in the intervention group (risk difference=0.020 (95% CI -0.05 to 0.09)). There were no effects on secondary outcomes. Incremental costs were £1337 per school (£10 per student).
conclusionPositive Choices did not prevent non-competent sexual debut (primary outcome) or impact secondary outcomes compared with usual RSE, possibly explained by weak fidelity of whole-school elements and/or comprehensive RSE in control schools. TRIAL REGISTRATION NUMBER: ISRCTN16723909.
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