Mette Tranberg Nielsen

Preventing cervical cancer using HPV self-sampling: Direct mailing of test-kits increases screening participation more than timely opt-in procedures - a randomized controlled trial

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DOI

BACKGROUND: Cervical cancer screening participation remains insufficient in most countries. Our aim was to evaluate whether offering a HPV self-sampling kit, either mailed directly to the woman's home or using timely opt-in procedures for ordering the kit, increased screening participation compared with a standard second reminder.

METHODS: In this randomized, controlled effectiveness trial, 9791 Danish women aged 30-64 who were due to receive the second reminder were equally randomized to either: 1) direct mailing of a second reminder and a self-sampling kit (directly mailed group); 2) mailing of a second reminder that offered a self-sampling kit to be ordered by e-mail, text message, phone, or webpage (opt-in group); or 3) mailing of a second reminder to attend regular cytology screening (control group). In an intention-to-treat analysis, we estimated the participation rate at 180 days post intervention, by returning a self-sample or attending regular cytology screening. We calculated the proportion of women with a positive HPV self-sample who attended for cervical cytology triage at the general practitioner within 90 days.

RESULTS: Participation was significantly higher in the directly mailed group (38.0%) and in the opt-in group (30.9%) than in the control group (25.2%) (participation difference (PD): 12.8%, 95% CI: 10.6-15.0% and PD: 5.7%, 95% CI: 3.5-7.9%, respectively). Within 90 days, 107 women (90.7%, 95% CI: 83.9-95.3%) with a HPV-positive self-sample attended follow-up.

CONCLUSIONS: Offering the opportunity of HPV self-sampling as an alternative to regular cytology screening increased participation; the direct mailing strategy was the most effective invitation strategy. A high compliance with follow-up was seen.

TRIAL REGISTRATION: Current Controlled Trials NCT02680262 . Registered 10 February 2016.

OriginalsprogEngelsk
Artikelnummer273
TidsskriftB M C Cancer
Vol/bind18
Nummer1
Antal sider11
ISSN1471-2407
DOI
StatusUdgivet - 9 mar. 2018

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