Human papillomavirus (HPV) is a virus that can infect cells in the cervix. Though usually asymptomatic, HPV infected cells can sometimes develop abnormalities and eventually turn into cervical cancer if left untreated. The NHS offers free cervical screening, usually done by a nurse, to women and people with a cervix aged 25-64. The test aims to detect HPV infections that could cause cervical cancer.
Yet it’s well-known that many barriers discourage people from attending screenings, such as embarrassment, concern about discomfort, or inconveniently timed appointments. Self-sampling, where women take their own samples to mail to a laboratory for testing, has been proposed as an alternative.
To understand preferences, a questionnaire was created for women eligible for cervical screening in England. Demographic information was collected to look at differences in preferences between different population groups.
Cervical Cancer Screening
Overall, 51.4% of women preferred self-sampling, largely because it address issues with privacy, embarrassment and providing more flexibility for taking tests. However, 36.5% preferred clinician screenings, stating they would worry about collecting samples incorrectly and be less confident in results from self-administered test.
Dr Jo Waller, from King’s College London, said: “Previous studies have focused on those who don’t currently go regularly for screening but our research suggests that there could be large numbers of ‘switchers’ – women who already go for screening but would switch to self-sampling if it was an option. Understanding this will help to make sure services are planned appropriately.”
Self-sampling was preferred by a greater proportion of women not currently attending regularly for screening (70%) than for regular attenders (41%). But these results suggest that many regular screeners may switch to self-sampling, if offered the option. New resources and infrastructure will be required to provide self-sampling, and to ensure people take follow-up testing if they return an HPV-positive, self-sampled result.
When analyzing the demographics of these results, self-sampling was found to be more popular among older participants. Self-sampling was also preferred in lesbian & bisexual women, and women with prior experience of self-administered blood tests, but this was only the case among people who already regularly attended cervical screening.
The fact that irregular and never screening attenders were more likely to choose self-sampling suggests that offering the choice could help to increase overall HPV testing levels. Researchers hope to better understand how self-sampling might affect existing socioeconomic inequalities in screening uptake once results from implementation studies, such as the YouScreen study, are available.
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