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Objective: Organised cervical cancer screening was started in Estonia in 2006, but participation is still low. Human papillomavirus (HPV) self-sampling has proved to increase screening uptake. This study addressed the feasibility of HPV self-sampling and the acceptance of this method among long-term screening non-attenders., Methods: A randomised intervention study was conducted in Estonia in 2020. Women born in 1958-1983 without a Pap smear in 2013-2019 were identified in the Estonian Health Insurance Fund database. From them, 12,000 women were randomly allocated to three equal-sized study groups. The opt-out group received a questionnaire and a Qvintip® sampling device by regular mail. Two opt-in groups received a questionnaire and an e-mail invitation to order a self-sampler online; one received Qvintip and the other Evalyn® Brush. Participantś background characteristics were obtained from the Population Register. The effect of covariates on participation rate was estimated with multivariate Poisson regression. Acceptance of self-sampling was analysed according to agreement with statements in the questionnaire., Results: The overall participation rate was 16% with significant differences between opt-out (26%) and opt-in (11%) groups. Compared to the opt-out Qvintip group, adjusted relative risks for the Qvintip and Evalyn Brush opt-in groups were 0.41 (95% confidence interval (CI) 0.37-0.45) and 0.44 (95% CI 0.40-0.49), respectively. Participation was associated with living place, citizenship, and education. Self-sampling was well accepted: 98% agreed that it was easy to use, 88% preferred it as a screening method in future., Conclusions: The results show the feasibility and good acceptance of HPV self-sampling among long-term screening non-attenders in Estonia.

The Standard Progressive Matrices was standardised in Estonia in 2001 on a sample of 2,689 12- to 18-yr.-olds. The mean IQ of the Estonian sample was approximately 5 points higher than British IQ norms of 1979. Adjustment for the estimated secular increase of intelligence in Britain reduces the mean IQ of the Estonian sample to 100.2, in relation to a British mean of 100. A particular interest of the result from Estonia is that the intelligence of a European population is apparently not impaired by decades of low living standards.