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The overall aim of this thesis is to provide a better understanding of knowledge, attitudes, consent, and decision-making regarding Human papillomavirus (HPV) vaccination, seen from the perspectives of concerned parties – high school students, school nurses, and parents.

Two quantitative studies were performed: one descriptive cross-sectional study and one quasi-experimental intervention study. Qualitative studies using focus group interviews and individual interviews were also performed.

High school students’ knowledge about HPV and HPV prevention was low but their attitudes toward HPV vaccination were positive. An educational intervention significantly increased the students’ knowledge regarding HPV and HPV prevention. Their already positive attitudes toward condom use and HPV vaccination remained unchanged. The students wanted to receive more information about HPV from school nurses. The school nurses were also positive to HPV vaccination but identified many challenges concerning e.g. priorities, obtaining informed consent, culture, and gender. They saw an ethical dilemma in conflicting values such as the child’s right to self-determination, the parents’ right to make autonomous choices on behalf of their children, and the nurse’s obligation to promote health. They were also unsure of how, what, and to whom information about HPV should be given. Parents, who had consented to vaccination of their young daughters, reasoned as follows: A vaccine recommended by the authorities is likely to be safe and effective, and the parents were willing to do what they could to decrease the risk of a serious disease for their daughter. Fear of unknown adverse events was overweighed by the benefits of vaccination. Parents also saw the school nurse as an important source of HPV information.

Conclusions: Positive attitudes toward HPV vaccination despite limited knowledge about HPV, are overarching themes in this thesis. School nurses have a crucial role to inform about HPV prevention. It is important that the concerned parties are adequately informed about HPV and its preventive methods, so that they can make an informed decision about vaccination. A short school-based intervention can increase knowledge about HPV among students. From a public health perspective, high vaccination coverage is important as it can lead to a reduced number of HPV-related disease cases. 

The overall aim of this thesis was to examine beliefs about human papillomavirus (HPV) prevention, especially vaccination, among parents, immigrant women, adolescents and school nurses, and to promote primary prevention among adolescents.

The methods used in the thesis were focus group interviews, individual interviews, a web-based questionnaire, and finally, a randomised controlled intervention study.

The immigrant women were largely in favour of HPV prevention, although barriers, such as logistic difficulties, and cultural or gender norms were found. Parents’ decision concerning vaccination of their daughters depended on several factors. Regardless of their final choice, they made the decision they believed was in the best interest of their daughter. The benefits outweighed the risks for parents choosing to vaccinate while parents declining made the opposite judgement. The majority of the school nurses reported that the governmental financial support given because of the vaccination programme had not been used for the intended purpose. Three out of four nurses had been contacted by parents who raised questions regarding the vaccine; most were related to side effects. The educational intervention had favourable effects on the adolescents’ beliefs regarding HPV prevention, especially among those with an immigrant background. Furthermore, the intention to use condom as well as actual vaccination rates among girls was slightly increased by the intervention.

Trust in the governmental recommendations and the amounts of information given are important factors in the complex decision about HPV vaccination. Attention given to specific needs and cultural norms, as well as the possibility to discuss HPV vaccination with the school nurse and provision of extra vaccination opportunities at a later time are all strategies that might facilitate participation in the school-based HPV vaccination programme. School nurses need sufficient resources, knowledge and time to meet parents’ questions and concerns. The vaccinations are time-consuming and the governmental financial support needs to be used as intended, for managing the vaccination programme. A school-based intervention can have favourable effects on the beliefs and actual actions of young people and may possibly thus, in the long term, decrease the risk for HPV-related cancer.