Introduction: Breast cancer is the most common cancer disease for women in Denmark. In 2007 Mammography screening was introduced in Denmark, after an increase in incidence was detected, followed by a drop from 2010-2012. Today there is a slight increase in incidence compared to 2007.
The Mammography screening is the only intervention for preventing breast cancer in Denmark and is only offered to women of age 50 to 69, because this group of women is rated to the have greatest risk of developing breast cancer. Despite that the Mammography screening apparently doesn’t have an effect, it has not yet been evaluated in Denmark. Focus is exclusively on reducing the mortality of breast cancer with a screening, which apparently doesn’t have the expected effect, and to date there has not been any focus on measures, which can reduce the incidence of breast cancer, despite its increase during the last 10 years. Therefore it is relevant to evaluate and optimize the current prevention strategies in connection with breast cancer in Denmark.

Goals : The goal is to research how breast cancer prevention strategies, with focus on increased physical activity, targeting Danish women > 30 years, can be organized, as well as how these women’s motivation to change their health behavior, towards increased physical activity, can be optimized.

Method: This Master thesis is designed as a literature study, based on literature found through unstructured and structured literature searches, as well as chain searches.

Results: The structured literature searches resulted in 8 epidemiological studies to answer the Master thesis academic problem. The academic problem was divided into separate research questions. 6 studies were used to answer the first research questions, and 2 studies were used to answer the last research question.

Discussion: In the discussion physical activity was analyzed and it was concluded that it can reduce risk for breast cancer for women, whereby it is relevant to analyze this potential closer through a discussion to be able to answer the academic problem. Results from the 8 studies were discussed and analyzed with Pierre Bourdieu’s capitals, and last a discussion on the method of the Master Thesis.

Conclusion: Women who are physical active reduce their risk developing breast cancer considerably, which indicate that physical activity could contribute to create positive potential in the current interventions, directed towards breast cancer in Denmark. Physical activity can be used as a tool in breast cancer interventions towards Danish women over 30 years. Intervention should target physical activity done in spare time and during work approximately 3-6.5 hours a week. “Pender `s health promotion Model” and “Banduras Social Cognitive Theory” are both useful theoretical frames, prior to implementation of breast cancer interventions for mapping women’s patterns, their environment and the barriers and positive factors. It is important to apply relevant motivation theories with theoretical frames in future intervention, directed against breast cancer. This secure, that women’s motivation for physical activity increases, and ensures that results are reproductive within a given context. Self -efficacy is a central tool to promote women’s motivation towards being physical active. Knowledge about how interventions towards breast cancer can be organized, so women stay physically active for a longer period lacks, as well as knowledge about what type of exercise that women are most likely to maintain. These patterns for women and physical activity should be monitored in future breast cancer –interventions, to obtain a better understanding of this area and in the future be able to better compare studies and trends