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Dietetics, Nutrition and Biological Sciences

Permanent URI for this collectionhttps://eresearch.qmu.ac.uk/handle/20.500.12289/23

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    Knowledge, attitudes and perceptions towards Vitamin D in a UK adult population: A cross-sectional study
    (MDPI, 2018-10-27) O’Connor, Clodagh; Glatt, Dominique; White, Lois; Revuelta-Iniesta, Raquel
    The prevalence of vitamin D deficiency in the United Kingdom is high, despite updated Scientific Advisory Committee on Nutrition (SACN) guidelines. Therefore, our aims were to identify population knowledge, attitudes and perceptions of vitamin D supplementation and factors contributing to supplement use in a UK adult population. A cross-sectional study was performed between April–June 2018 using a newly designed piloted questionnaire. Scores for knowledge were calculated as a percentage (Boland et al. 2015). Logistic regression analysis was used to predict supplement use. 209 participants (82% female), mean (±SD) age 34.9 (±12.3) completed the questionnaire. The mean (±SD) vitamin D knowledge score was 56.6% (±19.9%); only 48% were concerned about their vitamin D concentration and 57% did not take vitamin D. Most participants (86%) wished to learn more about vitamin D. Knowledge score (OR 2.5; p = 0.01; 95% CI 1.2–5.3), concern (OR 2.1; p = 0.03; 95% CI 1.0–4.2) and location (OR 0.3; p = 0.006; 95% CI 0.1–0.7) predicted supplemented use. Individuals living in England had 2.9 (95% CI 1.4–6.3) lower odds of taking vitamin D than those living in Scotland. As a result of these findings, this study suggests that vitamin D supplementation and fortification, alongside education strategies, may be an effective method for improving UK vitamin D health; however, more research is warranted.
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    Men's perspectives of male hormonal contraception
    (2016-08) Lloyd, Alison; Waterfield, Jackie
    Background: In recent years there have been great developmental advances in male hormonal contraception (MHC). Despite this, research relating to men-s perspectives of MHC is sparse and is usually based on questionnaires completed as part of clinical trials. This study explored men-s perspectives of MHC, specifically how they were formed and what factors might be influencing them. Methods: This qualitative study used semi-structured interviews with 10 heterosexual men aged between 18 and 44 within the UK. Using a philosophical standpoint of social constructionism, data were analysed employing a modified grounded theory method. Joint analysis and reflexivity were applied to reduce bias and ensure rigour in the analytical process. Results: Four principal higher order themes emerged from the data: Sexual health and trust within a sexual relationship; Choice; Change; and Health. This paper presents the findings from the first two. Participants believed that MHC use would be affected by issues such as individual sexual relationships, sexual health, and trust. Issues relating to efficacy, contraceptive choice, age, knowledge and methods of administration were seen as core issues relating to the decision to take a MHC drug. Conclusions: This study was successful in its aim, finding that overall MHC would be well received by men and that their perspectives were not that different from attitudes towards female hormone contraception. It also identified potential barriers based on the concerns that men have for themselves and for society were an MHC to become available.