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Prostate cancer survivors' preferences on the delivery of diet and lifestyle advice: a pilot best-worst discrete choice experiment

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)2
JournalPilot and Feasibility Studies
Volume6
DOIs
DateAccepted/In press - 23 Dec 2019
DatePublished (current) - 6 Jan 2020

Abstract

Background: Lifestyle factors, including diet and physical activity, are associated with prostate cancer progression and mortality. However, it is unclear how men would like lifestyle information to be delivered following primary treatment. This study aimed to identify men's preferences for receiving lifestyle information.

Methods: We conducted a cross-sectional pilot best-worst discrete choice experiment which was nested within a feasibility randomised controlled trial. Our aim was to explore men's preferences of receiving diet and physical activity advice following surgery for localised prostate cancer. Thirty-eight men with a mean age of 65 years completed best-worst scenarios based on four attributes: (1) how information is provided; (2) where information is provided; (3) who provides information; and (4) the indirect cost of receiving information. Data was analysed using conditional logistic regression. Men's willingness to pay (WTP) for aspects of the service was calculated using an out-of-pocket cost attribute.

Results: The combined best-worst analysis suggested that men preferred information through one-to-one discussion β = 1.07, CI = 0.88 to 1.26) and not by email (β = - 1.02, CI = - 1.23 to - 0.80). They preferred information provided by specialist nurses followed by dietitians (β = 0.76, CI = 0.63 to 0.90 and - 0.16, CI = - 0.27 to - 0.05 respectively) then general nurses (β = - 0.60, CI = - 0.73 to - 0.48). Three groups were identified based on their preferences. The largest group preferred information through individual face-to-face or group discussions (β = 1.35, CI = 1.05 to 1.63 and 0.70, CI = 0.38 to 1.03 respectively). The second group wanted information via one-to-one discussions or telephone calls (β = 1.89, CI = 1.41 to 2.37 and 1.03, CI = 0.58 to 1.48 respectively), and did not want information at community centres (β = - 0.50, CI = - 0.88 to - 0.13). The final group preferred individual face-to-face discussions (β = 0.45, CI = 0.03 to 0.88) but had a lower WTP value (£17).

Conclusions: Men mostly valued personalised methods of receiving diet and physical activity information over impersonal methods. The out-of-pocket value of receiving lifestyle information was important to some men. These findings could help inform future interventions using tailored dietary and physical activity advice given to men by clinicians following treatment for prostate cancer, such as mode of delivery, context, and person delivering the intervention. Future studies should consider using discrete choice experiments to examine information delivery to cancer survivor populations.

Additional information

© The Author(s). 2020.

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