Yes / Purpose – Randomised controlled trials identify causal links between variables but not why an outcome has
occurred. This analysis sought to determine how psychological factors assessed at baseline influenced
response to personalised nutrition.
Design/methodology/approach – Web-based, randomised, controlled trial (RCT) was conducted across
seven European countries. Volunteers, both male and female, aged over 18 years were randomised to either a
non-personalised (control) or a personalised (treatment) dietary advice condition. Linear mixed model analysis
with fixed effects was used to compare associations between internal and external health locus of control
(HLoC), nutrition self-efficacy (NS-E) and self-report habit index (S-RHI) at baseline (N 5 1444), with healthy
eating index (HEI) and Mediterranean diet index (MDI) scores between conditions post-intervention (N 5 763).
Findings – An increase in MDI scores was observed between baseline and six months in the treatment group
which was associated with higher NS-E (p / EU FP7 Project “Personalised nutrition: an integrated analysis of opportunities and challenges” (Contract No. KBBE. 2010.2.3–02, Project No. 265494)
| Identifer | oai:union.ndltd.org:BRADFORD/oai:bradscholars.brad.ac.uk:10454/18568 |
| Date | 18 July 2021 |
| Creators | Stewart-Knox, Barbara, Rankin, A., Bunting, B.P., Frewer, L.J., Celis-Morales, C., Livingstone, K.M., Fischer, A.R.H., Poinhos, R., Kuznesof, S., Gibney, M.J., Mathers, J.C. |
| Source Sets | Bradford Scholars |
| Language | English |
| Detected Language | English |
| Type | Article, Accepted manuscript |
| Rights | (c) 2021 Emerald Publishing Group. Full-text reproduced in accordance with the publisher's self-archiving policy. |
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