Frequent nutritional feedback, personalized advice, and behavioral changes: findings from the European Food4Me internet-based RCT
Celis-Morales, C., Livingstone, K. M., Petermann, F., Navas-Carretero, S., San-Cristobal, R., O’Donovan, C. B., Moschonis, G., Manios, Y., Traczyk, I., Drevon, C. A., Daniel, H., Marsaux, C. F., Saris, W. H., Fallaize, R., Macready, A. L.  ORCID: https://orcid.org/0000-0003-0368-9336, Lovegrove, J. A. ORCID: https://orcid.org/0000-0001-7633-9455, Gibney, M., Gibney, E. R., Walsh, M., Brennan, L. et al, Martinez, A. and Mathers, J. C.
(2019)
Frequent nutritional feedback, personalized advice, and behavioral changes: findings from the European Food4Me internet-based RCT.
American Journal of Preventive Medicine, 57 (2).
pp. 209-219.
ISSN 0749-3797
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1016/j.amepre.2019.03.024 Abstract/SummaryIntroduction: This study tested the hypothesis that providing personalized nutritional advice and feedback more frequently would promote larger, more appropriate, and sustained changes in dietary behavior as well as greater reduction in adiposity.
Study design: A 6-month RCT (Food4Me) was conducted in seven European countries between 2012 and 2013.
Setting/participants: A total of 1,125 participants were randomized to Lower- (n=562) or Higher- (n=563) Frequency Feedback groups. Participants in the Lower-Frequency group received personalized nutritional advice at baseline and at Months 3 and 6 of the intervention, whereas the Higher-Frequency group received personalized nutritional advice at baseline and at Months 1, 2, 3 and 6.
Main outcome measures: The primary outcomes were change in dietary intake (at food and nutrient levels) and obesity-related traits (body weight, BMI, and waist circumference). Participants completed an online food frequency questionnaire to estimate usual dietary intake at baseline and at Months 3 and 6 of the intervention. Overall diet quality was evaluated using the 2010 Healthy Eating Index. Obesity-related traits were self-measured and reported by participant via the Internet. Statistical analyses were performed during the first quarter of 2018.
Results: At 3 months, participants in the Lower- and Higher-Frequency Feedback groups showed improvements in Healthy Eating Index score; this improvement was larger in the Higher-Frequency group than the Lower-Frequency group (=1.84, 95% CI=0.79, 2.89, p=0.0001). Similarly, there were greater improvements for the Higher- versus Lower-Frequency group for body weight (= –0.73 kg, 95% CI= –1.07, –0.38, p<0.0001), BMI (= –0.24 kg, 95% CI= –0.36, –0.13, p<0.0001), and waist circumference (= –1.20 cm, 95% CI= –2.36, –0.04, p=0.039). However, only body weight and BMI remained significant at 6 months.
Conclusions: At 3 months, higher-frequency feedback produced larger improvements in overall diet quality as well as in body weight and waist circumference compared with lower-frequency feedback. However, only body weight and BMI remained significant at 6 months.
Trial registration: Clinicaltrials.gov, NCT01530139.
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| Projects: |
Food4Me
Funded by:
European Commission
(FP7-KBBE-2010-4 265494 - £321,916)
Local Lead (PI): Julie Lovegrove
1 April 2011 - 31 March 2015
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| Date Deposited: | 09 Apr 2019 10:45 | Date item deposited into CentAUR |
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| Last Modified: | 09 Jun 2024 02:33 | Date item last modified |
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