Characteristics of European adults who dropped out from the Food4Me internet-based personalised nutrition intervention

Livingstone, Katherine M., Celis-Morales, Carlos, Macready, Anna L., Fallaize, Rosalind, Forster, Hannah, Woolhead, Clara, O'Donovan, Clare B., Marsaux, Cyril F. M., Navas-Carretero, Santiago, San-Cristobal, Rodrigo, Kolossa, Silvia, Tsirigoti, Lydia, Lambrinou, Christina P., Moschonis, George, Surwiłło, Agnieszka, Drevon, Christian A., Manios, Yannis, Traczyk, Iwona, Gibney, Eileen R., Brennan, Lorraine, Walsh, Marianne C., Lovegrove, Julie A., Martinez, J. Alfredo, Saris, Wim H. M., Daniel, Hannelore, Gibney, Mike and Mathers, John C. 2017, Characteristics of European adults who dropped out from the Food4Me internet-based personalised nutrition intervention, Public health nutrition, vol. 20, no. 1, pp. 53-63, doi: 10.1017/S1368980016002020.

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Title Characteristics of European adults who dropped out from the Food4Me internet-based personalised nutrition intervention
Author(s) Livingstone, Katherine M.ORCID iD for Livingstone, Katherine M.
Celis-Morales, Carlos
Macready, Anna L.
Fallaize, Rosalind
Forster, Hannah
Woolhead, Clara
O'Donovan, Clare B.
Marsaux, Cyril F. M.
Navas-Carretero, Santiago
San-Cristobal, Rodrigo
Kolossa, Silvia
Tsirigoti, Lydia
Lambrinou, Christina P.
Moschonis, George
Surwiłło, Agnieszka
Drevon, Christian A.
Manios, Yannis
Traczyk, Iwona
Gibney, Eileen R.
Brennan, Lorraine
Walsh, Marianne C.
Lovegrove, Julie A.
Martinez, J. Alfredo
Saris, Wim H. M.
Daniel, Hannelore
Gibney, Mike
Mathers, John C.
Journal name Public health nutrition
Volume number 20
Issue number 1
Start page 53
End page 63
Total pages 11
Publisher Cambridge University Press
Place of publication Cambridge, Eng.
Publication date 2017-01
ISSN 1475-2727
Keyword(s) Dropout
European adults
Personalised nutrition
Summary OBJECTIVE: To characterise participants who dropped out of the Food4Me Proof-of-Principle study.

DESIGN: The Food4Me study was an Internet-based, 6-month, four-arm, randomised controlled trial. The control group received generalised dietary and lifestyle recommendations, whereas participants randomised to three different levels of personalised nutrition (PN) received advice based on dietary, phenotypic and/or genotypic data, respectively (with either more or less frequent feedback).

SETTING: Seven recruitment sites: UK, Ireland, The Netherlands, Germany, Spain, Poland and Greece.

SUBJECTS: Adults aged 18-79 years (n 1607).

RESULTS: A total of 337 (21 %) participants dropped out during the intervention. At baseline, dropouts had higher BMI (0·5 kg/m2; P<0·001). Attrition did not differ significantly between individuals receiving generalised dietary guidelines (Control) and those randomised to PN. Participants were more likely to drop out (OR; 95 % CI) if they received more frequent feedback (1·81; 1·36, 2·41; P<0·001), were female (1·38; 1·06, 1·78; P=0·015), less than 45 years old (2·57; 1·95, 3·39; P<0·001) and obese (2·25; 1·47, 3·43; P<0·001). Attrition was more likely in participants who reported an interest in losing weight (1·53; 1·19, 1·97; P<0·001) or skipping meals (1·75; 1·16, 2·65; P=0·008), and less likely if participants claimed to eat healthily frequently (0·62; 0·45, 0·86; P=0·003).

CONCLUSIONS: Attrition did not differ between participants receiving generalised or PN advice but more frequent feedback was related to attrition for those randomised to PN interventions. Better strategies are required to minimise dropouts among younger and obese individuals participating in PN interventions and more frequent feedback may be an unnecessary burden.
Language eng
DOI 10.1017/S1368980016002020
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Persistent URL

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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