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Titre : | A systematic review of adaptations and effectiveness of scaled-up nutrition interventions (2022) |
Auteurs : | Rachel L. Sutherland ; Kacklyn K. Jackson ; Cassandra Lane ; Sam McCrabb ; Luke Wolfenden |
Type de document : | Article |
Dans : | Nutrition reviews (Vol. 80 n°4, April 2022) |
Article en page(s) : | p. 962-979 |
Note générale : | https://doi.org/10.1093/nutrit/nuab096 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Adaptation ; Politique nutritionnelle ; Recherche |
Résumé : |
Context
Public health nutrition interventions shown to be effective under optimal research conditions need to be scaled up and implemented in real-world settings. Objectives The primary aim for this review was to assess the effectiveness of scaled-up public health nutrition interventions with proven efficacy, as examined in a randomized controlled trial. Secondary objectives were to: 1) determine if the effect size of scaled-up interventions were comparable to the prescale effect, and; 2) identify any adaptations made during the scale-up process. Data sources Six electronic databases were searched and field experts contacted. Study selection An intervention was considered scaled up if it was delivered on a larger scale than a preceding randomized controlled trial (prescale) in which a significant intervention effect (P ≤ 0.05) was reported on a measure of nutrition. Data extraction Two reviewers independently performed screening and data extraction. Effect size differences between prescale and scaled-up interventions were quantified. Adaptations to scale-up studies were coded according to the Adaptome model. Results Ten scaled-up nutrition interventions were identified. The effect size difference between prescale trials and scaled-up studies ranged from 32.2% to 222% (median, 50%). All studies made adaptations between prescale to scaled-up interventions. Conclusion The effects of nutrition interventions implemented at scale typically were half that achieved in prior efficacy trials. Identifying effective scale-up strategies and methods to support retainment of the original prescale effect size is urgently needed to inform public health policy. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://academic.oup.com/nutritionreviews/article/80/4/962/6468873 |