In Cochrane nutrition reviews assessment of dietary adherence varied considerably

Schwingshackl, Lukas; Stadelmaier, Julia; Lay, Roberta; Griebler, Ursula; Santis, Karina Karolina De; Zeeb, Hajo; Kien, Christina; Reimer, Mia; Eble, Julian; Philipsborn, Peter von; Gerhardus, Ansgar; Elm, Erik von; Meerpohl, Joerg J; Kiesswetter, Eva

doi:10.1016/j.jclinepi.2023.03.016

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…However, in the Cochrane risk of bias tool 2.0 [ 16 ], nonadherence to a specific dietary intervention can be evaluated within the bias domain “assessing deviations from intended interventions” and varies according to whether review authors are interested in quantifying the effect of assignment to intervention (intention-to-treat effect) compared with effect of adhering to intervention (per-protocol effect) [ 16 ]. A recent meta-research study investigated if and how Cochrane nutrition reviews assess dietary adherence to a specific dietary regimen [ 17 ]. Several reviews included in the meta-research identified in the meta-analysis added a new risk of bias domain for dietary adherence; however, this approach was not recommended by the authors, because dietary adherence is not a standalone risk of bias domain within the Cochrane risk of bias 2.0 tool [ 16 ].…”

Section: Input From a Preconference World Café Workhop At The Interna...mentioning

confidence: 99%

Perspective: Peer Evaluation of Recommendations for CONSORT Guidelines for Randomized Controlled Trials in Nutrition

Weaver,

Ahles,

Murphy

et al. 2024

Advances in Nutrition

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Section: Input From a Preconference World Café Workhop At The Interna...mentioning

confidence: 99%

Perspective: Peer Evaluation of Recommendations for CONSORT Guidelines for Randomized Controlled Trials in Nutrition

Weaver,

Ahles,

Murphy

et al. 2024

Advances in Nutrition

Self Cite

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Exploring how researchers consider nutrition trial design and participant adherence: a theory-based analysis

Worthington,

Coffey,

Gillies

et al. 2024

Front. Nutr.

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IntroductionNutrition trials are important for informing dietary and clinical guidelines. Central to the success of these trials is participant adherence to dietary behaviors. However, trials commonly experience poor adherence. This study seeks to understand if and how researchers consider supporting participant adherence to dietary behaviors and their relationship to using behavior change science when designing trials.MethodsA mapping exercise was undertaken to create matrices that describe the landscape of current nutrition trials. A total of 12 researchers participated in semi-structured, one-on-one interviews. Transcripts were analyzed using (i) the theoretical domains framework (TDF) to identify themes in current practice and beliefs, and (ii) the capability, opportunity, motivation, and behavior model to identify barriers and enablers to using behavior change science in the design of nutrition trials.ResultsTwenty-two belief statements were identified across all 14 TDF domains and were conceptualized as 5 key themes with respect to designing nutrition trials to improve participant adherence: (i) what was done, (ii) how it was done, (iii) why it was done, (iv) adherence challenges, and (v) conflicting beliefs. Regarding using behavior change science when designing trials, some researchers felt this would be beneficial but lacked the knowledge and skills to do so, while others were skeptical of its value over the current experience-based practice.DiscussionResearchers are motivated to encourage participant adherence to dietary behaviors, and, consciously and subconsciously, implement a range of strategies through non-systematic methods in their trials. Future publications would benefit from the explicit documentation of levels of adherence to dietary behaviors and strategies implemented to improve adherence.

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In Cochrane nutrition reviews assessment of dietary adherence varied considerably

Cited by 2 publications

References 14 publications

Perspective: Peer Evaluation of Recommendations for CONSORT Guidelines for Randomized Controlled Trials in Nutrition

Perspective: Peer Evaluation of Recommendations for CONSORT Guidelines for Randomized Controlled Trials in Nutrition

Exploring how researchers consider nutrition trial design and participant adherence: a theory-based analysis

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