PONE-D-24-29738Motivation, Barriers, and Preferences of Lifestyle Changes among Older Adults with Frailty and Mild Cognitive Impairment: A Scoping Review of Qualitative AnalysisPLOS ONE

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Reviewer #1: Partly

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Reviewer #1: No

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Reviewer #1: No

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Reviewer #1: Yes

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5. Review Comments to the Author

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Reviewer #1: Introduction

It is necessary to better problematize the relevance of analyzing the effect of lifestyles on physical frailty and cognitive impairment in older people and the relevance of the review on the barriers and motivations of older people to participate in interventions. It would be necessary to define what is understood as lifestyle and lifestyle intervention. A better problematization is necessary and the ultimate goal is to identify the evidence on this topic.

Methodology

-Regarding the methodological proposal of the review, I think it is an interesting proposal with a good structure.

-Regarding stage 3: regarding the inclusion criteria, it is necessary to include whether the year of publication was used as a criterion.

-It is important to describe the scope and limitation of the use of Rayyan Ai software for the selection of evidence. -----Explain better what tasks the software performs, I am concerned that the review is biased by the software and is not a review carried out by the authors.

Review the resolution of Figure 1. It is very blurry. Mention what other sources were used and mentioned in Figure 1. (n=245).

-It would be necessary to add in Figure 1, the number of the study that are interventions but do not find the information on motivations and barriers.

-I believe that the review of lifestyle interventions related to exercise, habits and social participation should be limited to not considering the cognitive dimension or only considering the cognitive dimension because they are two different aspects.

Results, Discussion and Conclusions

-The selection of interventions is not clear, since there are some studies that are not interventions as such and are considered as interventions, such as cognitive impairment studies (Bechard, et al. 2020; Anna Rosenberg et al., 2020, Haesner et al, 2015). The sample size would need to be added in some studies (Bechard).

-The proposal of concepts for the analysis of evidence seems unclear because it does not clearly refer to "motivations" but rather to characteristics or conditions that favor the intervention.

-The proposal for the analysis of evidence lacks support because concepts such as motivations or conditions that favor the intervention are confused. Finally, motivation has to do with something individual that these studies do not seem to show and aspects are being sought that these studies do not have. It is necessary to better work on the objectives of the search and limit it to lifestyle or cognitive interventions. Not to both because it is confusing. It is necessary to be clear about what is meant by motivations or to leave them as scopes or conditions that favor the intervention but not as motivations. If we stick with motivations, it is necessary to better explain the concepts and what they are going to refer to in the analysis of the evidence, it is not very clear.

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Reviewer #1: No

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Motivation, barriers and preferences of lifestyle changes among older adults with frailty and mild cognitive impairments: A scoping review of qualitative analysis

PONE-D-24-29738R1

Dear Dr. Mat Ludin,

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

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Kind regards,

Mario Ulises Pérez-Zepeda, M.D., Ph.D.

Academic Editor

PLOS ONE

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