PONE-D-24-28213Mental well-being in Swedish adolescents 2014-2023: a repeated population-based cross-sectional study focusing on temporal variations and differences between groupsPLOS ONE

Dear Dr. Uvhagen,

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PLOS ONE

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Additional Editor Comments:

Dear Lena

Your manuscript has now been reviewed and we will like to invite you to make the following revisions to your manuscript.

This study is interesting as it has a focus on mental well-being in adolescents, considering both differences over time and between groups. Overall, the manuscript is well structured with alignment between different parts of the content. I have, however, some questions and comments mainly regarding the method section.

The title is informative and aligned with aim and research questions. The abstract coherently corresponds to the content in the manuscript. The introduction gives a review of previous research and describes both the knowledge gap and rationale for this study.

In materials and methods, it would be of interest for the reader with justifications for choice of design and choice of statistical analyses (normal distributed data?). A description of the demographics in Västmanland County is of value also for the discussion of generalization of the findings. Further, a description of the reliability and validity of the measures mental well-being and self-reported socioeconomic status is useful to have in the section of material and methods instead of mentioning it in the discussion.

In the result section is missing data described, how was it treated?

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Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

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Reviewer #1: Yes

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2. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

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Reviewer #1: Yes

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Reviewer #1: Yes

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5. Review Comments to the Author

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Reviewer #1: This study is interesting as it has a focus on mental well-being in adolescents, considering both differences over time and between groups. Overall, the manuscript is well structured with alignment between different parts of the content. I have, however, some questions and comments mainly regarding the method section.

The title is informative and aligned with aim and research questions. The abstract coherently corresponds to the content in the manuscript. The introduction gives a review of previous research and describes both the knowledge gap and rationale for this study.

In materials and methods, it would be of interest for the reader with justifications for choice of design and choice of statistical analyses (normal distributed data?). A description of the demographics in Västmanland County is of value also for the discussion of generalization of the findings. Further, a description of the reliability and validity of the measures mental well-being and self-reported socioeconomic status is useful to have in the section of material and methods instead of mentioning it in the discussion.

In the result section is missing data described, how was it treated?

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Reviewer #1: Yes:  Lene Lindberg

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Mental well-being in Swedish adolescents 2014-2023: a repeated population-based cross-sectional study focusing on temporal variations and differences between groups

PONE-D-24-28213R1

Dear Lena,

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.

Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication.

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Kind regards,

Angelina Wilson Fadiji, PhD

Academic Editor

PLOS ONE

Additional Editor Comments (optional):

Reviewers' comments: