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Socioeconomic status and psychosocial or contextual factors related to the use of infant formula and follow-up milk: a survey among Japanese mothers

Published Online: 2026-02-07

Authors

Endoh, Kaori
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Text and Data Mining valid from 2026-02-07

Version of Record valid from 2026-03-11
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Article History

Received: 29 January 2025

Accepted: 30 January 2026

First Online: 7 February 2026

Declarations

:

: The study was approved by the Research Ethics Review Committee of Kyoritsu Women’s University and Kyoritsu Women’s Junior College (approval number: KWU-IRBA#23028). This study was conducted in compliance with the Declaration of Helsinki (March 2013) and the Ethical Guidelines for Life Science and Medical Research Involving Human Participants (March 23, 2021). Before answering the questionnaire, participants were shown a screen with an explanatory document including the contact details of the principal investigator. Only those who understood the purpose of the research and provided informed consent were able to proceed to the screen to answer the questionnaire. If there were any items that the participants did not want to answer, they could choose not to.

: Not applicable.

: The authors declare no competing interests.

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