Evidence map›Paper›PMID 41290213›Full record

ArticleThe journal of obstetrics and gynaecology research2025

The Short-Term Impacts of Japan's 2024 Physician Working-Hour Limits on Labor Conditions, Self-Directed Professional Development, and Happiness Among Obstetrician-Gynecologists.

Yuto Maeda, Satoru Nakagawa, Kentaro Nakanishi, Eri Inoue, Daisuke Inoue, Saki Kido, Michiko Kido, Kaori Koga, Shunji Suzuki, Yukio Suzuki and 18 more

Abstract read
In one paragraph

Article in The journal of obstetrics and gynaecology research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

28 authors.

Yuto MaedaDepartment of Public Health, Institute of Science Tokyo, Tokyo, Japan.
Satoru NakagawaDepartment of Obstetrics and Gynecology, Osaka University, Osaka, Japan.
Kentaro NakanishiDepartment of Obstetrics and Gynecology, Asahikawa Medical University, Asahikawa, Hokkaido, Japan.ORCID https://orcid.org/0000-0002-0409-584X
Eri InoueAiiku Maternal and Child Health Center, Aiiku Hospital, Tokyo, Japan.
Daisuke InoueDepartment of Obstetrics and Gynecology, University of Fukui, Fukui, Japan.
Saki KidoDepartment of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.ORCID https://orcid.org/0000-0002-5271-8167
Michiko KidoDepartment of Obstetrics and Gynecology, Japanese Red Cross Medical Center, Tokyo, Japan.
Kaori KogaDepartment of Obstetrics and Gynecology, Reproductive Medicine Chiba University, Chiba, Japan.
Shunji SuzukiDepartment of Obstetrics and Gynecology, Nippon Medical School, Tokyo, Japan.
Yukio SuzukiDepartment of Gynecology, Kanagawa Cancer Center, Yokohama, Kanagawa, Japan.
Junko HaragaDepartment of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
Hisashi MasuyamaDepartment of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
Eiko YamamotoDepartment of Healthcare Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan.ORCID https://orcid.org/0000-0002-0517-5091
Takeshi UmazumeDepartment of Obstetrics and Gynecology, Hokkaido University, Sapporo, Hokkaido, Japan.ORCID https://orcid.org/0000-0001-9236-9945
Yoshihito YokoyamaDepartment of Obstetrics and Gynecology, Hirosaki University Graduate School of Medicine, Aomori, Japan.
Akira IwaseDepartment of Obstetrics and Gynecology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan.
Tomoaki IkedaSaiseikai Matsusaka General Hospital, Matsusaka, Mie, Japan.
Yoshio YoshidaDepartment of Obstetrics and Gynecology, University of Fukui, Fukui, Japan.ORCID https://orcid.org/0000-0003-0769-0385
Yoshiki KudoDepartment of Obstetrics and Gynecology, Hiroshima University, Hiroshima, Japan.
Takashi SugiyamaDepartment of Obstetrics and Gynecology, Ehime University Graduate School of Medicine, Touon, Ehime, Japan.
Kiyonori MiuraDepartment of Obstetrics and Gynecology, Nagasaki University, Nagasaki, Japan.ORCID https://orcid.org/0000-0001-5396-8881
Hideaki YahataDepartment of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.ORCID https://orcid.org/0000-0003-3142-8993
Nobuya UnnoCenter for Perinatal Medicine, JCHO Sagamino Hospital, Sagamihara, Kanagawa, Japan.ORCID https://orcid.org/0000-0002-6484-8620
Kentaro KurasawaDepartment of Obstetrics and Gynecology, Yokohama City University Graduate School of Medicine, Yokohama, Japan.ORCID https://orcid.org/0000-0003-2224-4455
Takahide MaenakaDepartment of Obstetrics and Gynecology, Higashiosaka City Medical Center, Osaka, Japan.
Etsuko MiyagiDepartment of Obstetrics and Gynecology, Yokohama City University Graduate School of Medicine, Yokohama, Japan.ORCID https://orcid.org/0000-0002-5492-0844
Kiyoko KatoDepartment of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.ORCID https://orcid.org/0000-0003-0047-7637
Yasuhito KatoDepartment of Obstetrics and Gynecology, Asahikawa Medical University, Asahikawa, Hokkaido, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo examine the short-term impacts of Japan's newly implemented physician working-hour limits (April 2024) on working conditions, self-directed professional development (SDPD), defined as activities undertaken outside working hours to enhance one's professional skills, and work-related happiness among obstetrician-gynecologists (OB-GYNs).

methodsAn online survey was conducted between July 8 and July 31, 2024, targeting 867 Japan Society of Obstetrics and Gynecology members. Five hundred and fourteen full-time practitioners who had not changed workplaces around April 2024 and had no missing data were analyzed. Participants were stratified by regulation levels (A, B, C, discretionary labor system, those who don't know their own level), and their working hours, anticipated income, SDPD satisfaction, and happiness (0-10 scale) were assessed. We used multivariate linear regression to evaluate the influence of labor condition changes on happiness and explored interactions involving unpaid overtime, income changes, and SDPD satisfaction.

resultsCompared with level A (up to 960 h of overtime per year), participants at levels B and C (up to 1860 h of overtime per year) reported significantly lower happiness (p < 0.001). Most respondents observed no major shifts in working conditions since March 2024, yet about 40% did not record SDPD hours that meet the working hour requirement as official work time. Adjusted analyses revealed that decreased income and unsatisfactory SDPD significantly lowered happiness, whereas higher SDPD satisfaction increased it (β: -0.64 [-1.07, -0.21], -0.98 [-1.46, -0.50], and 0.90 [0.44, 1.35], respectively). Subgroup analysis indicated that rising unpaid overtime further reduced happiness among those dissatisfied with SDPD (-1.43 [-2.41, -0.45]).

conclusionsThe new working-hour limits had minimal impact on labor conditions in the short run. However, satisfaction with SDPD was positively associated with happiness, whereas anticipated decreases in income were correlated with lower happiness.

Indexed as

GynecologyHappinessJob SatisfactionObstetricsPersonnel Staffing and SchedulingPhysiciansWorkloadAdultFemaleGynecologistsHumansJapanMaleMiddle AgedObstetriciansSurveys and Questionnairesgynecologistshappinessobstetricianworking‐hour limitswork style reform

Identifiers

PMID41290213
PMCPMC12646816

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LicenceCC BY-NC
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.