Accès ouvert
2026
article
OpenAlex
Takuya Inouye, Daisuke Higeta, Kei Hamazaki, Akira Iwase et autres
PURPOSE: Hypertensive disorders of pregnancy (HDP) are a leading cause of maternal and perinatal morbidity. Although n-3 polyunsaturated fatty acids (PUFAs) in fish may prevent HDP, evidence from Japanese populations, particularly regarding the preconception period, remains limited. To examine associations between fish …
jp
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Accès ouvert
2026
article
OpenAlex
Kenta Matsumura, Hidekuni Inadera, Megumi Kushima, Akiko Tsuchida et autres
Background Onset of Kawasaki disease has been linked to atmospheric dust and various everyday environmental exposures, including immune stimulation; however, its association with household-specific indoor particulate matter (PM) concentrations remains unclear. Therefore, we examined the associations of indoor PM 2.5 and PM …
jp
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Accès ouvert
2026
article
OpenAlex
Kazue Ishitsuka, Sjurdur Frodi Olsen, Thorhallur Halldorsson, Naho Morisaki et autres
OBJECTIVES: Cow milk is rich in essential nutrients for fetal growth. We investigated associations of maternal milk intake and macronutrient intake from milk with birth size. METHODS: We included 79,976 mother-infant pairs from an ongoing nationwide prospective Japanese cohort study. Maternal milk …
jp, dk, us, is
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Accès ouvert
2026
article
OpenAlex
Yasuaki Saijo, Yukihiro Sato, Hiroyuki Shiotsuki, Tomoki Ishikawa et autres
BACKGROUND: Whereas underweight and obesity have been reported as risk factors for postpartum depression (PD), in Japan, younger women tend to express a stronger preference to have a lower body mass index (BMI). In this study, we aimed to examine the association …
jp
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Accès ouvert
2026
article
OpenAlex
Yasuaki Saijo, Yukihiro Sato, Hiroyuki Shiotsuki, Eiji Yoshioka
We aimed to elucidate the relationship between medical school type, and subsequent rural practice among internal medicine (IM) doctors.We analyzed data from the national census of medical doctors for 2018, 2020, and 2022.The primary outcome was retention in or migration to rural …
jp
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Accès ouvert
2025
article
OpenAlex
Hiroshi Morimura, Yukihiro Sato, Eiji Yoshioka, Yasuaki Saijo
BACKGROUND: While the short-term impact of financial difficulties due to the COVID-19 pandemic among undergraduate students has been studied, the prolonged impact remains largely unknown. This study aims to investigate the association between perceived financial decline due to the COVID-19 pandemic and …
jp
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Accès ouvert
2025
article
OpenAlex
Yasuaki Saijo, Eiji Yoshioka, Yukihiro Sato, Hiroyuki Shiotsuki et autres
Sick building syndrome (SBS) is caused by having unhealthy indoor environments. Multiple chemical sensitivity (MCS) is a chronic condition that is potentially triggered by low-level chemical exposure. Demographic factors, lifestyle factors, and comorbidities have been reported as potential risk factors of both …
jp
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Accès ouvert
2024
article
OpenAlex
Yukihiro Sato, Ichiro Kawachi, Yasuaki Saijo, Eiji Yoshioka et autres
BACKGROUND: The COVID-19 pandemic was associated with an increase in conspiracy theories worldwide. However, in Japan, the prevalence of COVID-19 conspiracy beliefs has remained unclear. This study aimed to estimate the prevalence and correlates of COVID-19 conspiracy beliefs using a survey of …
jp, us
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Accès ouvert
2024
preprint
OpenAlex
Yukihiro Sato, Ichiro Kawachi, Yasuaki Saijo, Eiji Yoshioka et autres
Abstract Background The COVID-19 pandemic was associated with an increase in conspiracy theories worldwide. However, the prevalence of COVID-19 conspiracy beliefs among Japanese has remained unclear. This study aimed to estimate the prevalence and correlates of COVID-19 conspiracy beliefs in Japan using …
jp, us
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Takanobu Akagi, Yasuaki Saijo, Eiji Yoshioka, Yukihiro Sato et autres
OBJECTIVES: To investigate the association between multimorbidity during pregnancy and neurodevelopmental delay in offspring using data from a Japanese nationwide birth cohort study. DESIGN: This study was a prospective birth cohort study. SETTING: This study population included 104 059 fetal records who …
jp
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Accès ouvert
2024
article
OpenAlex
Eiji Yoshioka, Sharon J. B. Hanley, Yukihiro Sato, Yasuaki Saijo
PURPOSE: Previous studies have reported that levels of rurality and deprivation are factors associated with suicide risk. Reports on the association between rurality, deprivation and suicide incidence during the COVID-19 pandemic are scarce. The study aims to investigate how suicide rates evolved …
jp, gb
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Accès ouvert
2024
article
OpenAlex
Yasuaki Saijo, Eiji Yoshioka, Yukihiro Sato, Yuki Kunori et autres
Socioeconomic status and smoking are reportedly associated with underweight and obesity; however, their associations among pregnant women are unknown. This study aimed to investigate whether socioeconomic factors, namely educational attainment, household income, marital status, and employment status, were associated with pre-pregnancy body …
jp
(code pays fourni par la source)