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Shinichiro Tomitaka

Biographic Data

ID7963193
NAMEShinichiro Tomitaka
GIVEN NAMESShinichiro
FAMILY NAMETomitaka
SIGNATURETOMITAKA S
AFFILIATIONSPanasonic (Japan)
ORCID0000-0002-7161-6967
VERIFIEDYes
TOTAL WORKS4
TOTAL CITATIONS0
AUTHOR COUNT4
EDITOR COUNT0
FIRST PUBLICATION YEAR2017
LATEST PUBLICATION YEAR2021
H-INDEX0
  • The GAD-7 and the PHQ-8 exhibit the same mathematical pattern of item responses in the general population

    Open Access•Shinichiro Tomitaka, Toshi A Furukawa•ARTICLE•BMC Psychology•2021

    Our results suggest that the symptom criteria of generalized anxiety disorder and major depression have a common distribution pattern in the general population

  • Age-Related Changes in Item Responses to the Patient Health Questionnaire-9

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2020

    This study demonstrated that item responses for the PHQ-9 followed a similar mathematical pattern across the adult lifespan. Moreover, our findings suggested that the probability of a response of "nearly every day" played an important role in age-related changes in PHQ-9 total scores across adulthood

  • Stability of the Distribution of Patient Health Questionnaire-9 Scores Against Age in the General Population

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2018

    Background: Epidemiological studies using the nine-item Patient Health Questionnaire (PHQ-9) have reported inconsistencies regarding the relationship between age and total scores. To determine whether this discrepancy is due to the stability of the distribution of PHQ-9 total scores against age, we investigated whether the total score distribution remains stable during adulthood, and also investigated the mathematical patterns of the total score …

  • Item Response Patterns on the Patient Health Questionnaire-8 in a Nationally Representative Sample of US Adults

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2017

    Recent studies have shown that item responses on the Center for Epidemiologic Studies Depression Scale (CES-D) and Kessler Screening Scale for Psychological Distress (K6) exhibit the same characteristic item response patterns among the general population. However, the distributional patterns of responses on the Patient Health Questionnaire-8 (PHQ-8) among the general population have not been adequately studied. Thus, we conducted a pattern analys…

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  • Item Response Patterns on the Patient Health Questionnaire-8 in a Nationally Representative Sample of US Adults

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2017

    Recent studies have shown that item responses on the Center for Epidemiologic Studies Depression Scale (CES-D) and Kessler Screening Scale for Psychological Distress (K6) exhibit the same characteristic item response patterns among the general population. However, the distributional patterns of responses on the Patient Health Questionnaire-8 (PHQ-8) among the general population have not been adequately studied. Thus, we conducted a pattern analys…

  • Stability of the Distribution of Patient Health Questionnaire-9 Scores Against Age in the General Population

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2018

    Background: Epidemiological studies using the nine-item Patient Health Questionnaire (PHQ-9) have reported inconsistencies regarding the relationship between age and total scores. To determine whether this discrepancy is due to the stability of the distribution of PHQ-9 total scores against age, we investigated whether the total score distribution remains stable during adulthood, and also investigated the mathematical patterns of the total score …

  • Age-Related Changes in Item Responses to the Patient Health Questionnaire-9

    Open Access•Shinichiro Tomitaka, Yohei Kawasaki et al.•ARTICLE•Frontiers in Psychiatry•2020

    This study demonstrated that item responses for the PHQ-9 followed a similar mathematical pattern across the adult lifespan. Moreover, our findings suggested that the probability of a response of "nearly every day" played an important role in age-related changes in PHQ-9 total scores across adulthood

  • The GAD-7 and the PHQ-8 exhibit the same mathematical pattern of item responses in the general population

    Open Access•Shinichiro Tomitaka, Toshi A Furukawa•ARTICLE•BMC Psychology•2021

    Our results suggest that the symptom criteria of generalized anxiety disorder and major depression have a common distribution pattern in the general population

Clinical Psychology (4 works) · Clinical Psychology (4 works) · Population (4 works) · Psychiatry (4 works) · Anxiety (3 works) · Depressive symptoms (3 works) · Environmental health (3 works) · Health disparities and outcomes (3 works) · Medicine (3 works) · National Health and Nutrition Examination Survey (3 works)

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