Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder
Toshiaki Kikuchi,1 Jun-ichi Iga,2 Atsushi Hattori,3 Fumie Tokuda,3 Yoshiya Moriguchi,4 Tatsuya Hoshino3 1Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan; 2Department of Neuropsychiatry, Ehime University Graduate School of Medicine, Ehime, Japan; 3Japan Medical Office,...
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Dove Medical Press
2025-04-01
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| author | Kikuchi T Iga JI Hattori A Tokuda F Moriguchi Y Hoshino T |
| author_facet | Kikuchi T Iga JI Hattori A Tokuda F Moriguchi Y Hoshino T |
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| description | Toshiaki Kikuchi,1 Jun-ichi Iga,2 Atsushi Hattori,3 Fumie Tokuda,3 Yoshiya Moriguchi,4 Tatsuya Hoshino3 1Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan; 2Department of Neuropsychiatry, Ehime University Graduate School of Medicine, Ehime, Japan; 3Japan Medical Office, Takeda Pharmaceutical Company Ltd, Tokyo, Japan; 4Medical Affairs, Lundbeck Japan K.K., Tokyo, JapanCorrespondence: Tatsuya Hoshino, Japan Medical Office, Takeda Pharmaceutical Company Ltd, 1– 1, Nihonbashi-Honcho 2-Chome, Chuo-ku Tokyo, 103-8668, Japan, Tel +81-3-3278-2111, Email tatsuya.hoshino@takeda.comBackground: Emotional blunting (EB), defined as a flattening of emotions and emotional indifference, is reported by many patients with major depressive disorder (MDD) taking antidepressants. Severity of EB correlates with depressive symptoms, as well as deficits in social function, anxiety and health-related quality of life. However, awareness and understanding of EB and its impact on treatment of MDD remain poorly understood.Methods: This was a post hoc analysis of data from a web-based survey of 3376 adults with MDD in Japan. The primary endpoint was the correlation between total and subdomain scores of the Oxford Depression Questionnaire (ODQ; a validated instrument to assess EB) and total and individual domain/item scores of the Work and Social Adjustment Scale (WSAS) and Patient Health Questionnaire 9-item (PHQ-9). The secondary endpoint explored which patients had a discrepancy between EB symptoms (assessed by the ODQ) and their own evaluation of EB (using a validated screening question).Results: There was a moderate correlation between the ODQ total score and the WSAS total score (Spearman’s rank correlation coefficient [rs] = 0.578) and a strong correlation between the ODQ total score and PHQ-9 total score (rs = 0.670). Multiple regression analyses showed that the ODQ subdomains “not caring” (NC) and “reduction in positive emotions” (PR) had the greatest impact on both the WSAS total score (partial regression coefficients = 1.034 and 0.501, respectively) and PHQ-9 total score (partial regression coefficients = 0.548 and 0.592, respectively). A higher proportion of men (versus women) and unemployed individuals (versus employed individuals) underestimated their EB severity compared with their ODQ score.Conclusion: The ODQ subdomains of NC and PR are important factors when evaluating the impact of EB on social function and severity of depressive symptoms in patients with MDD. Physicians should assess EB symptoms for each patient, considering the patient’s background.Keywords: health-related quality of life, natural language analysis, online survey, Oxford Depression Questionnaire, patient health questionnaire 9-item, work and social adjustment scale |
| format | Article |
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| language | English |
| publishDate | 2025-04-01 |
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| series | Neuropsychiatric Disease and Treatment |
| spelling | doaj-art-cad191cbda67476aa2a612c31a76bea12025-08-20T03:09:13ZengDove Medical PressNeuropsychiatric Disease and Treatment1178-20212025-04-01Volume 21841854102021Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive DisorderKikuchi TIga JIHattori ATokuda FMoriguchi YHoshino TToshiaki Kikuchi,1 Jun-ichi Iga,2 Atsushi Hattori,3 Fumie Tokuda,3 Yoshiya Moriguchi,4 Tatsuya Hoshino3 1Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan; 2Department of Neuropsychiatry, Ehime University Graduate School of Medicine, Ehime, Japan; 3Japan Medical Office, Takeda Pharmaceutical Company Ltd, Tokyo, Japan; 4Medical Affairs, Lundbeck Japan K.K., Tokyo, JapanCorrespondence: Tatsuya Hoshino, Japan Medical Office, Takeda Pharmaceutical Company Ltd, 1– 1, Nihonbashi-Honcho 2-Chome, Chuo-ku Tokyo, 103-8668, Japan, Tel +81-3-3278-2111, Email tatsuya.hoshino@takeda.comBackground: Emotional blunting (EB), defined as a flattening of emotions and emotional indifference, is reported by many patients with major depressive disorder (MDD) taking antidepressants. Severity of EB correlates with depressive symptoms, as well as deficits in social function, anxiety and health-related quality of life. However, awareness and understanding of EB and its impact on treatment of MDD remain poorly understood.Methods: This was a post hoc analysis of data from a web-based survey of 3376 adults with MDD in Japan. The primary endpoint was the correlation between total and subdomain scores of the Oxford Depression Questionnaire (ODQ; a validated instrument to assess EB) and total and individual domain/item scores of the Work and Social Adjustment Scale (WSAS) and Patient Health Questionnaire 9-item (PHQ-9). The secondary endpoint explored which patients had a discrepancy between EB symptoms (assessed by the ODQ) and their own evaluation of EB (using a validated screening question).Results: There was a moderate correlation between the ODQ total score and the WSAS total score (Spearman’s rank correlation coefficient [rs] = 0.578) and a strong correlation between the ODQ total score and PHQ-9 total score (rs = 0.670). Multiple regression analyses showed that the ODQ subdomains “not caring” (NC) and “reduction in positive emotions” (PR) had the greatest impact on both the WSAS total score (partial regression coefficients = 1.034 and 0.501, respectively) and PHQ-9 total score (partial regression coefficients = 0.548 and 0.592, respectively). A higher proportion of men (versus women) and unemployed individuals (versus employed individuals) underestimated their EB severity compared with their ODQ score.Conclusion: The ODQ subdomains of NC and PR are important factors when evaluating the impact of EB on social function and severity of depressive symptoms in patients with MDD. Physicians should assess EB symptoms for each patient, considering the patient’s background.Keywords: health-related quality of life, natural language analysis, online survey, Oxford Depression Questionnaire, patient health questionnaire 9-item, work and social adjustment scalehttps://www.dovepress.com/impact-of-emotional-blunting-on-patient-social-function-and-depressive-peer-reviewed-fulltext-article-NDThealth-related quality of lifenatural language analysisonline surveyoxford depression questionnairepatient health questionnaire 9-itemwork and social adjustment scale. |
| spellingShingle | Kikuchi T Iga JI Hattori A Tokuda F Moriguchi Y Hoshino T Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder Neuropsychiatric Disease and Treatment health-related quality of life natural language analysis online survey oxford depression questionnaire patient health questionnaire 9-item work and social adjustment scale. |
| title | Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder |
| title_full | Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder |
| title_fullStr | Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder |
| title_full_unstemmed | Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder |
| title_short | Impact of Emotional Blunting on Patient Social Function and Depressive Symptoms: A Post Hoc Analysis of a Web-Based Survey in Japanese Patients with Major Depressive Disorder |
| title_sort | impact of emotional blunting on patient social function and depressive symptoms a post hoc analysis of a web based survey in japanese patients with major depressive disorder |
| topic | health-related quality of life natural language analysis online survey oxford depression questionnaire patient health questionnaire 9-item work and social adjustment scale. |
| url | https://www.dovepress.com/impact-of-emotional-blunting-on-patient-social-function-and-depressive-peer-reviewed-fulltext-article-NDT |
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