Personality of seasonal affective disorder analyzed by Tri-dimensional Personality Questionnaire

Nobuhisa Maeno, Kazunori Kusunoki, Tsuyoshi Kitajima, Nakao Iwata, Yuichiro Ono, Shuji Hashimoto, Makoto Imai, Lan Li, Yuhei Kayukawa, Tatsuro Ohta, Norio Ozaki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background: Although there have been numerous reports in personality of mood disorders, there have been few reports in regard with personality of winter seasonal affective disorder (SAD). Furthermore, no reports have been published concerning summer SAD personality characteristics. Thus, this study was conducted to assess the personality of winter and summer SAD using Tri-dimensional Personality Questionnaire (TPQ) that have been used in a variety of mental disorders. Methods: A total of 6135 Japanese were evaluated with TPQ, the Seasonal Pattern Assessment Questionnaire (SPAQ) and the Self-rating Depression Scale (SDS). Winter, summer and non-SAD groups were classified by SPAQ. We compared the difference of personality trait among these three groups in consideration of gender, age and SDS score influence. Results: Winter SAD demonstrated higher "Novelty Seeking" and "Harm Avoidance"; summer SAD showed higher "Harm Avoidance" than the non-SAD group. "Harm Avoidance" in both SAD groups was re-analyzed using SDS score as a covariate, and "Novelty Seeking" in winter SAD using age as a covariate. As a result, the significance of high "Novelty Seeking" and high "Harm Avoidance" in winter SAD was excluded. However, "Harm Avoidance" remained the significant difference between summer and non-SAD. Limitation: SAD was diagnosed only by SPAQ and not by interview. The state-dependency of "Harm Avoidance" was not confirmed in identical patients over lapse of time. Conclusion: Patients with winter SAD have high "Harm Avoidance" dependent on the depressive state that is in accordance with non-seasonal depression. Patients with summer SAD have high "Harm Avoidance" possibly independent from the depressive state.

Original languageEnglish
Pages (from-to)267-273
Number of pages7
JournalJournal of Affective Disorders
Volume85
Issue number3
DOIs
Publication statusPublished - 01-01-2005

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Seasonal Affective Disorder
Personality
Mood Disorders
Depression
Surveys and Questionnaires
Personality Disorders
Mental Disorders

All Science Journal Classification (ASJC) codes

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

Maeno, Nobuhisa ; Kusunoki, Kazunori ; Kitajima, Tsuyoshi ; Iwata, Nakao ; Ono, Yuichiro ; Hashimoto, Shuji ; Imai, Makoto ; Li, Lan ; Kayukawa, Yuhei ; Ohta, Tatsuro ; Ozaki, Norio. / Personality of seasonal affective disorder analyzed by Tri-dimensional Personality Questionnaire. In: Journal of Affective Disorders. 2005 ; Vol. 85, No. 3. pp. 267-273.
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Personality of seasonal affective disorder analyzed by Tri-dimensional Personality Questionnaire. / Maeno, Nobuhisa; Kusunoki, Kazunori; Kitajima, Tsuyoshi; Iwata, Nakao; Ono, Yuichiro; Hashimoto, Shuji; Imai, Makoto; Li, Lan; Kayukawa, Yuhei; Ohta, Tatsuro; Ozaki, Norio.

In: Journal of Affective Disorders, Vol. 85, No. 3, 01.01.2005, p. 267-273.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Personality of seasonal affective disorder analyzed by Tri-dimensional Personality Questionnaire

AU - Maeno, Nobuhisa

AU - Kusunoki, Kazunori

AU - Kitajima, Tsuyoshi

AU - Iwata, Nakao

AU - Ono, Yuichiro

AU - Hashimoto, Shuji

AU - Imai, Makoto

AU - Li, Lan

AU - Kayukawa, Yuhei

AU - Ohta, Tatsuro

AU - Ozaki, Norio

PY - 2005/1/1

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N2 - Background: Although there have been numerous reports in personality of mood disorders, there have been few reports in regard with personality of winter seasonal affective disorder (SAD). Furthermore, no reports have been published concerning summer SAD personality characteristics. Thus, this study was conducted to assess the personality of winter and summer SAD using Tri-dimensional Personality Questionnaire (TPQ) that have been used in a variety of mental disorders. Methods: A total of 6135 Japanese were evaluated with TPQ, the Seasonal Pattern Assessment Questionnaire (SPAQ) and the Self-rating Depression Scale (SDS). Winter, summer and non-SAD groups were classified by SPAQ. We compared the difference of personality trait among these three groups in consideration of gender, age and SDS score influence. Results: Winter SAD demonstrated higher "Novelty Seeking" and "Harm Avoidance"; summer SAD showed higher "Harm Avoidance" than the non-SAD group. "Harm Avoidance" in both SAD groups was re-analyzed using SDS score as a covariate, and "Novelty Seeking" in winter SAD using age as a covariate. As a result, the significance of high "Novelty Seeking" and high "Harm Avoidance" in winter SAD was excluded. However, "Harm Avoidance" remained the significant difference between summer and non-SAD. Limitation: SAD was diagnosed only by SPAQ and not by interview. The state-dependency of "Harm Avoidance" was not confirmed in identical patients over lapse of time. Conclusion: Patients with winter SAD have high "Harm Avoidance" dependent on the depressive state that is in accordance with non-seasonal depression. Patients with summer SAD have high "Harm Avoidance" possibly independent from the depressive state.

AB - Background: Although there have been numerous reports in personality of mood disorders, there have been few reports in regard with personality of winter seasonal affective disorder (SAD). Furthermore, no reports have been published concerning summer SAD personality characteristics. Thus, this study was conducted to assess the personality of winter and summer SAD using Tri-dimensional Personality Questionnaire (TPQ) that have been used in a variety of mental disorders. Methods: A total of 6135 Japanese were evaluated with TPQ, the Seasonal Pattern Assessment Questionnaire (SPAQ) and the Self-rating Depression Scale (SDS). Winter, summer and non-SAD groups were classified by SPAQ. We compared the difference of personality trait among these three groups in consideration of gender, age and SDS score influence. Results: Winter SAD demonstrated higher "Novelty Seeking" and "Harm Avoidance"; summer SAD showed higher "Harm Avoidance" than the non-SAD group. "Harm Avoidance" in both SAD groups was re-analyzed using SDS score as a covariate, and "Novelty Seeking" in winter SAD using age as a covariate. As a result, the significance of high "Novelty Seeking" and high "Harm Avoidance" in winter SAD was excluded. However, "Harm Avoidance" remained the significant difference between summer and non-SAD. Limitation: SAD was diagnosed only by SPAQ and not by interview. The state-dependency of "Harm Avoidance" was not confirmed in identical patients over lapse of time. Conclusion: Patients with winter SAD have high "Harm Avoidance" dependent on the depressive state that is in accordance with non-seasonal depression. Patients with summer SAD have high "Harm Avoidance" possibly independent from the depressive state.

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