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Toshinori Kitamura

Toshinori Kitamura
Kitamura Institute of Mental Health Tokyo · Dean

MD, PhD, FRPsych

About

303
Publications
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Introduction
Toshinori Kitamura currently works as the Dean, Kitamura Institute of Mental Health Tokyo. Toshinori does research in Psychiatry, Abnormal Psychology and Health Psychology.

Publications

Publications (303)
Article
Full-text available
The Nausea and Vomiting of Pregnancy Quality of Life (NVP QOL) Questionnaire is a self‐report measure of health‐related QOL for nausea and vomiting during pregnancy. This study determines the best fitting factor structure for the NVP QOL Questionnaire and explores its measurement invariance in terms of observation time and parity. A test–retest stu...
Article
Parenting styles are determinants of psychosocial maladjustment in the subsequent generation. Modifiable factors that positively impact intergenerational transmission should be identified. Thus, this study investigated the mediating effects of adult attachment on the transmission of child‐rearing styles and the combined impact of fathers' and mothe...
Article
Full-text available
Abstract: Background: Stigma towards COVID-19 may negatively impact people who suffer from it and those supporting and treating them. Objective: To develop and validate a scale to assess 11-item COVID-19–related stigma. Methods: A total of 696 pregnant women at a gestational age of 12 to 15 weeks were surveyed using an online survey with a newly de...
Article
Full-text available
Aim: Although infant crying is a prerequisite for a baby's survival, it often leads to negative consequences for the caregivers. We hypothesized that this would be mediated by a primary emotion that we feel directly in response to an internal or external event. Hence, this study aimed to develop a new scale to measure basic and self-conscious emoti...
Article
Full-text available
The Infant Behavior Questionnaire-Revised (IBQ-R) assesses the temperament of infants in Western and non-Western countries. Although its factor analyses revealed three factors—surgency, negative affectivity, and effortful control—in the Western culture, the degree to which these are universal or culturally specific is unclear. This study developed...
Article
Full-text available
Background: The severity of nausea and vomiting of pregnancy (NVP) correlates with pregnancy complications. This study aimed to confirm the measurement and structural invariance of the 24 h Pregnancy-Unique Quantification of Emesis and Nausea (PUQE-24) regarding parity and observation time among pregnant women during the first trimester. Methods:...
Preprint
Full-text available
Background The Japanese version of the mother-to-infant bonding scale (MIBS-J), a self-report of postnatal bonding disorder, is widely used in Japan. However, its psychometric properties, particularly measurement invariance, have rarely been reported, and the appropriateness of the use of the MIBS-J among perinatal fathers remains to be investigate...
Article
Full-text available
Background: Temperament involves individual variations in behavioural tendencies of emotional responses and reactions to stimuli after birth. Because ‘foetal programming' is a strong hypothesis in developing temperament, prenatal and intrapartum factors may be significant determinants of infant temperament. This systematic literature review aims to...
Preprint
Full-text available
Background The severity of nausea and vomiting of pregnancy (NVP) correlates with pregnancy complications. This study aimed to confirm the measurement and structural invariance of the 24-hour Pregnancy-Unique Quantification of Emesis and Nausea (PUQE-24) regarding parity and observation time among pregnant women during the first trimester. Methods...
Article
Background Despite the research and clinical significance of the Postpartum Bonding Questionnaire (PBQ), its psychometric properties have not been studied intensively. The goodness-of-fit of proposed factor models of the PBQ is poor. Configural and measurement invariance have never been reported. Methods As a secondary analysis of the previous pap...
Article
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The Caesarean section rate in urban Vietnam is 43% in 2014, which is more than twice the recommended rate (10%-15%) by the World Health Organization. This qualitative study aims to identify the perceptions of pregnant mothers and health care professionals on the medical and social factors related to the increased Caesarean section rate in Vietnam....
Article
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Aim: This study aims at identifying a group/groups of women during the perinatal period with thought of self-harm, which is reflected by preceded suicidal ideation, by cluster analysis and clarify their psychological correlates. Methods: A secondary analysis was conducted using the data of the longitudinal study investigated in 18 obstetric clin...
Article
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Background The Edinburgh Postnatal Depression Scale (EPDS; Cox, Holden & Sagovsky, 1987) has been widely used as a screening instrument. It is also used as a measure of Postnatal Depression (PND) severity. Various EPDS factor structure models have been proposed in many studies without an unequivocal conclusion. We compared first-order, higher-order...
Article
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The presently reported patient was a 37-year-old married primipara with peripartum depression comorbid with bonding disorder. Care anxiety and a lack of affection towards her baby first appeared at around the time of delivery, and the patient developed major depression at one month after the birth of her healthy baby. At first, standard treatment f...
Article
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Background: The EASI (measuring Emotionality, Activity, Sociability, and Impulsivity) is a widely used instrument to measure children’s temperament. However, its factor structure and its measurement and structural invariances have rarely been studied. The purpose of our study is to report the factor structure of the EASI in a larger population in J...
Article
Full-text available
Perinatal depression is prevalent worldwide. However, there are few available studies that discuss the different cultural factors affecting perinatal depression within Asian countries. This study aims to compare the literature regarding related factors relating to perinatal depression in India and Japan, and to synthesize the evidence common to bot...
Article
Full-text available
Aims and objective: The aim of this study was to determine whether the training would influence the psychological mindedness of nurses and midwives. In addition, we explored the relationship of the change of psychological mindedness before and after the training and the correlation with their personality traits. Background: It is important for peri...
Article
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Background The Conflict Tactics Scale 1 (CTS1) is a widely used self-report measure of abusive attitudes of parents towards children. The factor structure of the CTS1 still remains to be clarified. The aim of this study was to examine the factor structure of the Japanese version of the CTS1 for postpartum women in community settings. Method The da...
Article
Background: Difficulty of maternal bonding towards a baby is widely recognised. It is unclear whether this phenomenon is dimensional or categorical. If categorical, an optimal cut-off score of a screening instrument is needed in clinical settings. Aims: In this study, we investigated whether maternal bonding is dimensional or categorical phenome...
Article
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Background Despite its clinical and public policy-making importance, neonatal abuse has been only minimally studied. Purpose To identify predictors of mothers’ emotional abuse towards their infants at 1 month after childbirth. Methods We studied a cohort of 252 women at three time points: late pregnancy and 5 days and 1 month after childbirth. At...
Article
Full-text available
Negative attitudes of mothers towards their infant is conceptualized as postpartum bonding disorder, which leads to serious health problems in perinatal health care. However, its measurement still remains to be standardized. Our aim was to examine and confirm the psychometric properties of the Postnatal Bonding Questionnaire (PBQ) in Japanese mothe...
Article
Full-text available
This questionnaire survey was conducted to study the determinants of stigmatization toward schizophrenia in Japan. A total of 1003 persons living in Kumamoto Prefecture (mean age 25.5; SD=14.1) participated in this study through convenience sampling. They read one of four case vignettes about a person with mental illness and answered questions abou...
Article
Full-text available
This questionnaire survey was conducted to study the determinants of stigmatization toward schizophrenia in Japan. A total of 1003 persons living in Kumamoto Prefecture (mean age 25.5; SD=14.1) participated in this study through convenience sampling. They read one of four case vignettes about a person with mental illness and answered questions abou...
Article
Full-text available
During perinatal period, a variety of mental disorders are often seen among pregnant and child rearing women; psychosis, depression, anxiety disorders including tokophobia (fear of childbirth), panic disorders, and traumatic symptoms due to childbirth. Due to the negative impact on mother’s well-being, childrearing, and family relationships, midwiv...
Article
Accuracy of temperament assessment is a prerequisite of studies. To identify the extent to which parental assessment of child temperament is biased by their personal attributes, we proposed a new structural equation model (SEM) in which the biases of the parental attributes on their assessment of the child's temperament can be separated from the "t...
Article
Full-text available
Background: Although there is a consensus view that stressful life events in general are associated with the onset of depression, it is still unclear whether specific events are linked to depression at a particular life stage. The purpose of this study was to identify hassle events specifically related to postpartum depression. Method: In a two-wav...
Article
Full-text available
Postpartum depression occurs in around 10 % of women in several countries. Among preventive interventions during pregnancy, interpersonal psychotherapy (IPT) is identified to be effective. However, little theoretical explanations for this effect have been proposed. Since the perinatal period is a time that interpersonal conflicts are more likely to...
Article
Full-text available
Different models of factor structure were proposed for the Coping Inventory for Stressful Situa-tions (CISS) as a measure of coping style. This study confirmed psychometric properties and sta-bility of the factor structure and differences among models for various age groups. The CISS of the Japanese version and the Hopkins Symptom Checklist (HSCL)...
Article
Full-text available
Purpose: To study the determinants of current parenting styles in Japan. Methods: Fathers (n = 312) and mothers (n = 333) of children aged between 0 and 10 attending a paediatric clinic were evaluated with regards to the following: parental attitudes rated by spouses using the Parental Bonding Instrument, current dysphoric mood assessed with the Ho...
Article
Few studies in Japan have examined whether children’s later mental health is influenced by the way parental authority is exercised, specifically with a focus on gender. Our main purposes of this study were to confirm the three-factor structure of the Japanese version of the Parental Authority Questionnaire (PAQ) and to verify its reliability and va...
Article
The perinatal period is not free from psychological maladjustment. A variety of mood and anxiety disorders are seen in this period. In addition, psychological problems specific to this life stage are also observed, including bonding disorders and infant abuse. Psychosocial aetiologies have been identified. Psychological treatment is more important...
Article
Full-text available
Introduction:The purpose of this study was to evaluate the psychometric properties of the Impact of Event Scale (IES) among Japanese women after childbirth. Methods: Self-reported questionnaires were distributed to pregnant women in Kumamoto prefectureconsecutivelyon three occasions: late pregnancy (N = 642)andfive days (N = 416) and one month (N =...
Chapter
This study examined the role of narcissistic grandiose self in preventing, as well as in provoking depressive mood by way of negative interpersonal life events. The study sample consisted of 362 Japanese university students. Narcissistic personality and depressive mood were assessed using the Narcissistic Personality Inventory (NPI) and Self-Rating...
Article
Full-text available
Our aim was to examine the hypothesis that bonding difficulty after childbirth is predicted by poor satisfaction with hospital care as well as women's demographic, obstetric, and personality attributes. We investigated 413 women using a set of questionnaires that included the Postnatal Bonding Questionnaire (PBQ), Temperament and Character Inventor...
Article
Text messaging may be excessive and young people may dependent on it. We distributed the Self-perception of Text-message Dependency Scale (STDS), Hospital Anxiety and Depression Scale (HADS), Temperament and Character Inventory (TCI), and Relationship Questionnaire (RQ) to 223 Japanese university students in a two-wave study, separated by a five-mo...
Article
Full-text available
To evaluate the personality correlates of mobile phone text message use in Japanese youth, university students (N = 232) were distributed a set questionnaires containing the Temperament and Character Inventory and items enquiring their text message use. Greater text messaging was associated with high Novelty Seeking (NS). The results of this study...
Article
Full-text available
We examined the psychosocial factors affecting middle-aged Japanese women's intentions to undergo mammography, as well as their actual usage of mammography by applying the Parallel Processing Model (PPM) of self regulation longitudinally. A total of 1030 middle-aged women living in all parts of Japan participated in this study through internet rese...
Article
The coping style that individuals think they will use when encountering stressful situations may differ from actual coping response in real situations. In a longitudinal study on some 500 university students, perceived coping style was identified using the Coping Inventory for Stressful Situations on the first occasion. In the subsequent eight test...
Article
Researchers have suggested that self-efficacy can predict and prevent depression, while negative coping strategies, as typified by rumination, can lead to depression. The authors examined the relationship between self-efficacy, rumination, and depression in Japanese nursing students. The result of a structural equation model showed that rumination,...
Article
Bonding disorders towards their child has been recognized as a serious problem, which might lead to give adverse effects on the relationship with child or maltreatment towards their child. The aim of this study was to identify the factor structure of the Mother-Infant Bonding Scale (MIBS) as well as the determinants of parental bonding disorders in...
Article
Full-text available
Background. To examine the effects of temperament and character domains on depression during pregnancy. Methods. We examined 601 pregnant women using a questionnaire that included the Edinburgh Postnatal Depression Scale (EPDS), the Temperament and Character Inventory (TCI), and demographic variables. Results. In a hierarchical regression analysis,...
Article
Full-text available
Objective: To investigate the relationships between depressive mood, bonding failure, and abusive parenting. Method: We distributed questionnaires to 1198 mothers attending a three-month postnatal health check-up in rural areas in Japan. The questionnaires assessed these three variables along with demographics. We evaluated the causal relationships...
Article
Full-text available
To test possible mediation of the effects of the perceived parenting in childhood on depression, university students (N = 258) were examined using a cross-sectional questionnaire survey. A path model indicated that (1) the effects of dysfunctional attitude (rated by the Dysfunctional Attitude Scale) on depression (rated by the Center for Epidemiolo...
Article
Full-text available
In this paper, we present two carefully documented cases of patients with sleep-related eating disorder (SRED), a parasomnia which is characterized by involuntary compulsive eating during the night and whose pathophysiology is not known. Using video-polysomnography, a dream diary and psychometric examination, we found that both patients present ele...
Data
The Zung-Self-rating Depression Scale (SDS) was distributed to 28,588 first-year university students. Factor analysis using PROMAX rotation revealed three factors interpretable as affective, cognitive, and somatic symptoms. The confirmatory factor analysis showed a goodness-of-fit index of 0.976 and an adjusted goodness-of-fit index of 0.967. The t...
Article
This study focused on the functional aspects of narcissism in regulating self-conscious emotions (guilt, shame, hubristic pride, and achievement-oriented pride) as well as two other attribution styles (externalization and detachment). The authors investigated Japanese university students (N = 452) with regard to their self-conscious emotions using...
Article
Full-text available
Objective. To examine the effects of temperament and character profiles on state and trait depression and anxiety in a Japanese youth population. Method. Japanese university students were solicited for participation in a two-wave study, with assessments performed at Time 1 (T1) and Time 2 (T2), separated by a five-month interval. A total of 184 stu...
Article
Full-text available
In Japan, mergers of cities, towns, and villages have occurred rapidly as a result of the Special Law on the Merger of Municipalities, enacted in 2005. These mergers may impact civil servants' psychological adjustment. We developed the Municipal Merger Stress Questionnaire (MMSQ) to measure the impact of the municipal mergers and collected response...
Article
This study examined the reliability and validity of the Japanese version of the Clinical Outcomes in Routine Evaluation-Outcome Measure (CORE-OM), a standardized, brief, but comprehensive outcome measurement. The target population consisted of 1684 Japanese company employees, hospital staff, and university students. A confirmatory factor analysis p...
Article
It is now widely acknowledged that depression is accompanied by major deficits in social functioning. However, the course of this dysfunction and its relationship with depressive symptoms in the long term is less understood. The Group for Longitudinal Affective Disorders Study (GLADS) in Japan has conducted a 10-year prospective, serial follow-up o...