Norito Kawakami

Norito Kawakami
The University of Tokyo | Todai · School of Public Health

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624
Publications
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Publications

Publications (624)
Article
The aim of this study is to examine the long‐term impact of early menarche with adult depression, and to assess whether this association was explained by childhood traumatic experience and socioeconomic condition in early adulthood. The data were derived from World Mental Health Survey Japan Second, a cross‐sectional survey conducted among Japanese...
Article
Some studies have examined the relationship between premenstrual syndrome (PMS) and antenatal depression. However, retrospective designs were used to obtain the PMS experiences. Different from such earlier research, this study aims to investigate the association between PMS before pregnancy and antenatal depression with a prospective design. This i...
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Purpose Lesbian, gay, and bisexual (LGB) individuals, and LB women specifically, have an increased risk for psychiatric morbidity, theorized to result from stigma-based discrimination. To date, no study has investigated the mental health disparities between LGB and heterosexual AQ1individuals in a large cross-national population-based comparison. T...
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Aim Exposure to traumatic events (TEs) is associated with substance use disorders (SUDs). However, most studies focus on a single TE, and are limited to single countries, rather than across countries with variation in economic, social and cultural characteristics. We used cross-national data to examine associations of diverse TEs with SUD onset, an...
Preprint
Objective: This systematic review aimed to evaluate the association between psychosocial factors at work and menstrual abnormalities or fertility by collecting the literature that had utilized a longitudinal or prospective cohort design. Data sources: MEDLINE, EMBASE, PsycINFO, PsycARTICLES, and Japan Medical Abstracts Society electronic databases...
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Patient‐reported helpfulness of treatment is an important indicator of quality in patient‐centered care. We examined its pathways and predictors among respondents to household surveys who reported ever receiving treatment for major depression, generalized anxiety disorder, social phobia, specific phobia, post‐traumatic stress disorder, bipolar diso...
Article
Behavioral neuroscience has dealt with short‐term decision making but has not defined either daily or longer‐term life actions. The individual brain interacts with the society/world, but where that point of action is and how it interacts has never been an explicit scientific question. Here, we redefine value as an intrapersonal driver of medium‐ an...
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Aim: The effect of a web-based relapse prevention program might vary depending on a specific population if the study participants included drug users with various characteristics. This secondary analysis explored subgroups among Japanese drug users that may benefit from a web-based relapse prevention program. Methods: Outpatients with drug use d...
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Objective: This study aimed to investigate the prospective effects of corporate and organizational workplace measures against COVID-19 on reducing employees` psychological distress during a 12-month follow-up in the COVID-19 pandemic. Methods: Data were retrieved from an online longitudinal panel survey of full-time employees in Japan, with the...
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Background Postsecondary student suicide is one of Japan’s most severe public health problems. Gatekeeper training (GKT) programs are a generally recommended suicide prevention intervention in Japan. For suicide countermeasures, an online program tailored to students may enhance self-efficacy as a gatekeeper. Objective This study aims to describe...
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Background: This is the author's reply to the COMMENTARY on our study "Adolescent Work Values and Drug Use in Adulthood: A Longitudinal Prospective Cohort Study" (Takano et al., Substance Use and Misuse 2021; 65 (10): 1483-1492), which pointed out that racial/ethnic groups, adolescent resilience (ability to cope with steess, etc.), and educational...
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Objectives: This study aimed to examine the effectiveness of vaccination to improve mental health among employees in Japan based on a prospective study. Methods: The data were retrieved from the Employee Cohort Study conducted during the COVID-19 pandemic in Japan (E- COCO-J) at T1 (4-10 February 2021) and T2 (22-29 June 2021). Psychological dis...
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Background Workplace measures against COVID-19 may prevent the onset of major depressive episode (MDE) in the working population. This 13-month prospective study aimed to investigate the association of the number of workplace measures against COVID-19 and employees' worry about the measures on the onset of MDE during COVID-19 outbreaks in Japan. M...
Preprint
Background Compared to the numerous reports on mental health outcomes of workplace bullying victims, research on organizational outcomes of witnesses and physical health outcomes of victims and witnesses is scarce. Therefore, the purpose of this study was to investigate the relationship between bullying victimization and witnessing and various phys...
Preprint
Objectives This prospective study aimed to examine the association of job demands, job control, and the lack of supervisor and coworker support with side effects after receiving COVID-19 vaccination in a sample of employees in Japan. Methods The data were retrieved from an online panel of full-time employees (E- COCO- J). The analysis included par...
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Objective: To investigate the prevalences of COVID-19-related workplace bullying and harassment (WBH) and customer harassment among healthcare workers (HCWs) compared to non-HCWs during COVID-19 outbreaks. Methods: A baseline (March 2020) and follow-up surveys (May, August, and November 2020) were conducted of full-time employees, with an online...
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Objectives: COVID-19 has led to an increased use of online consultations in occupational health. We examined experience, satisfaction, and difficulties with online consultations during the first year after the COVID-19 pandemic by surveying a sample of workers. Methods: An online survey was conducted in March 2021 among full-time employees of an...
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Objective: This study reports a randomized controlled trial of the effect of a job crafting intervention program on work performance and job crafting (as secondary outcomes) among Japanese employees. Methods: Participants who satisfied the inclusion criteria were randomly allocated to an intervention (n = 138) or a control group (n = 143). Outco...
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Objectives: This study aimed to examine the reliability and validity of the Japanese version of the eight-item CREW Civility Scale which measures workplace civility norms and compare the civility scores among various occupations. Methods: A longitudinal study included all employees in a social care organization (N = 658) and a cross-sectional st...
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Objectives This study aimed to evaluate the association between pre-pregnancy menstrual cycle characteristics (i.e. cycle-length variability and cycle length) and antenatal depression. Methods This study retrieved the data from the baseline survey of the randomized controlled trial with pregnant women at 16–20 weeks gestation who used a pregnancy...
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Aim We examined prevalence and factors associated with receiving perceived helpful alcohol use disorder (AUD) treatment, and persistence in help-seeking after earlier unhelpful treatment. Methods Data came from 27 community epidemiologic surveys of adults in 24 countries using the World Health Organization World Mental Health surveys (n = 93,843)....
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The novel coronavirus disease (COVID-19) pandemic has spread throughout the world. Poor mental health has been reported among healthcare professionals responding to COVID-19. However, no study has examined the impact of COVID-19-related workplace bullying or patient aggression on the mental health of healthcare professionals during the COVID-19 out...
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Objectives This study investigated the change in suicidal ideation and its risk factors among employees. A longitudinal cohort study was conducted, starting with the baseline online survey in March 2020 (T1), followed by May (T2), and August (T3). The change in suicidal ideation from T2 to T3 and relevant factors associated with suicidal ideation a...
Article
This study aimed to develop the Chinese version of the New Brief Job Stress Questionnaire (New BJSQ) and investigate its reliability and validity. The survey was administered at two time-points separated by a two-week interval among Chinese workers. The Chinese version of the New BJSQ was developed according to the international guidelines. Cronbac...
Preprint
BACKGROUND The prolonged coronavirus disease 2019 (COVID-19) pandemic affected mental health among workers. Psychoeducational intervention via an Internet website could be effective for primary prevention of mental health among workers in the current COVID-19 pandemic. OBJECTIVE The aim of this randomized controlled trial (RCT) was to examine the...
Article
Background: The prolonged coronavirus disease 2019 (COVID-19) pandemic has affected mental health among workers. Psychoeducational intervention via an Internet website could be effective for primary prevention of mental illness among workers in the current COVID-19 pandemic. Objective: The aim of this randomized controlled trial (RCT) was to exa...
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The purpose of this study was to show the association between urban upbringing and compulsive internet use (CIU). The interview data of the sample (N = 2431) was obtained from the World Mental Health Japan Second Survey and a multilevel model was used to investigate the association. Multiple imputation was also conducted in this study. Growing up i...
Preprint
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The effect of the COVID-19 vaccination as an individual-based preventive measure on mental health is largely unclear in the literature. The authors report a preliminary finding on whether vaccination effectively improves mental health among employees in Japan based on a prospective study (E-COCO-J). Of the total sample (N=948), 105 (11.1%) were vac...
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Objective To investigate an association between quality-adjusted life years (QALY) and work-related stressors (job strain, effort/reward imbalance, and poor support from supervisor and coworkers), and estimate loss in QALY caused by these stressors. Methods A cross-sectional study investigated data from a third-wave survey (in December 2017) of a...
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Background: Treatment guidelines for generalized anxiety disorder (GAD) are based on a relatively small number of randomized controlled trials and do not consider patient-centered perceptions of treatment helpfulness. We investigated the prevalence and predictors of patient-reported treatment helpfulness for DSM-5 GAD and its two main treatment pa...
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Objectives This study investigates and describes the time course of fears and worries about COVID-19 among current employees during this outbreak. Study design A longitudinal study. Methods This study was a part of the Employee Cohort Study in Japan. The study was composed of 4,120 individuals from February 2019. A baseline survey in March 2020,...
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Objectives: This 2-month cohort study aimed to investigate the changing prevalence and factors associated with COVID-19-related workplace bullying among the general workers in Japan. Methods: A baseline survey was conducted of 4,120 full-time workers at Time 1 (March 2020) and they were invited to a follow-up survey at Time 2 (May 2020) after the o...
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Background: Personal values have been considered as a predictor of drug use. Methods: We examined the association between work values in adolescence and drug use in adulthood using 23-year longitudinal data from the Youth Development Study. Results: Partial extrinsic and intrinsic work values predicted cannabis use in the past year after adjusting...
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Objective: This study aimed to examine the effect of perceived gratitude from others on work engagement, adjusting for possible confounders: job demands, job resources (supervisor/coworker support), personal resources (resilience), and gratitude trait. Methods: This cross-sectional study conducted a secondary analysis of data from previously pub...
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There are growing concerns on stress among nurses in low- and middle-income countries (LMICs) in South-East Asia. It is important to improve mental health among nurses in these countries. The objective of this study was to examine the efficacy of two types of newly developed smartphone-based stress management programs in improving depressive and an...
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Objective: This study aimed to investigate the mediating effects of eudemonic well-being (EWB) at work for the associations between psychosocial work environment (PWE) and overall EWB among Japanese workers. Methods: We conducted a cross-sectional study using data from a 2018 survey. PWE measures included: job demands, job control, and superviso...
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Objective: This study investigated outcomes in community mental health research that were important to caregivers of people with schizophrenia. Using an online survey conducted from August 1–31, 2020, data were collected from caregivers belonging to the LINE Schizophrenia Family Association. Caregivers identified outcomes important in community men...
Preprint
BACKGROUND The effect of an unguided cognitive-behavioral therapy-based (CBT) stress management program on depression may be enhanced by applying artificial intelligence (AI) technologies to guide participants’ learning. OBJECTIVE The objective of this study is to propose a research protocol to investigate the effect of a newly developed machine-g...
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Background: The effect of an unguided Internet-based cognitive-behavioral therapy-based (iCBT) stress management program on depression may be enhanced by applying artificial intelligence (AI) technologies to guide participants studying the program. Objective: The aim of this study is to describe a research protocol to investigate the effect of a...
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Background: Good social climate and high work engagement are important factors affecting outcomes in healthcare settings. This study observed the effects of a program called Civility, Respect, and Engagement in the Workplace (CREW) on social climate and staff work engagement in a psychiatric ward of a Japanese hospital. Methods: The program comp...
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Near-infrared spectroscopy (NIRS) is a functional neuroimaging modality that has advantages in clinical usage. Previous functional magnetic resonance imaging (fMRI) studies have found that the resting-state functional connectivity (RSFC) of the default mode network (DMN) is increased, while the RSFC of the cognitive control network (CCN) is reduced...
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Background Child abuse and postnatal depression are two public health problems that often co-occur, with rates of childhood maltreatment highest during the first year of life. Internet-based behavioural activation (iBA) therapy has demonstrated its efficacy for improving postnatal depression. No study has examined whether the iBA program is also ef...
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Objective: This study aimed to investigate associations between personal values and work engagement among workers. Methods: This cross-sectional study used data from the Japanese Study on Stratification, Health, Income, and Neighborhood (J-SHINE) in 2010 and 2017. Personal values were measured by 11 value priorities and by commitment to these va...
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Background Although randomized trials show that social phobia treatments can be effective, it is unclear whether patients experience treatment as helpful in clinical practice. We investigated this issue by assessing perceived treatment helpfulness for specific phobia in a cross-national epidemiological survey. Methods Cross-sectional population-ba...
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Background This preliminary study aims to understand the state of support provided in the evacuation areas of the 2011 Fukushima nuclear disaster, during the novel coronavirus 2019 (COVID-19) restriction. Methods A self-administered survey was conducted with 18 livelihood support counselors from two Social Welfare Councils in November 2020. We inv...
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Aims The purpose of this study was to retrospectively investigate care difficulties experienced by caregivers of people with schizophrenia during COVID‐19 pandemic lockdowns in Japan (April 7‐May 25, 2020) and examine associations between these care difficulties during lockdowns and daily caregiver burden. Methods Data were collected from 132 part...
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Objectives: This study aimed to investigate the work-related health and social problems among Japanese female workers and the expected research in the workplace. Method: A cross-sectional study using an Internet survey was conducted on female workers in Japan. Using an original questionnaire, we obtained data on "a system that can be used by fem...
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Background Work engagement is one of the most important outcomes for both employees and employers. Although the findings to date, integrated 40 intervention studies aiming to improve work engagement, consistent results have not yet been produced, suggesting the importance of further intervention studies. This study aims to investigate the effects o...
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Background It is unclear whether energy drink (ED) consumption is associated with substance use (SU) in adolescence. The purpose of this study is to clarify the association. Methods A systematic review was conducted using a wide range of electronic bibliographic databases to search for published prospective cohort studies on the topic from incepti...
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Introduction This randomised controlled trial (RCT) aims to examine the effects of an internet-delivered acceptance and commitment therapy (iACT) programme (‘Happiness Mom’) on the psychological well-being of working mothers. Methods and analysis The target population of the RCT will be employed mothers with at least one preschool child. Participa...
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Psychotic experiences (PEs) may be associated with hikikomori. In the present study, we analyzed interview data from a community-based representative sample (N = 1,616) in Japan to know the association of PEs over a life time, as well as the two components, hallucinatory experiences (HEs) and delusional experiences (DEs), with lifetime experience o...
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Team job crafting, which refers to designing the task, relational, and cognitive aspects of a job, is thought to be beneficial for nurses working in the ward. There are no scales to assess team job crafting among nurses. This study aimed to develop and examine the reliability and validity of a scale to measure team job crafting. Based on literature...
Preprint
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Introduction: Menstrual abnormalities, such as menstrual cycle disorders or related symptoms (e.g., pelvic pain, premenstrual syndrome [PMS], menopausal symptoms), affect female workers’ quality of life and work capacity. The fertility of female workers is also a worldwide concern. However, the association between psychosocial factors at work and m...
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Objectives: This study aimed to investigate workplace measures implemented in response to COVID-19 during the outbreak in Japan from T1 (March 2020) to T2 (May 2020), focusing on the disparities by company size and industry. Methods: A longitudinal study was conducted using a cohort of full-time employees, starting with the baseline online survey o...
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Objectives: This study aimed to compare the longitudinal change of the psychological distress of healthcare workers (HCWs) with non-HCWs during the repeated outbreaks of the COVID-19 in Japan. Methods: The data were retrieved from the Employee Cohort Study in the Covid-19 pandemic in Japan study. An online survey was conducted on March 2020 (T1)...
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Objectives It is unclear how many workplace COVID-19 preventive measures were maintained during repeated outbreaks. The aim of this study was to investigate a longitudinal change of implementation of workplace preventive measures responding to COVID-19 in Japan. Methods An online longitudinal study was conducted using a cohort of full-time employe...
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Objectives Gratitude intervention, which requires participants to engage regularly in brief activities designed to cultivate a sense of gratefulness, is known as one of the most effective positive psychological interventions. Although numerous meta-analyses and systematic reviews have been conducted on gratitude intervention, no studies have focuse...
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Aims This systematic review aimed to evaluate randomized controlled trials (RCTs) to examine the effect of maternal and infant sleep intervention during women's pregnancy for the purpose of preventing perinatal depression. Method A systematic search (from inception to January 28, 2019) for RCTs using five electronic databases—the Cochrane Controll...
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Background Epidemiological studies have shown increased risk of suicide in cancer patients compared with the general population. The present study aimed to examine the association between physical symptoms and suicidal ideation in Chinese hospitalized cancer patients and test the modifying effect of health self-efficacy on the association. Methods...
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Objectives: This study aimed to conduct a systematic review and meta-analysis of randomized controlled trials (RCTs) to improve subjective well-being (SWB), including evaluative, hedonic, and eudemonic well-being, and the mental component of quality of life (QOL) of working population. Methods: A literature search was conducted, using PubMed, Embas...
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Background Depressive and anxiety disorders are highly comorbid, which has been theorized to be due to an underlying internalizing vulnerability. We aimed to identify groups of participants with differing vulnerabilities by examining the course of internalizing psychopathology up to age 45. Methods We used data from 24158 participants (aged 45+) i...
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Background: Distrust in authorities has negative effects on mental health. Aims: In this study, we aimed to explore whether the impact of distrust in government on mental health became stronger in the area heavily affected by the 2011 Fukushima nuclear power plant accident. Methods: We examined the effects of distrust in the national governmen...
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Background Personal values, which are formed in early life, can have an impact on health outcome later in life. Objective The aim of this study is to investigate the relation between personal values in adolescence and bio-indicators related to metabolic syndrome (MetS) in adulthood. Participants and Methods The longitudinal data used was from the...
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Objective To investigate the association of area response rate with prevalence estimates of mental disorders in the 2nd World Mental Health Survey (WMHJ2).Methods The sample of the WMHJ2 was selected from community residents in 129 areas from three regions of Japan. The surveys were conducted between 2013 and 2015, and 2450 (43.4%) responded. Menta...
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Background Digital mental health interventions are being used more than ever for the prevention and treatment of psychological problems. Optimizing the implementation aspects of digital mental health is essential to deliver the program to populations in need, but there is a lack of validated implementation outcome measures for digital mental health...
Preprint
BACKGROUND Digital mental health interventions are being used more than ever for the prevention and treatment of psychological problems. Optimizing the implementation aspects of digital mental health is essential to deliver the program to populations in need, but there is a lack of validated implementation outcome measures for digital mental health...
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Full-text available
Background: Bonding disorders happen as parents cannot build an affective relationship with children and are associated with their psychological and social conditions. Personal values impact well-being and psychological outcomes; however, how personal values influence bonding relationships is unknown. The purpose of the study was to investigate th...