Chiba R, Yamazaki Y, Miyamoto Y, Funakoshi A. Related changes in personal recovery, benefit finding, and sense of coherence among people with chronic mental illness: a two-wave study. The Journal of Psychology. 2021. DOI: 10.1080/00223980.2021.1880360.
Kato Y, Chiba R, Yamaguchi S, Goto K, Umeda M, Miyamoto Y. Association between Work Environments and Stigma towards People with Schizophrenia among Mental Health Professionals in Japan. Healthcare. 2021; 9(2):107. DOI: 10.3390/healthcare9020107.
Funakoshi A, Miyamoto Y. Relationships between medical incidents, clinical competency, and clinical experience in child and adolescent psychiatric in patient nursing: A structural equation modeling approach. J Child Adolesc Psychiatr Nurs. 2021. DOI: 10.1111/jcap.12333.
Iida, M, Watanabe, K, Imamura, K, Sakuraya, A, Asaoka, H, Sato, N, Nozawa, K, & Kawakami, N. Development and validation of the Japanese version of the team job crafting scale for nurses. Research in Nursing & Health 44.2, 2021: 329-343.
Iida, M, Sasaki, N, Kuroda, R, Tsuno, K, & Kawakami, N. Increased COVID-19-related workplace bullying during its outbreak: a 2-month prospective cohort study of full-time employees in Japan. Environmental and Occupational Health Practice, 2021.
Asaoka H, Sasaki N, Kuroda R, Tsuno K, Kawakami N.
Workplace Bullying and Patient Aggression Related to COVID-19 and its Association with Psychological Distress among Health Care Professionals during the COVID-19 Pandemic in Japan.
Tohoku J Exp Med. 2021;255(4):283-289. DOI: 10.1620/tjem.255.283.
Asaoka H, Sasaki N, Imamura K, Kuroda R, Tsuno K, Kawakami N.
Changes in COVID-19 measures in the workplace: 8-month follow-up in a cohort study of full-time employees in Japan.
J Occup Health. 2021 Jan;63(1):e12273. DOI: 10.1002/1348-9585.12273.
Imamura K, Tran TTT, Nguyen HT, Sasaki N, Kuribayashi K, Sakuraya A, Bui TM, Nguyen AQ, Nguyen QT, Nguyen NT, Nguyen KT, Nguyen GTH, Tran XTN, Truong TQ, Zhang MW, Minas H, Sekiya Y, Watanabe K, Tsutsumi A, Kawakami N.
Effect of smartphone-based stress management programs on depression and anxiety of hospital nurses in Vietnam: a three-arm randomized controlled trial.
Sci Rep. 2021 May 31;11(1):11353. DOI: 10.1038/s41598-021-90320-5. PMID: 34059737; PMCID: PMC8166974.
Sawada U, Shimazu A, Kawakami N, Miyamoto Y, Speigel L, Leiter MP. The Effects of the Civility, Respect, and Engagement in the Workplace (CREW) Program on Social Climate and Work Engagement in a Psychiatric Ward in Japan: A Pilot Study. Nursing Reports. 2021 Jun(2):320-30.
Yang CC, Watanabe K, Kawakami N. The Associations between Job Strain, Workplace PERMA Profiler, and Work Engagement. J Occup Environ Med. 2021 Dec 6. DOI: 10.1097/JOM.0000000000002455.
Watanabe K, Kawakami N. Association between sitting time at work and the onset of major depressive episode: a 1-year prospective cohort study using the Bayesian regression. BMC Public Health. 2021 Oct 29;21(1):1960. DOI: 10.1186/s12889-021-12059-y.
Orui M, Fukasawa M, Horikoshi N, Suzuki Y, Kawakami N. The ongoing activities of livelihood support counselors following nuclear disaster under the COVID-19 restrictions: A preliminary survey. Public Health Pract (Oxf). 2021 Nov;2:100107. DOI: 10.1016/j.puhip.2021.100107.
Kawakami N, Imamura K, Watanabe K, Sekiya Y, Sasaki N, Sato N; SMART-CBT Project Team. Effectiveness of an Internet-Based Machine-Guided Stress Management Program Based on Cognitive Behavioral Therapy for Improving Depression Among Workers: Protocol for a Randomized Controlled Trial. JMIR Res Protoc. 2021 Sep 29;10(9):e30305. DOI: 10.2196/30305.
Takano A, Fukasawa M, Watanabe K, Nishi D, Kawakami N. Adolescent Work Values and Drug Use in Adulthood: A Longitudinal Prospective Cohort Study. Subst Use Misuse. 2021;56(10):1483-1492. DOI: 10.1080/10826084.2021.1936055.
Sato N, Watanabe K, Kawakami N. Mediating Effects of Work Eudemonic Well-being for the Association Between Psychosocial Work Environment and Overall Eudemonic Well-being Among Japanese Workers: A Cross-sectional Study. J Occup Environ Med. 2021 Aug 1;63(8):e542-e548. DOI: 10.1097/JOM.0000000000002276.
Sato N, Watanabe K, Nishi D, Kawakami N. Associations Between Personal Values and Work Engagement: A Cross-Sectional Study Using A Representative Community Sample. J Occup Environ Med. 2021 Jun 1;63(6):e335-e340. DOI: 10.1097/JOM.0000000000002209.
de Vries YA, Harris MG, Vigo D, Chiu WT, Sampson NA, Al-Hamzawi A, Alonso J, Andrade LH, Benjet C, Bruffaerts R, Bunting B, Caldas de Almeida JM, de Girolamo G, Florescu S, Gureje O, Haro JM, Hu C, Karam EG, Kawakami N, Kovess-Masfety V, Lee S, Moskalewicz J, Navarro-Mateu F, Ojagbemi A, Posada-Villa J, Scott K, Torres Y, Zarkov Z, Nierenberg A, Kessler RC, de Jonge P; WHO World Mental Health Survey collaborators. Perceived helpfulness of treatment for specific phobia: Findings from the World Mental Health Surveys. J Affect Disord. 2021 Jun
1;288:199-209. DOI: 10.1016/j.jad.2021.04.001.
Yang CC, Lee KW, Watanabe K, Kawakami N. The association between shift work and possible obstructive sleep apnea: a systematic review and meta-analysis. Int Arch Occup Environ Health. 2021 Nov;94(8):1763-1772. DOI: 10.1007/s00420-021-01675-1.
Kawakami N, Sasaki N, Kuroda R, Tsuno K, Imamura K. The Effects of Downloading a Government-Issued COVID-19 Contact Tracing App on Psychological Distress During the Pandemic Among Employed Adults: Prospective Study. JMIR Ment Health. 2021 Jan 12;8(1):e23699. DOI: 10.2196/23699.
Sasaki N, Yasuma N, Obikane E, Narita Z, Sekiya J, Inagawa T, Nakajima A, Yamada Y, Yamazaki R, Matsunaga A, Saito T, Imamura K, Watanabe K, Kawakami N, Nishi D. Psycho-educational interventions focused on maternal or infant sleep for pregnant women to prevent the onset of antenatal and postnatal depression: A systematic review. Neuropsychopharmacol Rep. 41(1):2-13, 2021
Wu Y, Levis B, Ioannidis JPA, Benedetti A, Thombs BD; DEPRESsion Screening Data (DEPRESSD) Collaboration (Nishi D, 156/232). Probability of Major Depression Classification Based on the SCID, CIDI, and MINI Diagnostic Interviews: A Synthesis of Three Individual Participant Data Meta-Analyses. Psychother Psychosom. 90(1):28-40, 2021
Narisawa T, Nishi D, Okubo R, Noguchi H, Hamazaki K, Yamashita A, Matsuoka JY. Impact of peritraumatic distress on posttraumatic stress disorder symptoms at 6 months after acute coronary syndrome: a prospective cohort study. European Journal of Psychotraumatology 12:1, 2021
Yasuma N, Imamura K, Watanabe K, Nishi D, Kawakami N, Takano A. Association between energy drink consumption and substance use in adolescence: A systematic review of prospective cohort studies. Drug Alcohol Depend. 219:108470, 2021
Sasaki N, Imamura K, Nishi D, Watanabe K, Sekiya Y, Tsuno K, Kobayashi Y, Kawakami N. Internet-based acceptance and commitment therapy programme ‘Happiness Mom’ for well-being: a protocol for a randomised controlled trial. BMJ Open. 26;11(2): e042167, 2021
Yasuma, N, Yamaguchi, S, Ogawa, M, Shiozawa T, Abe M, Igarashi M, Kwaguchi T, Sato S, Nishi D, Kawakami N, Fujii C. Care difficulties and burden during COVID‐19 pandemic lockdowns among caregivers of people with schizophrenia: A cross‐sectional study. Neuropsychopharmacol Rep. 41(2):242-247, 2021
Kataoka M, Nishi D. Association between Work-Related Trauma Exposure and Posttraumatic Stress Symptoms among Child Welfare Workers in Japan: A Cross-Sectional Study. International Journal of Environmental Research and Public Health. 18(7):3541, 2021
Bhandari PM, Levis B, Neupane D, Patten SB, Shrier I, Thombs BD, Benedetti A, and the DEPRESsion Screening Data (DEPRESSD) EPDS Group (Nishi D, 57/82). Data-driven methods distort optimal cutoffs and accuracy estimates of depression screening tools: a simulation study using individual participant data. Journal of Clinical Epidemiology. 137:137-147, 2021
Obikane E, Baba T, Shinozaki T, Obata S, Nakanishi S, Murata C, Ushio E, Suzuki Y, Shirakawa N, Honda M, Sasaki N, Nishi D, O’Mahen H, Kawakami N. Internet-based behavioural activation to improve depressive symptoms and prevent child abuse in postnatal women (SmartMama): a protocol for a pragmatic randomized controlled trial. BMC Pregnancy Childbirth 21:314, 2021
Nangaku M, Kadowaki T, Yotsuyanagi H, Ohmagari N, Egi M, Sasaki J, Sakamoto T, Hasegawa Y, Ogura T, Chiba S, Node K, Suzuki R, Yamaguchi Y, Murashima A, Ikeda N, Morishita E, Yuzawa K, Moriuchi H, Hayakawa S, Nishi D, Irisawa A, Miyamoto T, Suzuki H, Sone H, Fujino Y. The Japanese Medical Science Federation COVID-19 Expert Opinion English Version. JMA J. 15;4(2):148-162, 2021
Nakao T, Murayama K, Takahashi S, Kayama M, Nishi D, Horinouchi T, Oya N, Kuga H. Mental Health Difficulties and Countermeasures during the Coronavirus Disease Pandemic in Japan: A Nationwide Questionnaire Survey of Mental Health and Psychiatric Institutions. Int J Environ Res Public Health. 8;18(14):7318, 2021
Stein DJ, Kazdin AE, Ruscio AM, Chiu WT, Sampson NA, Ziobrowski HN, Aguilar-Gaxiola S, Al-Hamzawi A, Alonso J, Altwaijri Y, Bruffaerts R, Bunting B, de Girolamo G, de Jonge P, Degenhardt L, Gureje O, Haro JM, Harris MG, Karam A, Karam EG, Kovess-Masfety V, Lee S, Medina-Mora ME, Moskalewicz J, Navarro-Mateu F, Nishi D, Posada-Villa J, Scott KM, Viana MC, Vigo DV, Xavier M, Zarkov Z, Kessler RC; WHO World Mental Health Survey collaborators. Perceived helpfulness of treatment for generalized anxiety disorder: a World Mental Health Surveys report. BMC Psychiatry. 21(1):392, 2021
Sasaki N, Carrozzino D, Nishi D. Sensitivity and concurrent validity of the Japanese version of the Euthymia scale: a clinimetric analysis. BMC Psychiatry. 4;21(1):482, 2021.
Sasaki N, Obikane E, Vedanthan R, Imamura K, Cuijpers P, Shimazu T, Kamada M, Kawakami N, Nishi D. Development and Validation of Implementation Outcome Scales for Digital Mental Health (iOSDMH). JMIR Formative Research 23;5(11):e24332, 2021
Roest AM, de Vries YA, Al-Hamzawi A, Alonso J, Ayinde O, Bruffaerts R, Bunting B, Caldas-de-Almeida, JM, de Girolamo G, Degenhardt L, Florescu S, Gureje O, Haro JM, Hu CY, Karam EG, Kiejna A, Kovess-Masfety V, Lee S, McGrath JJ, Medina-Mora ME, Navarro-Mateu F, Nishi D, Piazza M, Posada-Villa J, Scott KM, Stagnaro JC, Stein DJ, Torres Y, Viana MC, Zarkov Z, Kessler RC, de Jonge P, on behalf of the WHO World Mental Health Survey collaborators. Previous disorders and current impairment and suicidality in individuals with 12-month major depressive disorder in the World Mental Health surveys. Epidemiology and Psychiatric Sciences 11;30:e70, 2021
Asaoka H, Koido Y, Kawashima Y, Ikeda M, Miyamoto Y, Nishi D. Longitudinal change in depressive symptoms among healthcare professionals with and without COVID-19 vaccine hesitancy from October 2020 to June 2021 in Japan. Industrial Health (Epub ahead of print)
Sasaki N, Akiyama H, Kawakami N, Nishi D. Preconception menstrual cycle disorder and antenatal depression: A cross-sectional study with pre-recorded information. J Psychosom Obstet Gynaecol. (Epub ahead of print)
Asaoka H, Koido Y, Kawashima Y, Ikeda M, Miyamoto Y, Nishi D. Longitudinal Change of Psychological Distress among Healthcare Professionals with and without Psychological First Aid Training Experience during the COVID-19 Pandemic. International Journal of Environmental Research and Public Health. 18(23):12474, 2021
Mascayano F, van der Ven E, Moro MF, Schilling S, Alarcón S, Barathie JA, Alnasser L, Asaoka H, Ayinde O, Balalian AA, Basagoitia A, Brittain K, Dohrenwend B, Durand–Arias S, Eskin M, Fernández–Jiménez E, Freytes M, Giménez L, Gisle L, Hoek HW, Jaldo R, Lindert J, Maldonado H, Martínez -Alés G, Martínez -Viciana C, Mediavilla R, McCormack C, Myer L, Narvaez J, Nishi D, Ouali U, Puac-Polanco V, Ramírez J, Restrepo-Henao A, Rivera -Segarra E, Rodríguez AM, Saab D, Seblova D, Tenorio A, Valeri L, Alvarado R, Susser E, On behalf of the HEROES group. The impact of the COVID-19 pandemic on the mental health of healthcare workers: study protocol for the COVID-19 HEalth caRe wOrkErS (HEROES) study. Social Psychiatry and Psychiatric Epidemiology (in press)
Hidaka Y, Imamura K, Watanabe K, Tsutsumi A, Shimazu A, Inoue A, Hiro H, Odagiri Y, Asai Y, Yoshikawa T, Yoshikawa E. Associations between work-related stressors and QALY in a general working population in Japan: a cross-sectional study. International Archives of Occupational and Environmental Health. 2021 May 30:1-9.
Hidaka Y, Sasaki N, Imamura K, Tsuno K, Kuroda R, Kawakami N. Changes in fears and worries related to COVID-19 during the pandemic among current employees in Japan: a 5-month longitudinal study. Public health. 2021 Sep 1;198:69-74.
Hidaka Y, Watanabe K, Imamura K, Tatha O, Kawakami N. Reliability and validity of the Chinese version of the New Brief Job Stress Questionnaire (New BJSQ) among workers in China. Industrial health. 2021 Nov 1.
Komase Y, Watanabe K, Hori D, Nozawa K, Hidaka Y, Iida M, Imamura K, Kawakami N. Effects of gratitude intervention on mental health and well-being among workers: A systematic review. Journal of Occupational Health, 2021;63:e12290. DOI: 10.1002/1348-9585.12290.
Yasuma, N., Nishi, D., Watanabe, K., Ishikawa, H., Tachimori, H., Takeshima, T., . . . Kawakami, N. (2021). Association between Urban Upbringing and Compulsive Internet Use in Japan: A Cross-Sectional, Multilevel Study with Retrospective Recall. Int J Environ Res Public Health, 18(18), 9890. DOI: 10.3390/ijerph18189890.
Komase Y, Watanabe K, Natsu S, Kawakami N. The effect of perceived gratitude from others on work engagement: a cross-sectional study. Journal of Occupational and Environmental Medicine. 2021;63:e592-e595. DOI: 10.1097/JOM.0000000000002294.
Yasuma N, Yamaguchi S, Ogawa M, et al. Care difficulties and burden during COVID‐19 pandemic lockdowns among caregivers of people with schizophrenia: A cross‐sectional study. Neuropsychopharmacol Rep. 2021; 00: 1– 7. DOI: 10.1002/npr2.12171.
Komase Y, Watanabe K & Kawakami N. Effects of a gratitude intervention program on work engagement among Japanese workers: a protocol for a cluster randomized controlled trial. BMC Psychol 9, 35 (2021). DOI: 10.1186/s40359-021-00541-6.
Yasuma N, Watanabe K, Nishi D, Ishikawa H, Tachimori H, Takeshima T, Umeda M and Kawakami N (2021) Psychotic Experiences and Hikikomori in a Nationally Representative Sample of Adult Community Residents in Japan: A Cross-Sectional Study. Front. Psychiatry 11:602678. DOI: 10.3389/fpsyt.2020.602678.