1. Chung HF, Dobson AJ, Hayashi K, Hardy R, Kuh D, Anderson DJ, van der Schouw YT, Greenwood DC, Cade JE, Demakakos P, Brunner EJ, Eastwood SV, Sandin S, Weiderpass E, Mishra GD. Ethnic Differences in the Association Between Age at Natural Menopause and Risk of Type 2 Diabetes Among Postmenopausal Women: A Pooled Analysis of Individual Data From 13 Cohort Studies. Diabetes Care. 2023 Nov 1;46(11):2024-2034.

2. Yasui T, Ideno Y, Nagai K, Hayashi K. Characteristics of HRT users in Japan: Evidence from the Japan Nurses’ Health Study. Maturitas. 2023 Jul;173:1-6.

3. Otsuka E, Miyazaki Y,  Ideno Y, Nagai K, Kobayashi A, Kishi M, Lee JS, Hayashi K. Validity of a 98-item Food Frequency Questionnaire for the Japan Nurses’ Health Study. The Kitakanto Medical Journal. 2023;73(4):277-283. Medical*Online

4.  Liang C, Chung HF, Dobson AJ, Hayashi K, van der Schouw YT, Kuh D, Hardy R, Derby CA, El Khoudary SR, Janssen I, Sandin S, Weiderpass E, Mishra GD. Infertility, recurrent pregnancy loss, and risk of stroke: pooled analysis of individual patient data of 618 851 women. BMJ. 2022 Jun 22;377:e070603.

5. Hayashi K, Ideno Y, Nagai K, Lee JS, Yasui T, Kurabayashi T, Takamatsu K. Complaints of reduced cognitive functioning during perimenopause: a cross-sectional analysis of the Japan Nurses’ Health Study. Womens Midlife Health. 2022 Jun 5;8(1):6.

6. Yasui T, Ideno Y, Shinozaki H, Kitahara Y, Nagai K, Hayashi K. Prevalence of the Use of Oral Contraceptives and Hormone Replacement Therapy in Japan: The Japan Nurses' Health Study. J Epidemiol. 2022 Mar 5;32(3):117-124.

7. Katanoda K, Ideno Y, Maruoka N, Nagai K, Tsukada Y, Matsuki M, Higashi T, Hayashi K. Validation of Identifying Cancer Diagnosis Based on Self-Reported Information in the Japan Nurses' Health Study. Asian Pac J Cancer Prev. 2022 Feb 1;23(2):651-657.

8. Kishi M, Ideno Y, Nagai K, Lee JS, Suzuki S, Hayashi K. Use of Dietary Supplements among Japanese Female Nursing Professionals. J Nutr Sci Vitaminol (Tokyo). 2022;68(3):213-220.

9. Nagai K, Homma Y, Ideno Y, Hayashi K. Prevalence and factors associated with overactive bladder and stress urinary incontinence in the Japan Nurses' Health Study. Menopause. 2021 Dec 13;29(2):129-136.

10. Ri M, Hayashi K, Kurabayashi T, Lee JS, Ideno Y, Nagai K, Yasui T, Kubota T, Takamatsu K. Hypertensive disorders of pregnancy increase the risk of future menopausal hot flashes in Japanese women: results from the Japan Nurses' Health Study. Menopause. 2021 Oct 25;29(2):164-169.

https://research.ssri.co.jp/pmap/pastdata

https://research.ssri.co.jp/pmap/pastdata

1. Nozawa K, Matsuyama S, Higa S, Yamamoto Y, Asami Y. Physician consultation rates and characteristics among workers with chronic pain or headache who participated in a behavioural change program: a retrospective database analysis using real-world healthcare data. BMJ Open. 2022 Nov 10;12(11):e056846.

2. Higa S, Nozawa K, Karasawa Y, Shirai C, Matsuyama S, Yamamoto Y, Laurent T, Asami Y. The Use of a Network Analysis to Identify Associations and Temporal Patterns Among Non-communicable Diseases in Japan Based on a Large Medical Claims Database. Drugs Real World Outcomes. 2022 Sep;9(3):463-476.

3. Shirai C, Matsuoka N, Nakazawa T. Comparison of adherence between fixed and unfixed topical combination glaucoma therapies using Japanese healthcare/pharmacy claims database: A retrospective non-interventional cohort study. BMC ophthalmology. 2021 Dec;21(1):1-2.

4. Osawa I, Goto T, Asami Y, Itoh N, Kaga Y, Yamamoto Y, Tsugawa Y. Physician visits and medication prescriptions for major chronic diseases during the COVID-19 pandemic in Japan: retrospective cohort study. BMJ open. 2021 Jul 1;11(7):e050938.

5. Nozawa K, Higa S, Ii Y, Yamamoto Y, Asami Y. Antidyslipidemic Drug Prescriptions and Lipid Control Status After Unfavorable Annual Health Checkup Results: A Retrospective Cohort Study Using a Health Insurance Database. Drugs-real world outcomes. 2021 Jun;8(2):227-40.

6. Higa S, Ii Y, Nozawa K, Yamamoto Y, Ohwaki K, Asami Y. Relationship of annual health checkups with the subject’s subsequent behavior of cardiovascular risk management in a real-world setting in Japan: a retrospective cohort study on changes in antihypertensive drug prescription and blood pressure from 2015 to 2017. Drugs-real world outcomes. 2021 Jun;8(2):215-25.

7. Osawa I, Goto T, Yamamoto Y, Tsugawa Y. Machine-learning-based prediction models for high-need high-cost patients using nationwide clinical and claims data. NPJ digital medicine. 2020 Nov 11;3(1):1-9.

8. Yuasa A, Murata T, Imai K, Yamamoto Y, Fujimoto Y. Treatment procedures and associated medical costs of methicillin-resistant Staphylococcus aureus infection in Japan: a retrospective analysis using a database of Japanese employment-based health insurance. SAGE open medicine. 2019 Aug;7:2050312119871181.

9. Higa S, Yoshida M, Shima D, Ii Y, Kitazaki S, Yamamoto Y, Fujimoto Y. A Retrospective, Cross-Sectional Study on the Prevalence of Hyperuricemia Using a Japanese Healthcare Database. Arch Rheumatol. 2019 Apr 22;35(1):41-51.

10. Hirano Y, Asami Y, Kuribayashi K, Kitazaki S, Yamamoto Y, Fujimoto Y. Possibility of database research as a means of pharmacovigilance in Japan based on a comparison with sertraline postmarketing surveillance. Value in health regional issues. 2018 May 1;15:1-5.

1. Decker KM, Lambert P, Feely A, Bucher O, Kim JO, Hebbard P, Thiessen M, Fatoye T, Pitz M, Koul R, Czaykowski P. Evaluating the Impact of the COVID-19 Pandemic on New Cancer Diagnoses and Oncology Care in Manitoba. Curr Oncol. 2021 Aug 12;28(4):3081-3090. 

2. Fakanye O, Singh H, Desautels D, Torabi M. Geographical variation and factors associated with gastric cancer in Manitoba. PLoS One. 2021 Jul 9;16(7):e0253650.

3. Ratnayake I, Park J, Biswanger N, Feely A, Musto G, Decker K. Colorectal Cancer Surgery Quality in Manitoba: A Population-Based Descriptive Analysis. Curr Oncol. 2021 Jun 16;28(3):2239-2247. 

4. Ratnayake I, Hebbard P, Feely A, Biswanger N, Decker K. Assessment of Breast Cancer Surgery in Manitoba: A Descriptive Study [published correction appears in Curr Oncol. 2021 Jul 20;28(4):2775-2777]. Curr Oncol. 2021;28(1):581-592. Published 2021 Jan 19. 

5. Horrill TC, Dahl L, Sanderson E, Munro G, Garson C, Fransoo R, Thompson G, Cook C, Linton J, Schultz ASH. Cancer incidence, stage at diagnosis and outcomes among Manitoba First Nations people living on and off reserve: a retrospective population-based analysis. CMAJ Open. 2019 Dec 18;7(4):E754-E760.

6. Ye X, Mahmud S, Skrabek P, Lix L, Johnston JB. Long-term time trends in incidence, survival and mortality of lymphomas by subtype among adults in Manitoba, Canada: a population-based study using cancer registry data. BMJ Open. 2017 Jul 17;7(7):e015106.

7. Dawe DE, Singh H, Wickramasinghe L, Pitz MW, Torabi M. Geographical Variation and Factors Associated with Non-Small Cell Lung Cancer in Manitoba. Can Respir J. 2017;2017:7915905.

8. Lambert P, Galloway K, Altman A, Nachtigal MW, Turner D. Ovarian cancer in Manitoba: trends in incidence and survival, 1992-2011. Curr Oncol. 2017 Apr;24(2):e78-e84.

9. Pruthi DK, Nugent Z, Czaykowski P, Demers AA. Urothelial cancer and the diagnosis of subsequent malignancies. Can Urol Assoc J. 2013 Jan-Feb;7(1-2):E57-64. 

10. Nowatzki J, Moller B, Demers A. Projection of future cancer incidence and new cancer cases in Manitoba, 2006-2025. Chronic Dis Can. 2011 Mar;31(2):71-8.