Publications:
Lee, Yeeun, Sarah Bolongaita, Ryoko Sato, Jesse B. Bump, and Stéphane Verguet. "Evolution in key indicators of maternal and child health across the wealth gradient in 41 sub-Saharan African countries, 1986–2019." BMC Medicine 22, no. 1 (2024): 1-12.
Sato, Ryoko*, Loveth Metiboba, Jamil Aliyu Galadanchi, Mohammed-Faosy Ademiran, Saqid Haruna Hassan, David Akpan, Juliet Odogwu, Busayo Fashoto (2023) “Cost analysis of an innovative eHealth program in Nigeria: A case study of Vaccine Direct Delivery System” BMC Public Health
Kamei, Akito, Rebecca Thronton, and Ryoko Sato. (2023) "Factors associated with knowledge and use of home pregnancy test kits in Uganda" accepted at PLOS Global Public Health
Sato, Ryoko*. (2023) “Revisiting the measurement of vaccine hesitancy: Comparison between routine immunization and supplementary immunization activity in Nigeria” Vaccine
Emmanuel Olamijuwon, Olusesan Makinde, Ifeanyi Mgbachi, and Ryoko Sato (2023) “Childhood exposure to armed conflict and nutritional health outcomes in Nigeria” Conflict and Health
Sato, Ryoko*. (2023) “Vaccine Hesitancy against COVID-19 Vaccine over time in Nigeria” Vaccine
Solomon Memirie, Ryoko Sato (2023) “Out-of-pocket expenditures and financial risks associated with treatment of vaccine-preventable diseases in Ethiopia”, PLOS Medicine
Sato, Ryoko*. (2023) "Zero-dose, under-immunized, and dropout children in Nigeria: Trend and its contributing factors over time" accepted at Vaccines
Sato, Ryoko*, Sarah Bolongaita, Solomon Tessema Memirie, Kenneth Harttgen, Jan-Walter De Neve, and Stéphane Verguet. (2023) “Joint distribution of child mortality and wealth across 30 sub-Saharan African countries over 2000-2019” Journal of Global Health
Sato, Ryoko*. (2022) "Geospatial and Time Trend of Prevalence of Characteristics of Zero-Dose Children in Nigeria from 2003 to 2018" Vaccines
Nathaniel Hendrix, Samson Warkaye, Latera Tesfaye, Mesfin Agachew Woldekidan, Asrat Arja, Ryoko Sato, Solomon Tessema Memirie, Alemnesh H. Mirkuzie, Fentabil Getnet, Stéphane Verguet (2023) “Estimated Travel Time and Staffing Constraints to Accessing the Ethiopian Healthcare System: A Two-Step Floating Catchment Area Analysis” Journal of Global Health
Sato, Ryoko*, Olusesan Makinde, Koeloegan Clement Daam, Bola Lawal. (2022) "Geographical and time trend of measles incidence and measles vaccination coverage and their correlation in Nigeria", Human Vaccines & Immunotherapeutics
Bolongaita, Sarah, Dominick Villano, Solomon Memirie, Mizan Mitutse, Alemnesh Mirkuzie, Sophia Comas, Eva Rumpler, Stephanie Wu, Sato, Ryoko, Angela Chang, Stephane Verguet (2022) "Estimating the relative risk of incidence and mortality of select vaccine-preventable diseases by wealth group and geographic region in Ethiopia", PLOS Global Public Health
Sato, Ryoko*, Julian Jamison, Kevin McGee, Gbemisola Oseni, Julie Perng, Tomomi Tanaka (2022) "The relationship between conflicts, economic shocks, and death with depression, economic activities, and human capital investment in Nigeria", Medicine, conflict and Survival
Sato, Ryoko* (2022) "COVID-19 Vaccine Hesitancy and Trust in Government in Nigeria", Vaccines
Sato, Ryoko* (2022) "Evaluation of catastrophic health expenditure risk due to measles in Nigeria", Human Vaccines & Immunotherapeutics
Sato, Ryoko* (2022) "Catastrophic health expenditure and its determinants among Nigerian households", Journal of Health Economics and Management
Sato, Ryoko* and Masahiko Haraguchi (2022) "Effect of measles prevalence and vaccination coverage on other disease burden: Evidence of measles immune amnesia in 46 African countries" Human Vaccines & Immunotherapeutics
Sato, Ryoko* (2022) "Malnutrition and the risk of catastrophic health expenditure in Nigeria" Global Journal of Health Science
Kamei, Akito, Ryoko Sato, Rebecca Thornton. (forthcoming) "Effect of Pregnancy Tests on Demand for family Planning: Evidence from a Randomized Controlled Trial in Uganda", Reproductive Health
Sato, Ryoko*, Maguy Daures, Kevin Phelan, Susan Shepherd, Moumouni Kinda, Renaud Becquet, Robert Hecht, Stephen Resch. (forthcoming) "Utilization patterns, outcomes, and costs of a simplified acute malnutrition treatment program in Burkina Faso" Maternal & Child Nutrition
Sato, Ryoko* and Yoshito Takasaki (2021) "Vaccine Hesitancy and Refusal: Experimental Evidence from Rural Northern Nigeria" Vaccines
Sato, Ryoko* (2021) "Differential effect of conflicts on vaccination: Boko Haram insurgency vs. other conflicts in Nigeria" Medicine, Conflict and Survival
Sato, Ryoko* and Titus Tenense (2021) "Effect of tailored information of vaccination schedule on vaccine uptake in northern Nigeria" Human Vaccines & Immunotherapeutics 1-5
Catherine Yeung, Teck-Hua Ho, Ryoko Sato, Noah Lim, Rob M. van Dam, Hong-Chang Tan, Kwang-Wei Tham, Rehan Ali (2021) "Cash Incentives for Weight Loss Work Only for Males" Behavioural Public Policy 1-21
Sato, Ryoko* (2021) "Pattern of vaccination delivery around COVID-19 lockdown in Nigeria" Human Vaccines & Immunotherapeutics Volume 17 Issue 11
Sato, Ryoko*, Julia Rohr, Sarah Huber, Yilmaz Esmer, Bahar Ayça Okçuoğlu, Duygu Karadon, Iqbal Shah and David Canning (2021) “Effect of distance to health facilities and access to contraceptive services among urban Turkish women” The European Journal of Contraceptive and Reproductive Health Care 1-9
Michael J. Mahande1, Ryoko Sato, Caroline Amour, Rachel Manongi, Amina Farah, Sia E Msuya, Bilikisu Elewonibi, Iqbal Shah (2021) “Predictors of contraceptive discontinuation among postpartum women in Arusha Region, Tanzania” Contraception and Reproductive Medicine 6(1): 1-9
Sato, Ryoko* and Yoshito Takasaki (2021) "Advantage and Disadvantage of Institutional Delivery and Home Delivery: Qualitative Study among Northern Nigerian women" European Journal of Preventive Medicine 9(1), 19-24
Olivier Drouin, Ryoko Sato, Jeremy E. Drehmer , Emara Nabi-Burza, Bethany Hipple Walters, Jonathan P. Winickoff, Douglas E. Levy (2021) "Cost-effectiveness of a smoking cessation intervention for parents in pediatric primary care" JAMA Network Open 4(4): e213927
Sato, Ryoko* (2021) "Association between uptake of selected vaccines and undernutrition among Nigerian children" accepted at Human Vaccines & Immunotherapeutics Volume 17 Issue 9, 1-9
Sato, Ryoko*, Adam Thompson, Ibrahim Sani, Loveth Metiboba, Aisha Giwa, Olufunke Femi-Ojo, Vivian Odezugo (2021) "Effect of Vaccine Direct Delivery (VDD) on Vaccine Stockouts and Number of Vaccinations: Case Study from Bauchi State, Nigeria" Vaccine 39(9). 1445-1451
Sato, Ryoko* (2021) “Gender Differences in Perceptions of Family Planning and Fertility Preferences in Northern Nigeria” Journal of Gynecology and Women’s Health, Volume 20 Issue 4
Sato, Ryoko* and Bilikisu Elewonibi (2021) “Demand for Information on Family Planning among Married Women and Men in Northern Nigeria” Journal of Gynecology and Women’s Health, Volume 20 Issue 4
Ayaga A. Bawah, Ryoko Sato, Patrick Asuming, Elizabeth G. Henry, Caesar Agula, Charles Agyei-Asabere, David Canning, Iqbal Shah. (2021) “Contraceptive method use, discontinuation and failure rates among women aged 15-49 years: evidence from selected low income settings in Kumasi, Ghana” Contraception and Reproductive Medicine, 6(1), 1-10
Sebahat Kurutaş, Ryoko Sato, Ayça Okçuoğlu, Sarah Huber-Krum, Navdep Kaur, Julia Rohr, Simay Baykal, Yilmaz Esmer, Duygu Karadon, Iqbal Shah, David Canning (2021) “Contraceptive discontinuation and switching in urban Istanbul region in Turkey” International Journal of Gynecology & Obstetrics 154(1), 133-141
Skoufias, Emmanuel, Katja Vinha, and Ryoko Sato (2021) “Reducing Stunting through Multisectoral Efforts in Sub-Saharan Africa” Journal of African Economies
Sato, Ryoko* and Yoshito Takasaki (2020) “Backfire Effect of Salient Information on Vaccine Take-up Experimental Evidence from Scared-Straight Intervention in Rural Northern Nigeria” Human Vaccines & Immunotherapeutics 3;17(6):1703-1713
Kristy Hackett, Elizabeth Henry, Imtiaz Hussain, Mirbaz Khan, Khalid Feroz, Navdep Kaur, Ryoko Sato, Sajid Soofi, David Canning, Iqbal Shah (2020) “Impact of home-based family planning counselling and referral on modern contraceptive use in Karachi, Pakistan: a retrospective, cross-sectional matched control study”, BMJ Open 2020;10:e039835. doi:10.1136/ bmjopen-2020-039835
Mahesh Karra, David Canning, and Ryoko Sato (2020) “Adding Measurement Error to Location Data to Protect Subject Confidentiality While Allowing Consistent Estimation of Exposure Effects” Journal of the Royal Statistical Society 69(5), 1251-1268
Sato, Ryoko* and Abdullahi Belel (2020) “Effect of Performance-Based Financing on Health Service Delivery: A case study from Adamawa State, Nigeria” International Health 13(2), 122-129
Elewonibi. Bilikisu, Ryoko Sato, et al. (2020) “The distance-quality trade-off in women's choice of family planning provider in North Eastern Tanzania” BMJ Global Health, 5(2)
Sato, Ryoko* (2020) “Women’s Understanding of Immunization Card and Its Correlation with Vaccination Behaviors” Human Vaccines & Immunotherapeutics, Volume 16 Issue 9
Sato, Ryoko* (2020) “Fear, Knowledge, and Vaccination Behaviors among Women in Northern Nigeria” Human Vaccines & Immunotherapeutics, Volume 16 Issue 9
Sato, Ryoko* et al. (2020) “Why do women discontinue contraception and what are the post-discontinuation outcomes? Evidence from Arusha Region, Tanzania” Sexual and Reproductive Health Matters, 28(1)
Sato, Ryoko* and Abdullahi Belel (2020) “The Effect of Performance-Based Financing on Child Vaccinations in Northern Nigeria” Vaccine 38 (9) 2209–2215
Sato, Ryoko* (2020) “Differential determinants and reasons for the non- and partial vaccination of children among Nigerian caregivers” Vaccine 38(1) 63-69, https://doi.org/10.1016/j.vaccine.2019.09.097
Sato, Ryoko* (2020) “Vaccine Stockouts and Vaccination Rate: Examination of Unique Administrative Data from Nigeria” International Health, 12, 170-176, DOI: 10.1093/inthealth/ihz091
Sato, Ryoko* (2019) “Effect of Armed Conflict on Vaccination: Evidence from the Boko Haram Insurgency in Northeastern Nigeria” Conflict and Health 13(49), https://doi.org/10.1186/s13031-019-0235-8
Sato, Ryoko* (2019) “Association between Access to Health Facility and Continuum of Vaccination Behaviors among Nigerian Children” Human Vaccines & Immunotherapeutics, Volume 16 Issue 5, 1-6, https://doi.org/10.1080/21645515.2019.1678360
Sato, Ryoko* and Benjamin Fintan (2019) “Effect of cash incentives on tetanus toxoid vaccination among rural Nigerian women: a randomized controlled trial” Human Vaccines & Immunotherapeutics, Volume 16 Issue 4, 1-8
Sato, Ryoko* (2019) “Relationship between vaccine stockouts and vaccination rate: Examination of unique administrative data from Nigeria” Journal of Vaccines & Vaccination, vol. 10:405 DOI: 10.4172/2157-7560.1000404
Sato, Ryoko* (2019) “Quality and Quantity of Health Clinics and Their Impacts on Health Behaviors and Outcomes: Analysis of Health Facility Census in Nigeria” BMC: Health Services Research 19:377 DOI: https://doi.org/10.1186/s12913-019-4141-y
Sato, Ryoko* (2019) “Psychological Barrier to Tetanus-Toxoid Vaccination among Nigerian Women” Journal of Vaccines & Vaccination, vol. 10 (1)397 DOI: 10.24105/ 2157-7560.10.397
Sato, Ryoko* and Yoshito Takasaki (2019) “Influence of Social Networks on Vaccine Take-up among Women in Rural Nigeria” Economic Development and Cultural Change, 68(1) 93-129 DOI: https://doi.org/10.1086/700570
Sato, Ryoko* and Yoshito Takasaki (2019) “Psychic vs. Economic Barriers to Vaccine Take-up: Evidence from a Field Experiment in Nigeria” The World Bank Economic Review, 33(3) 622-642 DOI: https://doi.org/10.1093/wber/lhx025
Sato, Ryoko* (2017) “Learning from a Bitter Past? Behavioral Effect of Child’s Death on Mothers” Journal of African Economies, 26(4) 470-491 DOI: https://doi.org/10.1093/jae/ejx006
Book:
Yilmaz Esmer (Editor) Culture, Politics, Ideology and Reproductive Health in Turkey. Chapter 8
Skoufias, Emmanuel, Katja Vinha, and Ryoko Sato. 2019. All Hands on Deck: Reducing Stunting through Multisectoral Effortsin Sub-Saharan Africa: Africa Development Forum series. Washington, DC: World Bank. doi:10.1596/978-1-4648-1396-2. License: Creative Commons Attribution CC BY 3.0 IGO. Book based on a report accessible at: http://documents.worldbank.org/curated/en/260571530132166786/ and the Annex to the report: http://documents.worldbank.org/curated/en/467711529406437446/
Reports:
World Bank. 2018. Poverty Trends in Ghana 2005-2017, Ghana Living Standards Survey Round 7 (GLSS7)