2024
Lamadrid, A., Jeffery, C., Anguyo, R., Devkota, B., Lako, R., & Valadez, J. J. (2024). Assessing attitudes towards violence against women and girls, their determinants and health-seeking behaviour among women and men in South Sudan: a cross-sectional national survey.. BMJ open, 14(6), e080022. doi:10.1136/bmjopen-2023-080022DOI: 10.1136/bmjopen-2023-080022
Ladu, A. I., Jeffery, C., Farate, A., Farouk, A. G., Abulfathi, F. M., Adekile, A., & Bates, I. (2024). Ultrasonographic assessment of spleen size and pattern of change among sickle cell disease patients and healthy controls in North-Eastern Nigeria. Ultrasound. doi:10.1177/1742271x241241778DOI: 10.1177/1742271x241241778
Ladu, A. I., Kadaura, M. U., Dauda, M., Baba, A. S., Zango, N. G., Jeffery, C., . . . Bates, I. (2024). Malaria Infection in Patients with Sickle Cell Disease in Nigeria: Association with Markers of Hyposplenism.. Hemoglobin, 1-9. doi:10.1080/03630269.2023.2285881DOI: 10.1080/03630269.2023.2285881
2023
Kasprowicz, V. O., Jeffery, C., Mbuvi, D., Bukirwa, V., Ouattara, K., Kirimi, F., . . . Ndung'u, T. (2023). How to improve research capacity strengthening efforts: learning from the monitoring and evaluation of four research consortia in Africa.. Health research policy and systems, 21(1), 109. doi:10.1186/s12961-023-01056-9DOI: 10.1186/s12961-023-01056-9
Kivuyo, S., Birungi, J., Okebe, J., Wang, D., Ramaiya, K., Ainan, S., . . . RESPOND-AFRICA Group. (2023). Integrated management of HIV, diabetes, and hypertension in sub-Saharan Africa (INTE-AFRICA): a pragmatic cluster-randomised, controlled trial.. Lancet (London, England), 402(10409), 1241-1250. doi:10.1016/s0140-6736(23)01573-8DOI: 10.1016/s0140-6736(23)01573-8
Ladu, A. I., Satumari, N. A., Abba, A. M., Abulfathi, F. A., Jeffery, C., Adekile, A., & Bates, I. (2023). Clinical and laboratory factors associated with splenic dysfunction among patients with sickle cell disease in a malaria endemic region.. Transactions of the Royal Society of Tropical Medicine and Hygiene, trad059. doi:10.1093/trstmh/trad059DOI: 10.1093/trstmh/trad059
Ladu, A. I., Jeffery, C., Farate, A., Farouk, A. G., Abba, A. M., Adekile, A., & Bates, I. (2023). Determinants of splenic preservation among patients with sickle cell disease in North-Eastern Nigeria. TROPICAL MEDICINE & INTERNATIONAL HEALTH, 28(8), 620-628. doi:10.1111/tmi.13910DOI: 10.1111/tmi.13910
Ladu, A. I., Satumari, N. A., Abba, A. M., Abulfathi, F. A., Jeffery, C., Adekile, A., & Bates, I. (2023). Evaluation of two red cell inclusion staining methods for assessing spleen function among sickle cell disease patients in North-East Nigeria.. PLOS global public health, 3(5), e0001552. doi:10.1371/journal.pgph.0001552DOI: 10.1371/journal.pgph.0001552
Ladu, A. I., Kadaura, M. U., Dauda, M., Baba, A. S., Jeffery, C., Farate, A., . . . Dacombe, R. (2023). Bacteraemia Among Patients with Sickle Cell Disease in Nigeria: Association with Spleen Size and Function. MEDITERRANEAN JOURNAL OF HEMATOLOGY AND INFECTIOUS DISEASES, 15(1). doi:10.4084/MJHID.2023.054DOI: 10.4084/MJHID.2023.054
Ladu, A. I., Satumari, N. A., Abba, A. M., Abulfathi, F. A., Jeffery, C., Adekunle, A., & Bates, I. (2023). Clinical and laboratory factors associated with splenic dysfunction among sickle cell disease patients. In BRITISH JOURNAL OF HAEMATOLOGY Vol. 201 (pp. 124-125). Retrieved from https://www.webofscience.com/
Ladu, A. I., Jeffery, C., Farate, A., Farouk, A. G., Abba, A. M., Adekunle, A., & Bates, I. (2023). Determinants of splenic preservation among patients with sickle cell disease in North-Eastern Nigeria. In BRITISH JOURNAL OF HAEMATOLOGY Vol. 201 (pp. 38-39). Retrieved from https://www.webofscience.com/
Ladu, A. I., Satumari, N. A., Abba, A. M., Abulfathi, F. A., Jeffery, C., Adekile, A., & Bates, I. (2023). Evaluation of red cell inclusions for assessing spleen function among sickle cell disease patients. In BRITISH JOURNAL OF HAEMATOLOGY Vol. 201 (pp. 125). Retrieved from https://www.webofscience.com/
2022
Jeffery, C., Pagano, M., Devkota, B., & Valadez, J. J. (2022). Innovative approach to improve information accuracy in a two-district cross-sectional study in Bihar, India. BMJ OPEN, 12(1). doi:10.1136/bmjopen-2021-051427DOI: 10.1136/bmjopen-2021-051427
2021
Ouma, J., Jeffery, C., Awor, C. A., Muruta, A., Musinguzi, J., Wanyenze, R. K., . . . Valadez, J. J. (2021). Model-based small area estimation methods and precise district-level HIV prevalence estimates in Uganda. PLOS ONE, 16(8). doi:10.1371/journal.pone.0253375DOI: 10.1371/journal.pone.0253375
Ouma, J., Jeffery, C., Valadez, J. J., Wanyenze, R. K., Todd, J., & Levin, J. (2021). Difference in HIV prevalence by testing venue: results from population level survey in Uganda. AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV, 33(3), 273-284. doi:10.1080/09540121.2020.1734179DOI: 10.1080/09540121.2020.1734179
2020
Valadez, J. J., Berendes, S., Odhiambo, J., Vargas, W., Deykota, B., Lako, R., & Jeffery, C. (2020). Is development aid to strengthen health systems during protracted conflict a useful investment? The case of South Sudan, 2011-2015. BMJ GLOBAL HEALTH, 5(4). doi:10.1136/bmjgh-2019-002093DOI: 10.1136/bmjgh-2019-002093
Odhiambo, J., Jeffery, C., Lako, R. L., Devkota, B., & Valadez, J. J. (2020). Measuring health system resilience in a highly fragile nation during protracted conflict: South Sudan 2011-15. HEALTH POLICY AND PLANNING, 35(3), 313-322. doi:10.1093/heapol/czz160DOI: 10.1093/heapol/czz160
Ouma, J., Jeffery, C., Valadez, J. J., Wanyenze, R. K., Todd, J., & Levin, J. (2020). Combining national survey with facility-based HIV testing data to obtain more accurate estimate of HIV prevalence in districts in Uganda. BMC PUBLIC HEALTH, 20(1). doi:10.1186/s12889-020-8436-zDOI: 10.1186/s12889-020-8436-z
2019
Valadez, J. J., Devkota, B., Jeffery, C., & Hadden, W. C. (2019). How well do mothers recall their own and their infants' perinatal events? A two-district study using cross-sectional stratified random sampling in Bihar, India. BMJ OPEN, 9(12). doi:10.1136/bmjopen-2019-031289DOI: 10.1136/bmjopen-2019-031289
Maroto-Camino, C., Hernandez-Pastor, P., Awaca, N., Safari, L., Hemingway, J., Massangaie, M., . . . Valadez, J. J. (2019). Improved assessment of mass drug administration and health district management performance to eliminate lymphatic filariasis. PLOS NEGLECTED TROPICAL DISEASES, 13(7). doi:10.1371/journal.pntd.0007337DOI: 10.1371/journal.pntd.0007337
2018
Jeffery, C., Pagano, M., Hemingway, J., & Valadez, J. J. (2018). Hybrid prevalence estimation: Method to improve intervention coverage estimations. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 115(51), 13063-13068. doi:10.1073/pnas.1810287115DOI: 10.1073/pnas.1810287115
Pulford, J., Saweri, O. P. M., Jeffery, C., Siba, P. M., Mueller, N., & Hetzel, M. W. (2018). Does test-based prescription of evidence-based treatment for malaria improve treatment seeking and satisfaction? Findings of repeated cross-sectional surveys in Papua New Guinea. BMJ GLOBAL HEALTH, 3(6). doi:10.1136/bmjgh-2018-000915DOI: 10.1136/bmjgh-2018-000915
2016
Sprague, D. A., Jeffery, C., Crossland, N., House, T., Roberts, G. O., Vargas, W., . . . Valadez, J. J. (2016). Assessing delivery practices of mothers over time and over space in Uganda, 2003-2012. EMERGING THEMES IN EPIDEMIOLOGY, 13. doi:10.1186/s12982-016-0049-8DOI: 10.1186/s12982-016-0049-8
Associations with HIV testing in Uganda: an analysis of the Lot Quality Assurance Sampling database 2003-2012 (Journal article)
Jeffery, C., Beckworth, C., Hadden, W. C., Ouma, J., Lwanga, S. K., & Valadez, J. J. (2016). Associations with HIV testing in Uganda: an analysis of the Lot Quality Assurance Sampling database 2003-2012. AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV, 28(4), 519-523. doi:10.1080/09540121.2015.1112350DOI: 10.1080/09540121.2015.1112350
2015
Anoke, S. C., Mwai, P., Jeffery, C., Valadez, J. J., & Pagano, M. (2015). Comparing two survey methods of measuring health-related indicators: Lot Quality Assurance Sampling and Demographic Health Surveys. TROPICAL MEDICINE & INTERNATIONAL HEALTH, 20(12), 1756-1770. doi:10.1111/tmi.12605DOI: 10.1111/tmi.12605
Crossland, N., Hadden, W. C., Vargas, W. E., Valadez, J. J., & Jeffery, C. (2015). Sexual and Reproductive Health Among Ugandan Youth: 2003-04 to 2012. JOURNAL OF ADOLESCENT HEALTH, 57(4), 393-398. doi:10.1016/j.jadohealth.2015.06.015DOI: 10.1016/j.jadohealth.2015.06.015
Olanrewaju, A. D., Jeffery, C., Crossland, N., & Valadez, J. J. (2015). Access to Education for Orphans and Vulnerable Children in Uganda: A Multi-District, Cross-Sectional Study Using Lot Quality Assurance Sampling from 2011 to 2013. PLOS ONE, 10(7). doi:10.1371/journal.pone.0132905DOI: 10.1371/journal.pone.0132905
Ameyan, W., Jeffery, C., Negash, K., Biruk, E., & Taegtmeyer, M. (2015). Attracting female sex workers to HIV testing and counselling in Ethiopia: a qualitative study with sex workers in Addis Ababa. AJAR-AFRICAN JOURNAL OF AIDS RESEARCH, 14(2), 137-144. doi:10.2989/16085906.2015.1040809DOI: 10.2989/16085906.2015.1040809
2014
Valadez, J. J., Jeffery, C., Davis, R., Ouma, J., Lwanga, S. K., & Moxon, S. (2014). Putting the C Back into the ABCs: A Multi-Year, Multi-Region Investigation of Condom Use by Ugandan Youths 2003-2010. PLOS ONE, 9(4). doi:10.1371/journal.pone.0093083DOI: 10.1371/journal.pone.0093083
Jeffery, C., Ozonoff, A., & Pagano, M. (2014). The effect of spatial aggregation on performance when mapping a risk of disease. INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS, 13. doi:10.1186/1476-072X-13-9DOI: 10.1186/1476-072X-13-9
2013
P3.100 Filling the Knowledge Gap: Measuring HIV Prevalence and Risk Factors Among Populations Most Vulnerable to HIV in Libya (Journal article)
Valadez, J. J., Berendes, S., Jeffery, C., Thomson, J., Othman, H. B., Moxon, S., . . . Mirzoyan, L. (2013). P3.100 Filling the Knowledge Gap: Measuring HIV Prevalence and Risk Factors Among Populations Most Vulnerable to HIV in Libya. Sexually Transmitted Infections, 89(Suppl 1), A178.3-A178. doi:10.1136/sextrans-2013-051184.0559DOI: 10.1136/sextrans-2013-051184.0559
Valadez, J. J., Berendes, S., Jeffery, C., Thomson, J., Ben Othman, H., Danon, L., . . . Mirzoyan, L. (2013). Filling the Knowledge Gap: Measuring HIV Prevalence and Risk Factors among Men Who Have Sex with Men and Female Sex Workers in Tripoli, Libya. PLOS ONE, 8(6). doi:10.1371/journal.pone.0066701DOI: 10.1371/journal.pone.0066701
Distance-Based Mapping of Disease Risk (Journal article)
Jeffery, C., Ozonoff, A., White, L. F., & Pagano, M. (2013). Distance-Based Mapping of Disease Risk. INTERNATIONAL JOURNAL OF BIOSTATISTICS, 9(2), 265-290. doi:10.1515/ijb-2012-0024DOI: 10.1515/ijb-2012-0024
New Evidence on the HIV Epidemic in Libya: Why Countries Must Implement Prevention Programs Among People Who Inject Drugs (Journal article)
Mirzoyan, L., Berendes, S., Jeffery, C., Thomson, J., Ben Othman, H., Danon, L., . . . Valadez, J. J. (2013). New Evidence on the HIV Epidemic in Libya: Why Countries Must Implement Prevention Programs Among People Who Inject Drugs. JAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES, 62(5), 577-583. doi:10.1097/QAI.0b013e318284714aDOI: 10.1097/QAI.0b013e318284714a
Disease Mapping with Spatially Uncertain Data (Journal article)
Manjourides, J., Cohen, T., Jeffery, C., & Pagano, M. (n.d.). Disease Mapping with Spatially Uncertain Data. Online Journal of Public Health Informatics, 5(1). doi:10.5210/ojphi.v5i1.4380DOI: 10.5210/ojphi.v5i1.4380
2012
Re: Supporting health systems for tuberculosis through research (Journal article)
Cohen, T., Lin, H. -H., Shin, S., Jeffery, C., Contreras, C., Santa Cruz, J., . . . Manjourides, J. (2012). Re: Supporting health systems for tuberculosis through research. TUBERCULOSIS, 92(4), 290. doi:10.1016/j.tube.2012.04.001DOI: 10.1016/j.tube.2012.04.001
Identifying multidrug resistant tuberculosis transmission hotspots using routinely collected data (Journal article)
Manjourides, J., Lin, H. -H., Shin, S., Jeffery, C., Contreras, C., Santa Cruz, J., . . . Cohen, T. (2012). Identifying multidrug resistant tuberculosis transmission hotspots using routinely collected data. TUBERCULOSIS, 92(3), 273-279. doi:10.1016/j.tube.2012.02.003DOI: 10.1016/j.tube.2012.02.003
2009
Power to Detect Spatial Disturbances under Different Levels of Geographic Aggregation (Journal article)
Jeffery, C., Ozonoff, A., White, L. F., Nuno, M., & Pagano, M. (2009). Power to Detect Spatial Disturbances under Different Levels of Geographic Aggregation. JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION, 16(6), 847-854. doi:10.1197/jamia.M2788DOI: 10.1197/jamia.M2788
2007
Ozonoff, A., Jeffery, C., Manjourides, J., White, L. F., & Pagano, M. (2007). Effect of spatial resolution on cluster detection: a simulation study. INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS, 6. doi:10.1186/1476-072X-6-52DOI: 10.1186/1476-072X-6-52
2006
A Spatiotemporal Analysis of Syndromic Data for Biosurveillance (Chapter)
Forsberg, L., Jeffery, C., Ozonoff, A., & Pagano, M. (n.d.). A Spatiotemporal Analysis of Syndromic Data for Biosurveillance. In Statistical Methods in Counterterrorism (pp. 173-191). Springer New York. doi:10.1007/0-387-35209-0_10DOI: 10.1007/0-387-35209-0_10
2005
Distance-Based Methods for Spatial and Spatio-temporal Surveillance (Chapter)
Forsberg, L., Bonetti, M., Jeffery, C., Ozonoff, A., & Pagano, M. (2005). Distance-Based Methods for Spatial and Spatio-temporal Surveillance. In SPATIAL AND SYNDROMIC SURVEILLANCE FOR PUBLIC HEALTH (pp. 133-152). doi:10.1002/0470092505.ch8DOI: 10.1002/0470092505.ch8