1982 …2020

Research output per year

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Article

Improved methods and assumptions for estimation of the HIV/AIDS epidemic and its impact: Recommendations of the UNAIDS Reference Group on estimates, modelling and projections

Artzrouni, M., Brown, T., Feeney, G., Garnett, G., Ghys, P., Grassly, N., Lazzari, S., Schneider, D., Stanecki, K., Stover, J., Schwartländer, B., Walker, N., Way, P., Yan, P., Zaba, B., Zlotnik, H., Boerma, T., Brahmbhatt, H., Calleja, J. M., Chin, J. & 16 others, Coutinho, R., Dabis, F., De Cock, K., Fitzgerald, D., Garnett, G., Gray, R., Kitayaporn, D., Landmann Szwarcwald, C., Morgan, D., Peerpatanapokin, W., Rangsin, R., Reddy, D. K., De Vincenzi, I., Monasch, R., Peeranapatopokin, W. & Timæus, I., Jun 14 2002, In : AIDS. 16, 9, p. W1-W14

Research output: Contribution to journalArticle

Improved measurement for mothers, newborns and children in the era of the Sustainable Development Goals

Marchant, T., Bryce, J., Victora, C., Moran, A. C., Claeson, M., Requejo, J. H., Amouzou, A., Walker, N., Boerma, T. & Grove, J., 2016, In : Journal of Global Health. 6, 1, 010506.

Research output: Contribution to journalArticle

Improved data, methods and tools for the 2007 HIV and AIDS estimates and projections

Ghys, P. D., Walker, N., McFarland, W., Miller, R. & Garnett, G. P., Aug 1 2008, In : Sexually transmitted infections. 84, SUPPL. 1, p. i1-i4

Research output: Contribution to journalArticle

Open Access

Impact of malaria interventions on child mortality in endemic African settings: Comparison and alignment between LiST and Spectrum-Malaria model

Korenromp, E., Hamilton, M., Sanders, R., Mahiané, G., Briët, O. J. T., Smith, T., Winfrey, W., Walker, N. & Stover, J., Nov 7 2017, In : BMC public health. 17, 781.

Research output: Contribution to journalArticle

Impacto económico estimado de las vacunas en 73 países con ingresos bajos y medios, 2001-2020

Translated title of the contribution: Estimated economic impact of vaccinations in 73 low- and middleincome countries, 2001–2020Ozawa, S., Clark, S., Portnoy, A., Grewal, S., Stack, M. L., Sinha, A., Mirelman, A., Franklin, H., Friberg, I. K., Tam, Y., Walker, N., Clark, A., Ferrari, M., Suraratdecha, C., Sweet, S., Goldie, S. J., Garske, T., Li, M., Hansen, P. M., Johnson, H. L. & 1 others, Walker, D., Sep 2017, In : Bulletin of the World Health Organization. 95, 9, p. 629-638 10 p.

Research output: Contribution to journalArticle

Human Factors Goes to the Gridiron

Walker, N. & Fisk, A. D., Jul 1995, In : Ergonomics in Design: The Quarterly of Human Factors Applications. 3, 3, p. 8-13 6 p.

Research output: Contribution to journalArticle

Gaps in the implementation of antenatal syphilis detection and treatment in health facilities across sub-Saharan Africa

Kanyangarara, M., Walker, N. & Boerma, T., Jun 1 2018, In : PLoS One. 13, 6, e0198622.

Research output: Contribution to journalArticle

Functional limitations to daily living tasks in the aged: A focus group analysis

Rogers, W. A., Meyer, B., Walker, N. & Fisk, A. D., Mar 1 1998, In : Human Factors. 40, 1, p. 111-125 15 p.

Research output: Contribution to journalArticle

Fertility of HIV-infected women: insights from Demographic and Health Surveys.

Chen, W. J. & Walker, N., Dec 2010, In : Sexually transmitted infections. 86 Suppl 2, p. ii22-27

Research output: Contribution to journalArticle

Factors associated with the decline in under five diarrhea mortality in Tanzania from 1980-2015

Masanja, H., Mongi, P., Baraka, J., Jackson, B., Kisisiwe, Y., Manji, K., Iriya, N., John, T., Kimatta, S., Walker, N. & Black, R. E., Dec 1 2019, In : Journal of global health. 9, 2, 1 p.

Research output: Contribution to journalArticle

Open Access

Factors associated with the decline in under-five diarrhea mortality in India: A LiST analysis

Choudhary, T. S., Sinha, B., Khera, A., Bhandari, N., Chu, Y., Jackson, B., Walker, N., Black, R. E., Merson, M. & Bhan, M. K., Jan 1 2019, In : Journal of global health. 9, 2, 020804.

Research output: Contribution to journalArticle

Open Access

Evaluation of the CyberGlove as a Whole-Hand Input Device

Kessler, G. D., Hodges, L. F. & Walker, N., Jan 12 1995, In : ACM Transactions on Computer-Human Interaction. 2, 4, p. 263-283 21 p.

Research output: Contribution to journalArticle

Estimation of "needs" and "probable uptake" for HIV/AIDS preventive vaccines based on possible policies and likely acceptance (a WHO/UNAIDS/IAVI study)

Esparza, J., Chang, M. L., Widdus, R., Madrid, Y., Walker, N. & Ghys, P. D., May 16 2003, In : Vaccine. 21, 17-18, p. 2032-2041 10 p.

Research output: Contribution to journalArticle

Open Access

Estimating the global burden of HIV/AIDS: What do we really know about the HIV pandemic?

Walker, N., Grassly, N. C., Garnett, G. P., Stanecki, K. A. & Ghys, P. D., Jun 26 2004, In : Lancet. 363, 9427, p. 2180-2185 6 p.

Research output: Contribution to journalArticle

Estimating resource needs for HIV/AIDS health care services in low-income and middle-income countries

Bertozzi, S., Gutierrez, J. P., Opuni, M., Walker, N. & Schwartländer, B., Aug 1 2004, In : Health policy. 69, 2, p. 189-200 12 p.

Research output: Contribution to journalArticle

Estimating lives saved by achieving dietary micronutrient adequacy, with a focus on vitamin A intervention programs in Cameroon

Engle-Stone, R., Perkins, A., Clermont, A., Walker, N., Haskell, M. J., Vosti, S. A. & Brown, K. H., Nov 1 2017, In : Journal of Nutrition. 147, 11, p. 2194S-2203S

Research output: Contribution to journalArticle

Estimating HIV/AIDS prevalence in countries with low-level and concentrated epidemics: The example of Honduras

Ramón, J. S., Alvarenga, M., Walker, N., Garcia-Calleja, J. M. & Zacarias, F., Dec 1 2002, In : AIDS. 16, SUPPL. 3, p. S18-S22

Research output: Contribution to journalArticle

Estimates of maternal mortality worldwide between 1990 and 2005: an assessment of available data

Hill, K., Thomas, K., AbouZahr, C., Walker, N., Say, L., Inoue, M. & Suzuki, E., Oct 13 2007, In : Lancet. 370, 9595, p. 1311-1319 9 p.

Research output: Contribution to journalArticle

Estimates of HIV burden in emergencies

Lowicki-Zucca, M., Spiegel, P. B., Kelly, S., Dehne, K. L., Walker, N. & Ghys, P. D., Aug 1 2008, In : Sexually transmitted infections. 84, SUPPL. 1, p. i42-i48

Research output: Contribution to journalArticle

Estimates of child deaths prevented from malaria prevention scale-up in Africa 2001-2010

Eisele, T. P., Larsen, D. A., Walker, N., Cibulskis, R. E., Yukich, J. O., Zikusooka, C. M. & Steketee, R. W., Mar 29 2012, In : Malaria journal. 11, 93.

Research output: Contribution to journalArticle

Estimated global distribution and regional spread of HIV-1 genetic subtypes in the year 2000

Osmanov, S., Pattou, C., Walker, N., Schwardländer, B., Esparza, J., Abimiku, A., Barre-Sinoussi, F., Biberfield, G., Birx, D., Bobkov, A., Von Briesen, H., Dietrich, U., Chappey, C., Galvao-Castro, B., Morgado, M., Tanuri, A., Goudsmit, J., Lukashov, L., Van der Groen, G., Heyndrickx, L. & 24 others, Janssen, W., Hahn, B., Gao, F., Hoelscher, M., Kaleebu, P., Sempala, S., Kalish, M., Korber, B., Lopez-Galindez, C., M'Boup, S., McCutchan, F., Mhalu, F., Lyamuya, E., Mullins, J., Najera, R., Nkengasong, J., Peeters, M., Delaporte, E., Salminen, M., Salomon, H., Samuel, N. M., Shao, Y., Wasi, C. & Williamson, C., Feb 1 2002, In : Journal of Acquired Immune Deficiency Syndromes. 29, 2, p. 184-190 7 p.

Research output: Contribution to journalArticle

Epidemiological analysis of the quality of HIV sero-surveillance in the world: How well do we track the epidemic?

Walker, N., Garcia-Calleja, J. M., Heaton, L., Asamoah-Odei, E., Poumerol, G., Lazzari, S., Ghys, P. D., Schwartländer, B. & Stanecki, K. A., Aug 17 2001, In : AIDS. 15, 12, p. 1545-1554 10 p.

Research output: Contribution to journalArticle

Encoding processes and the recall of text

Walker, N., Jones, J. P. & Mar, H. H., May 1 1983, In : Memory & Cognition. 11, 3, p. 275-282 8 p.

Research output: Contribution to journalArticle

Effects of variation in system responsiveness on user performance in virtual environments

Watson, B., Walker, N., Ribarsky, W. & Spaulding, V., Sep 1998, In : Human Factors. 40, 3, p. 403-414 12 p.

Research output: Contribution to journalArticle

Effects of deworming on child and maternal health: A literature review and meta-analysis

Thayer, W. M., Clermont, A. & Walker, N., Nov 7 2017, In : BMC Public Health. 17, 830.

Research output: Contribution to journalArticle

Open Access

Drivers of the reduction in childhood diarrhea mortality 1980-2015 and interventions to eliminate preventable diarrhea deaths by 2030

Black, R., Fontaine, O., Lamberti, L., Bhan, M., Huicho, L., El Arifeen, S., Masanja, H., Walker, C. F., Mengestu, T. K., Pearson, L., Young, M., Orobaton, N., Chu, Y., Jackson, B., Bateman, M., Walker, N. & Merson, M., Jan 1 2019, In : Journal of global health. 9, 2, 020801.

Research output: Contribution to journalArticle

Open Access

Drivers of the progress achieved by Peru in reducing childhood diarrhoea mortality: a country case study

Huicho, L., Tavera, M., Huayanay-Espinoza, C. A., Béjar-Díaz, M., Rivera-Ch, M., Tam, Y., Walker, N. & Black, R. E., Dec 1 2019, In : Journal of global health. 9, 2, 1 p.

Research output: Contribution to journalArticle

Open Access

Distribution of major health risks: Findings from the global burden of disease study

Comparative Risk Assessment Collaborating Group, Jan 1 2004, In : PLoS medicine. 1, 1, p. 44-55 12 p., e27.

Research output: Contribution to journalArticle

Discrepancies between UN models and DHS survey estimates of maternal orphan prevalence: Insights from analyses of survey data from Zimbabwe

Robertson, L., Gregson, S., Madanhire, C., Walker, N., Mushati, P., Garnett, G. & Nyamukapa, C., Aug 1 2008, In : Sexually transmitted infections. 84, SUPPL. 1, p. i57-i62

Research output: Contribution to journalArticle

Direct retrieval from elaborated memory traces

Walker, N., Jul 1 1986, In : Memory & Cognition. 14, 4, p. 321-328 8 p.

Research output: Contribution to journalArticle

Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti

Hallett, T. B., Aberle-Grasse, J., Bello, G., Boulos, L. M., Cayemittes, M. P. A., Cheluget, B., Chipeta, J., Dorrington, R., Dube, S., Ekra, A. K., Garcia-Calleja, J. M., Garnett, G. P., Greby, S., Gregson, S., Grove, J. T., Hader, S., Hanson, J., Hladik, W., Ismail, S., Kassim, S. & 9 others, Kirungi, W., Kouassi, L., Mahomva, A., Marum, L., Maurice, C., Nolan, M., Rehle, T., Stover, J. & Walker, N., Apr 1 2006, In : Sexually transmitted infections. 82, SUPPL. 1, p. i1-i8

Research output: Contribution to journalArticle

Country-specific estimates and models of HIV and AIDS: Methods and limitations

Schwartländer, B., Stanecki, K. A., Brown, T., Way, P. O., Monasch, R., Chin, J., Tarantola, D. & Walker, N., Jan 1 1999, In : AIDS. 13, 17, p. 2445-2458 14 p.

Research output: Contribution to journalArticle

Comprehension and recall of sentences by mentally retarded and nonretarded individuals

Bilsky, L. H., Walker, N. & Sakales, S. R., Jan 1 1983, In : American Journal of Mental Deficiency. 87, 5, p. 558-565 8 p.

Research output: Contribution to journalArticle

Comparison of household-survey estimates with projections of mortality and orphan numbers in sub-Saharan Africa in the area of HIV/AIDS

Grassly, N. C., Lewis, J. J. C., Mahy, M., Walker, N. & Timaæus, I. M., Jul 1 2004, In : Population Studies. 58, 2, p. 207-217 11 p.

Research output: Contribution to journalArticle

Comparing modelled predictions of neonatal mortality impacts using list with observed results of community-based intervention trials in South Asia

Friberg, I. K., Bhutta, Z. A., Darmstadt, G. L., Bang, A., Cousens, S., Baqui, A. H., Kumar, V., Walker, N. & Lawn, J. E., Apr 1 2010, In : International journal of epidemiology. 39, SUPPL. 1, p. i11-i20

Research output: Contribution to journalArticle

Classifying graphical information

Lohse, G., Walker, N., Biolsi, K. & RUETer, H., Jan 1 1991, In : Behaviour and Information Technology. 10, 5, p. 419-436 18 p.

Research output: Contribution to journalArticle

Can we reverse the HIV/AIDS pandemic with an expanded response?

Stover, J., Walker, N., Garnett, G. P., Salomon, J. A., Stanecki, K. A., Ghys, P. D., Grassly, N. C., Anderson, R. M. & Schwartländer, B., Jul 6 2002, In : Lancet. 360, 9326, p. 73-77 5 p.

Research output: Contribution to journalArticle

Can the world afford to save the lives of 6 million children each year?

Bryce, J., Black, R. E., Walker, N., Bhutta, Z. A., Lawn, J. E. & Steketee, R. W., Jun 25 2005, In : Lancet. 365, 9478, p. 2193-2200 8 p.

Research output: Contribution to journalArticle

Bangladesh: A success case in combating childhood diarrhoea

Billah, S. M., Raihana, S., Ali, N. B., Iqbal, A., Rahman, M. M., Khan, A. N. S., Karim, F., Karim, M. A., Hassan, A., Jackson, B., Walker, N., Hossain, M. A., Sarker, S., Black, R. E. & El Arifeen, S. E., Jan 1 2019, In : Journal of global health. 9, 2, 020803.

Research output: Contribution to journalArticle

Open Access

A survey of automatic teller machine usage across the adult life span

Rogers, W. A., Cabrera, E. F., Walker, N., Gilbert, D. K. & Fisk, A. D., Mar 1 1996, In : Human Factors. 38, 1, p. 156-166 11 p.

Research output: Contribution to journalArticle

A program for parsing mouse movements into component submovements

Walker, N., Philbin, D., Worden, A. & Smelcer, J. B., Jan 1 1997, In : Behavior Research Methods, Instruments, and Computers. 29, 3, p. 456-460 5 p.

Research output: Contribution to journalArticle

Open Access

An evaluation of level of detail degradation in head-mounted display peripheries

Watson, B., Walker, N., Hodges, L. F. & Reddy, M., Jan 1 1997, In : Presence: Teleoperators and Virtual Environments. 6, 6, p. 630-637 8 p.

Research output: Contribution to journalArticle

A global analysis of trends in the quality of HIV sero-surveillance

Garcia-Calleja, J. M., Zaniewski, E., Ghys, P. D., Stanecki, K. & Walker, N., Aug 1 2004, In : Sexually transmitted infections. 80, SUPPL. 1, p. i25-i30

Research output: Contribution to journalArticle

Aging and decision making: Driving-related problem solving

Walker, N., Fain, W. B., Fisk, A. D. & McGuire, C. L., Sep 1 1997, In : Human Factors. 39, 3, p. 438-444 7 p.

Research output: Contribution to journalArticle