1982 …2019

Research output per year

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Research Output

2013

The estimated mortality impact of vaccinations forecast to be administered during 2011-2020 in 73 countries supported by the gavi alliance

Lee, L. A., Franzel, L., Atwell, J., Datta, S. D., Friberg, I. K., Goldie, S. J., Reef, S. E., Schwalbe, N., Simons, E., Strebel, P. M., Sweet, S., Suraratdecha, C., Tam, Y., Vynnycky, E., Walker, N., Walker, D. G. & Hansen, P. M., Apr 18 2013, In : Vaccine. 31, SUPPL2, p. B61-B72

Research output: Contribution to journalReview article

Time to initiation of breastfeeding and neonatal mortality and morbidity: A systematic review

Debes, A. K., Kohli, A., Walker, N., Edmond, K. & Mullany, L. C., Sep 25 2013, In : BMC public health. 13, SUPPL.3, S19.

Research output: Contribution to journalReview article

2012

Child Mortality Estimation: Accelerated Progress in Reducing Global Child Mortality, 1990-2010

Hill, K., You, D., Inoue, M., Oestergaard, M. Z., Hill, K., Alkema, L., Cousens, S., Croft, T., Guillot, M., Pedersen, J., Walker, N., Wilmoth, J. & Jones, G., Aug 1 2012, In : PLoS medicine. 9, 8, e1001303.

Research output: Contribution to journalReview article

Child Mortality Estimation: Methods Used to Adjust for Bias due to AIDS in Estimating Trends in Under-Five Mortality

Walker, N., Hill, K. & Zhao, F., Aug 1 2012, In : PLoS medicine. 9, 8, e1001298.

Research output: Contribution to journalReview article

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

Knowledge versus Execution in Dynamic Judgment Tasks

Bisantz, A. M., Kirlik, A., Walker, N., Fisk, A. D., Gay, P. & Phipps, D., Mar 22 2012, Adaptive Perspectives on Human-Technology Interaction: Methods and Models for Cognitive Engineering and Human-Computer Interaction. Oxford University Press

Research output: Chapter in Book/Report/Conference proceedingChapter

2011

Assumptions and methods in the Lives Saved Tool (LiST)

Fox, M. J., Martorell, R., Van Den Broek, N. & Walker, N., Apr 26 2011, In : BMC public health. 11, SUPPL. 3, I1.

Research output: Contribution to journalEditorial

Mathematical models in the evaluation of health programmes

Garnett, G. P., Cousens, S., Hallett, T. B., Steketee, R. & Walker, N., Aug 6 2011, In : The Lancet. 378, 9790, p. 515-525 11 p.

Research output: Contribution to journalReview article

Plausible estimates of stillbirth rates

Walker, N., Apr 16 2011, In : The Lancet. 377, 9774, p. 1292-1294 3 p.

Research output: Contribution to journalComment/debate

Scaling up diarrhea prevention and treatment interventions: A lives saved tool analysis

Walker, C. L. F., Friberg, I. K., Binkin, N., Young, M., Walker, N., Fontaine, O., Weissman, E., Gupta, A. & Black, R. E., Mar 1 2011, In : PLoS medicine. 8, 3, e1000428.

Research output: Contribution to journalArticle

Stillbirths: How can health systems deliver for mothers and babies?

Pattinson, R., Kerber, K., Buchmann, E., Friberg, I. K., Belizan, M., Lansky, S., Weissman, E., Mathai, M., Rudan, I., Walker, N. & Lawn, J. E., Jan 1 2011, In : The Lancet. 377, 9777, p. 1610-1623 14 p.

Research output: Contribution to journalReview article

2010

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., Kumar, V., Walker, N. & Lawn, J. E., Apr 1 2010, In : International Journal of Epidemiology. 39, SUPPL. 1

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

LiST as a catalyst in program planning: Experiences from Burkina Faso, Ghana and Malawi

Bryce, J., Friberg, I. K., Kraushaar, D., Nsona, H., Afenyadu, G. Y., Nare, N., Kyei-Faried, S. & Walker, N., Apr 1 2010, In : International journal of epidemiology. 39, SUPPL. 1, p. i40-i47

Research output: Contribution to journalArticle

Standards for CHERG reviews of intervention effects on child survival

Walker, N., Fischer-Walker, C., Bryce, J., Bahl, R. & Cousens, S., Apr 1 2010, In : International journal of epidemiology. 39, SUPPL. 1, p. i21-i31

Research output: Contribution to journalArticle

Sub-Saharan Africa's mothers, newborns, and children: How many lives could be saved with targeted health interventions?

Friberg, I. K., Kinney, M. V., Lawn, J. E., Kerber, K. J., Odubanjo, M. O., Bergh, A. M., Walker, N., Weissman, E., Chopra, M. & Black, R. E., Jun 1 2010, In : PLoS medicine. 7, 6

Research output: Contribution to journalArticle

2008

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

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

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

Interpreting declines in HIV prevalence: Impact of spatial aggregation and migration on expected declines in prevalence

Walker, P. T., Hallett, T. B., White, P. J. & Garnett, G. P., Oct 1 2008, In : Sexually transmitted infections. 84, SUPPL. 2, p. ii42-ii48

Research output: Contribution to journalArticle

Saving newborn lives in Asia and Africa: Cost and impact of phased scale-up of interventions within the continuum of care

Darmstadt, G. L., Walker, N., Lawn, J. E., Bhutta, Z. A., Haws, R. A. & Cousens, S., Mar 1 2008, In : Health policy and planning. 23, 2, p. 101-117 17 p.

Research output: Contribution to journalArticle

2007

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

Global Burden of Disease 2005: call for collaborators

Murray, C. JL., Lopez, A. D., Black, R., Mathers, C. D., Shibuya, K., Ezzati, M., Salomon, J. A., Michaud, C. M., Walker, N. & Vos, T., Jul 14 2007, In : Lancet. 370, 9582, p. 109-110 2 p.

Research output: Contribution to journalComment/debate

Interpreting health statistics for policymaking: the story behind the headlines

Walker, N., Bryce, J. & Black, R. E., Mar 17 2007, In : Lancet. 369, 9565, p. 956-963 8 p.

Research output: Contribution to journalReview article

National response to orphans and other vulnerable children in sub-Saharan Africa: The OVC policy and planning effort index, 2004

Monasch, R., Stover, J., Loudon, M., Kabira, D. & Walker, N., Apr 1 2007, In : Vulnerable Children and Youth Studies. 2, 1, p. 40-59 20 p.

Research output: Contribution to journalArticle

Resource needs to support orphans and vulnerable children in sub-Saharan Africa

Stover, J., Bollinger, L., Walker, N. & Monasch, R., Jan 1 2007, In : Health policy and planning. 22, 1, p. 21-27 7 p.

Research output: Contribution to journalArticle

2006

Better health statistics are possible

Bchir, A., Bhutta, Z., Binka, F., Black, R., Bradshaw, D., Garnett, G., Hayashi, K., Jha, P., Peto, R., Sawyer, C., Schwartländer, B., Walker, N., Wolfson, M., Yach, D. & Zaba, B., Jan 21 2006, In : Lancet. 367, 9506, p. 190-193 4 p.

Research output: Contribution to journalComment/debate

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

Improved plausibility bounds about the 2005 HIV and AIDS estimates

Morgan, M., Walker, N., Gouws, E., Stanecki, K. A. & Stover, J., Jun 1 2006, In : Sexually transmitted infections. 82, SUPPL. III, p. iii71-iii77

Research output: Contribution to journalArticle

Improving analysis of the size and dynamics of AIDS epidemics

Ghys, P. D., Walker, N. & Garnett, G. P., Jun 1 2006, In : Sexually transmitted infections. 82, SUPPL. III, p. iii1-iii2

Research output: Contribution to journalEditorial

Monitoring the scale-up of antiretroviral therapy programmes: Methods to estimate coverage

Boerma, J. T., Stanecki, K. A., Newell, M. L., Luo, C., Beusenberg, M., Garnett, G. P., Little, K., Calleja, J. G., Crowley, S., Jim, Y. K., Zaniewski, E., Walker, N., Stover, J. & Ghys, P. D., Feb 1 2006, In : Bulletin of the World Health Organization. 84, 2, p. 145-150 6 p.

Research output: Contribution to journalReview article

Projecting the demographic impact of AIDS and the number of people in need of treatment: Updates to the Spectrum projection package

Stover, J., Walker, N., Grassly, N. C. & Marston, M., Jun 1 2006, In : Sexually transmitted infections. 82, SUPPL. III, p. iii45-iii50

Research output: Contribution to journalArticle

The global impact of scaling up HIV/AIDS prevention programs in low- and middle-income countries

Stover, J., Bertozzi, S., Gutierrez, J. P., Walker, N., Stanecki, K. A., Greener, R., Gouws, E., Hankins, C., Garnett, G. P., Salomon, J. A., Boerma, J. T., De Lay, P. & Ghys, P. D., Mar 10 2006, In : Science. 311, 5766, p. 1474-1476 3 p.

Research output: Contribution to journalArticle

Tracking progress towards the Millennium Development Goals: Reaching consensus on child mortality levels and trends

Hill, K., Croft, T., Jones, G., Loaiza, E., Hancioglu, A., Walker, N., Bakka, E., Wardlaw, T., Wilmoth, J., Pelletier, F., Sawyer, C., Buettner, T., Suzuki, E., Bos, E., Inoue, M., Shibuya, K. & Boerma, T., Mar 1 2006, In : Bulletin of the World Health Organization. 84, 3, p. 225-232 8 p.

Research output: Contribution to journalArticle

2005

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

Evidence-based, cost-effective interventions: How many newborn babies can we save?

Darmstadt, G. L., Bhutta, Z. A., Cousens, S., Adam, T., Walker, N. & De Bernis, L., Mar 12 2005, In : Lancet. 365, 9463, p. 977-988 12 p.

Research output: Contribution to journalReview article

Integrating HIV prevention and treatment: From slogans to impact

Salomon, J. A., Hogan, D. R., Stover, J., Stanecki, K. A., Walker, N., Ghys, P. D. & Schwartländer, B., Apr 7 2005, In : PLoS medicine. 2, p. 50-56 7 p.

Research output: Contribution to journalArticle

Neonatal survival: A call for action

Martines, J., Paul, V. K., Bhutta, Z. A., Koblinsky, M., Soucat, A., Walker, N., Bahl, R., Fogstad, H. & Costello, A., Mar 26 2005, In : Lancet. 365, 9465, p. 1189-1197 9 p.

Research output: Contribution to journalReview article

2004

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

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

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

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 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

Supra-threshold control of peripheral LOD

Watson, B., Walker, N. & Hodges, L. F., Dec 1 2004, In : ACM Transactions on Graphics. 23, 3, p. 750-759 10 p.

Research output: Contribution to journalConference article

Supra-threshold control of peripheral LOD

Watson, B., Walker, N. & Hodges, L. F., Dec 1 2004, p. 750-759. 10 p.

Research output: Contribution to conferencePaper

Testing the accuracy of demographic estimates in countries with generalized epidemics

Stover, J., Ghys, P. D. & Walker, N., Jan 1 2004, In : AIDS. 18, SUPPL. 2, p. S67-S73

Research output: Contribution to journalArticle

The UNAIDS Estimation and Projection Package: A software package to estimate and project national HIV epidemics

Ghys, P. D., Brown, T., Grassly, N. C., Garnett, G., Stanecki, K. A., Stover, J. & Walker, N., Aug 1 2004, In : Sexually transmitted infections. 80, SUPPL. 1, p. i5-i9

Research output: Contribution to journalReview article

The use of blood donor data for HIV surveillance purposes

Sedyaningsih-Mamahit, E., Schinaia, N., Lazzari, S., Walker, N. & Vercauteren, G., Sep 3 2004, In : AIDS. 18, 13, p. 1849-1851 3 p.

Research output: Contribution to journalReview article