Richard Hayes

Using Tree Rewiring to Study “Edge ” Organisations for C2 (2010)

Dr. Anthony, H. Dekker, David Alberts, Richard Hayes

Abstract. In recent times, there has been considerable interest in the potential advantages of decentralised “Edge” organisations. In order to investigate the potential costs and benefits of such...

Using Tree Rewiring to Study “Edge ” Organisations for C2 (2010)

Dr. Anthony, H. Dekker, David Alberts, Richard Hayes

Abstract. In recent times, there has been considerable interest in the potential advantages of decentralised “Edge” organisations. In order to investigate the potential costs and benefits of such...

Microbicides Development Programme: design of a phase III trial to measure the efficacy of the vaginal microbicide PRO 2000/5 for HIV prevention (2009)

Nunn, Andrew, McCormack, Sheena, Crook, Angela M, Pool, Robert, Rutterford, Clare, Hayes, Richard

Abstract Background With 2.5 million new HIV infections per year, effective preventive methods against HIV are urgently needed, especially in sub-Saharan Africa. MDP301 is an ongoing trial of the...

Evaluation of community level interventions to address social and structural determinants of health: a cluster randomised controlled trial (2009)

Wall, Martin, Hayes, Richard, Moore, Derek, Petticrew, Mark, Clow, Angela, Schmidt, Elena, ...

Abstract Background In London and the rest of the UK, diseases associated with poor diet, inadequate physical activity and mental illness account for a large proportion of area based health...

The Local Broadband Imperative: Appropriate high-speed Internet access for Australia (2008)

Professor Joshua Gans, The Thanks Shane Greenstein, Jerry Hausman, Richard Hayes, Stephen King, Andrew Leigh

The views expressed in this paper are solely those of the author and should not be attributed to CEDA. CEDA’s objective in publishing this paper is to encourage constructive discussion on matters...

A model for community representation and participation in HIV prevention trials among women who engage in transactional sex in Africa (2008)

Shagi, Charles, Vallely, Andrew, Kasindi, Stella, Chiduo, Betty, Desmond, Nicola, Soteli, Selephina, ...

Actively engaging communities in effective partnerships for the design and implementation of HIV prevention research is vital to the successful conduct of ethically robust, locally-appropriate...

The effects of alternative study designs on the power of community randomized trials: evidence from three studies of human immunodeficiency virus prevention in East Africa (2003)

Todd, Jim, Carpenter, Lucy, Li, Xianbin, Nakiyingi, Jessica, Gray, Ron, Hayes, Richard

Background Randomized intervention trials in which the community is the unit of randomization are increasingly being used to evaluate the impact of public health interventions. In the design of...

Methods for the analysis of incidence rates in cluster randomized trials (2002)

Bennett, Steve, Parpia, Tamiza, Hayes, Richard, Cousens, Simon

Background The published literature on cluster randomized trials focuses on outcomes that are either continuous or binary. In many trials, the outcome is an incidence rate, such as mortality, based...

The Sam Loyd 15-Puzzle (2001)

Hayes, Richard

This report presents an approach to solve Sam Loyd’s famous 15-puzzle. The 15 or sliding puzzle is traditionally represented as a 4 * 4 board with tiles numbered from 1 to 15 arranged in numerical...

Excess Incidence of Squamous Cell Esophageal Cancer among US Black Men: Role of Social Class and Other Risk Factors (2001)

Morris Brown, Linda, Hoover, Robert, Silverman, Debra, Baris, Dalsu, Hayes, Richard, Swanson, G. Marie, ...

Data from a population-based case-control study were used to evaluate the relation between social class factors and squamous cell esophageal cancer and the extent to which alcohol, tobacco, diet, and...

Risk Factors for Human Immunodeficiency Virus Infection in 581 Intravenous Drug Users, Northeast Italy, 1984-1988 (1991)

THE AIDS AND RELATED SYNDROMES STUDY GROUP,, SERRAINO, DIEGO, FRANCESCHI, SILVIA, VACCHER, EMANUELA, DIODATO, SILVANA, SANTINI, GIAN FRANCO, ...

Prevalence and risk factors for human immunodeficiency (HIV) virus infection were assessed in 581 heterosexual intravenous drug users (IVDUs), recruited from eight public drug assistance centres in...

Measuring Malnutrition in Famines: Are Weight-for-Height and Arm Circumference Interchangeable? (1990)

ROSS, DAVID A, TAYLOR, NIGEL, HAYES, RICHARD, MCLEAN, MALCOLM

Ross D A (London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK), Taylor N, Hayes R and McLean M. Measuring malnutrition in famines: Are weight-for-height and arm...