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@Ohuma
Member since December, 2010
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Ohuma 

I offer statistical support in a wide range of research fields. These include expertise on protocol development, research study designs, sample size calculations, data management, data analysis using various statistical softwares (i.e. STATA, R & SPSS), statistical interpretation and scientific/medical report writing.
$40 USD/hr
17 reviews
5.7
  • 60%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 4%Repeat Hire Rate

Recent Reviews

Experience

Statistician

May 2006 - Aug 2010 (4 years)

OfferIing statistical support in a wide range of research fields. These include expertise on protocol development, research study designs, sample size calculations, data management, data analysis using various statistical softwares (i.e. STATA, R & SPSS), statistical interpretation and scientific/medical report writing.

Education

Masters of Science in medical statistics

2008 - 2009 (1 year)

Bachelor of Scinece in Applied Statistics

2000 - 2005 (5 years)

Certifications

DLSHTM (2009)

LSHTM

Certified Statistician

Publications

Evaluation of a measles vaccine campaign by oral-fluid surveys in a rural Kenyan district: interpretation of antibody prevalence data using mixture models

We evaluated the effectiveness of a measles vaccine campaign in rural Kenya, based on oral-fluid surveys and mixture-modelling analysis. Specimens were collected from 886 children aged 9 months to 14 years pre-campaign and from a comparison sample of 598 children aged 6 months post-campaign. Quantitative measles-specific antibody data were obtained by commercial kit. The estimated proportions of measles-specific antibody negative in children aged 0-4, 5-9 and 10-14 years were 51%, 42% and 27%, respectively,

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