Roberto Rivera

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BACKGROUND This study assesses the net benefit and the cost-effectiveness of the Coordinated Approach to Child Health (CATCH) intervention program, using parameter estimates from the El Paso trial. There were two standard economic measures used. First, from a societal perspective on costs, cost-effectiveness ratios (CER) were estimated, revealing the(More)
(WHO) issued new guidance in 2004 on how to use certain contraceptives safely and effectively, including the following: • A woman who misses combined oral contraceptive pills should take a hormonal pill as soon as possible and then continue taking one pill each day. This basic guidance applies no matter how many hormonal pills a woman misses. Only if a(More)
The main objective of this study was to identify potential usability problems, interaction differences, advantages, and disadvantages of two versions of a nursing documentation system: PDA and Tablet PC. A comparative study of tasks completion was made between these systems. The dependent variables of this study were tasks completion time, number of tasks(More)
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