The study is described as “double blind”. What evidence was given to prove this occurred

Article- West, K. P., Jr, Katz, J., Khatry, S. K., LeClerq, S. C., Pradhan, E. K., Shrestha, S. R., Connor, P. B., Dali, S. M., Christian, P., Pokhrel, R. P., & Sommer, A. (1999). Double blind, cluster randomised trial of low dose supplementation with vitamin A or beta carotene on mortality related to pregnancy in Nepal. The NNIPS-2 Study Group. BMJ (Clinical research ed.), 318(7183), 570-575. https://doi.org/10.1136/bmj.318.7183.570

Answer the following questions

1- The study is described as “double blind”. What evidence was given to prove this occurred?

2-What were the exposure and outcome for this study and how were they described/defined?

3-What were the treatment and control groups and how were they randomized?

4-Based on the information provided in the article, did the investigators meet all their obligations to the study subjects? Why or why not? Address each one, providing specific examples.

5-Interpret the relative risk for beta carotene and mortality at 7-12 weeks post partum from Table 4.

6-What pieces of information were used to calculate the sample size needed for the study?

Collepals.com Plagiarism Free Papers

Are you looking for custom essay writing service or even dissertation writing services? Just request for our write my paper service, and we'll match you with the best essay writer in your subject! With an exceptional team of professional academic experts in a wide range of subjects, we can guarantee you an unrivaled quality of custom-written papers.

Get ZERO PLAGIARISM, HUMAN WRITTEN ESSAYS

Why Hire Collepals.com writers to do your paper?

Quality- We are experienced and have access to ample research materials.

We write plagiarism Free Content

Confidential- We never share or sell your personal information to third parties.

Support-Chat with us today! We are always waiting to answer all your questions.