Define the significant terms in biostatistics.
1. (a) describe what is the study hypothesis?
(b) describe what are the outcome variables and how were they measured?
(c) describe what are the study factors (exposures) and how were they measured?
2. (a) describe what is the participation rate in this study? Discuss its implications.
(b) describe what are the response rates in this study? Discuss their implications
3. describe could information biases have affected the results in any way? Why or why not? Do the authors discuss this possibility adequately?