State the research question of this article including the population, exposure or intervention, comparison and outcome .

• Naomi
• March 3, 2022

1. Provide a description, in your own words, of the study background and rationale.
2.  State the research question of this article including the population, exposure or intervention, comparison and outcome .
3.  Describe the study design used in the paper
4.  Describe all sampling methods used in the paper. “Sampling” web source (http://www.socialresearchmethods.net/kb/sampling.php