A group of 1440 students was surveyed in October 2018 about their sleeping patterns and consumption of caffeinated beverages. Of the 1440 students asked, 834 said they had trouble falling asleep at night, but the rest did not. Of the 834 who said they had trouble sleeping at night, 640 drank some type of caffeinated beverage after 2 pm most days. Of those who reported no trouble falling asleep at night, 108 said they drank some type of caffeinated beverage after 2 pm most days.
What type of study and why? Prospective Cohort, or Retrospective Cohort,?
Epidemiologists are public health workers. They investigate each and every statistical pattern and cause of contemporary diseases. Their vision is to reduce the risky factors of negative health outcomes through an epidemiological study design.
The study deals with the aspects like scientific, data-driven, causes, systematic, descriptive, or analytical research, and related states in specified populations. They use to design the studies like case-control, cohort, and cross-sectional.
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