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Author Question: Which is likely the most comprehensive source of health-related data for the United States? A) ... (Read 68 times)

lbcchick

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on: Jul 8, 2018
Which is likely the most comprehensive source of health-related data for the United States?
 
  A) Census data
  B) Notifiable disease reports
  C) Surveillance data
  D) Vital statistics

Question 2

Which defines a dependent variable?
 
  A) Constant characteristic or phenomenon and the health conditions being studied
  B) Control group and comparison group of the research study
  C) Outcome or result that the investigator is studying which can change
  D) Presumed cause of or contributor to variation in the variable


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shayla

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Reply #1 on: Jul 8, 2018
Answer to Question 1

Ans: A
The census is probably the most comprehensive source of health-related data for the United States. The CDC/U.S. Public Health Service reports data collected by state and local health departments on legally reportable diseases and periodically requests voluntary reporting of nonnotifiable health conditions of special interest. Notifiable diseases are frequently referred to as reportable diseases. Surveillance data pertain to the occurrence of specific diseases, the analysis and interpretation of these data, and the dissemination of information about the data. Vital statistics are legal data; however, legality does not guarantee validity. The major deficiency of this category of data for epidemiologic research purposes is the possible incompleteness of population coverage.

Answer to Question 2

Ans: C
The dependent variable is the outcome or result that the investigator is studying. The dependent variable can change (e.g., health status, knowledge, behavior). Characteristics or phenomena and the health conditions being studied are the variables. Control groups and comparison groups are essential to ensure that associations between variables can be examined. The presumed cause of or contributor to variation in the dependent variable is the independent variable.


lbcchick

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Reply 2 on: Jul 8, 2018
Wow, this really help

duy1981999

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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