Researchers wanted to study the relationship between unemployment (exposure) and depression (outcome). They implemented

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Researchers wanted to study the relationship between
unemployment (exposure) and depression (outcome). They implemented
an online survey and interviewed 5,000 people who were randomly
selected from a DMV list of drivers. Of the 5000, people 500
reported to have depression. In total, 800 were unemployed (i.e.
exposed) of which 300 were also suffering from depression. Answer
following questions Q.1. Construct a 2x2 table Q2. What is the
prevalence of depression in the entire study population? Q3. What
is the prevalence of depression among unemployed people? Q4. What
is the prevalence of depression among employed people? Q5. What is
the prevalence ratio (PR) of depression for unemployed persons when
compared to employed persons? Q6. What proportion of the entire
study population is unemployed? Q7. What proportion of the entire
study population is employed?