Cohort Studies Flashcards

0
Q

What do all studies involved?

A

All studies involve some descriptive or analytic comparison of exposure and disease status.

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1
Q

What are the three basic types of observational analytical study designs?

A

The three basic types of observational analytical study designs are, cohort studies, case-control studies, and cross-sectional studies.

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2
Q

What do analytical study design options include?

A

Analytical study design options include,observational or interventional

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3
Q

What can specific epidemiological study designs reveal?

A

They can reveal relationships between things.

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4
Q

How could specific epidemiological study designs reveal relationships between things?

A

First, they determine whether there is an association between a factor and the development of a disease. Second, using those associations they derive inferences regarding a possible relationship.

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5
Q

What do and analytical studies use or base their information on to collect data?

A

They use control and experimental groups, randomized groups, and dependent and independent factors.

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6
Q

In analytical studies is data collected with or without a bias?

A

In analytical studies data is collected without a bias.

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7
Q

What is the cohort effect?

A

The cohort effect is changes and variation in the disease or health status of a population being studied in overtime.

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8
Q

What are the three types of cohort studies?

A

Prospective [concurrent], retrospective [historical], and restricted [restricted exposures] are the three types of cohort studies.

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9
Q

What are the two basic ways of selecting cohort groups?

A

The two basic ways of selecting cohort groups are, selecting a defined population before infection, or selecting a cohort on the basis of a certain factor.

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10
Q

What is a major problem with a prospective cohort study?

A

A prospective cohort study must be followed up for a very long period of time.

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11
Q

What are the three steps of the hypothetical cohort study approach?

A

One. Exhibit people over their lifetime for contraction of diseases, also asked questions concerning lifestyle. Two.take blood and do lab tests [as ready as possible] Three. Do the same tests every year for a period of years.

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12
Q

What are the five potential biases in cohort studies?

A

Information bias, bias in estimation of the outcome, bias from non response, bias from losses to follow up, and analytic bias are the five potential biases of cohort studies.

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13
Q

What is a cohort group?

A

A cohort group is a group of individuals that all share something in common.

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