Comparison of Crude Rates of Two or More Populations in the Same

question 20

Multiple Choice

Comparison of crude rates of two or more populations in the same period or in the same population in different time periods can be misleading because:

• A) Individuals are not equally distributed across various age groups in any population.
• B) The nature of diseases is unknown and may not be predictable
• C) Individuals frequently move to new locations and therefore they are difficult to track
• D) The risk of death, or disease is strongly associated with age and is not equally distributed across all age groups in any population

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Definitions:

Immunization

The process by which an individual's immune system becomes fortified against an agent known as an antigen.

Susceptibility

The likelihood or tendency to be affected by a particular condition or event.

Infections

The invasion and multiplication of pathogenic microorganisms in the body, leading to diseases or illnesses.

Personal Identity

The conception of oneself comprising characteristics, experiences, and various personal attributes that are perceived as 'me' by an individual.