In Prospective Cohort Studies, Why Is Loss to Follow‐up a Source

question 3

Multiple Choice

In prospective cohort studies, why is loss to follow‐up a source of selection bias?

• A)The study will no longer be representative of the general population
• B)It reduces the size of the study sample
• C)Those lost to follow‐up may have different characteristics to those who remain in the study
• D)Those who are lost to follow‐up may recall things differently from those who remain in the study
• E)There is more likely to be ascertainment bias when measuring outcomes in those who remain in the study

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Definitions:

Chronic Illness

A long-term health condition that requires ongoing management and may not have a cure, often affecting an individual's lifestyle and well-being.

Reminiscence Therapy

A therapy that encourages individuals, often older adults, to recall and share memories as a part of psychological healing or comfort.

Chronic Illness

A long-lasting condition that can be controlled but not cured, often requiring ongoing medical attention and affecting daily living.

Daily Journal

A personal record kept on a daily basis in which one documents their experiences, thoughts, and feelings, often used for self-reflection or memory keeping.