Chapter 02

For each term below, first note how you would define the term. Then, click on the arrow to reveal the book’s definition.

All-cause mortality rates

The rates of death by any cause.


The study of epidemics; the study of patterns of disease, injury, and disability and their risk factors and causes; the science dealing with the incidence, distribution, and control of disease in a population.

Longitudinal studies

Studies with designs that allow researchers to monitor changes in behavior across a relatively long period of time (i.e., years) in the same group of people.




Describes a chronic (long-term) pattern of inactivity.