You need to log-in or subscribe in order to use Student access.

Prevalence of health problems

Why do health behaviors change over time? When we discuss how common a problem is, we refer to its prevalence. Prevalence signifies what proportion of a certain population engages in a certain behavior. As speaking about prevalence generally would be too broad of a topic, we will concentrate on the prevalence of smoking and obesity because both are commonly studied health problems. For instance, the current prevalence...

To access the entire contents of this site, you need to log in or subscribe to it.

Alternatively, you can request a one month free trial.