Some lurking variables in the influenza study: age, health status, or mobility of the senior Even after accounting for potential lurking variables, the authors of the study concluded that getting an...

Some lurking variables in the influenza study:

age, health status, or mobility of the senior

Even after accounting for potential lurking variables, the authors of the study concluded that getting an influenza shot is
associated
with a lower risk of being hospitalized or dying from influenza.