An extended survey held in 1998, 2000, and 2002 among the U.S. retired citizens highlighted that "about 90% of the trips among people older than age 65 are in a private vehicle" and that driving cessation was highly correlated (46% to 63%, Tobit regression) to a reduction in spending on non basic needs such as trips, tickets, and dinings out.
A study conducted in 1998, 2000, and 2002 among U.S. retired citizens revealed that 90% of trips taken by individuals over the age of 65 were made using private vehicles. Driving cessation was strongly correlated (46% to 63%, Tobit regression) with a reduction in spending on non-essential items like travel, entertainment, and dining out.