(see Figure 5 in text)
Mean | SE | |
---|---|---|
All persons | 4.1 | 0.02 |
Sex | ||
Male | 4.1 | 0.02 |
Female | 4.1 | 0.02 |
Age | ||
Less than 5 years | 3.2 | 0.05 |
5-14 years | 3.5 | 0.04 |
15-19 years | 4.0 | 0.06 |
20-24 years | 4.1 | 0.07 |
25-54 years | 4.6 | 0.02 |
55-64 years | 4.1 | 0.05 |
65 years and older | 3.4 | 0.04 |
Driver status* | ||
Yes, a driver | 4.5 | 0.02 |
Not a driver | 2.6 | 0.04 |
Employment status* | ||
Employed | 4.5 | 0.02 |
Not employed | 3.7 | 0.03 |
Medical condition* | ||
Medical condition limits travel | 2.8 | 0.06 |
No medical condition limiting travel | 4.4 | 0.02 |
* Asked of persons age 15 and older.
SOURCE: The 2001 National Household Travel Survey, person file, U.S. Department of Transportation.