TABLE 2—
Comparison of Weighted Median Walk Times and Weighted Percentage of People Who Walked 30 Minutes or More to and From Transit per Day: United States, 2001 and 2009 National Household Travel Survey
| Walk Time,a Minutes |
Walked ≥ 30 Minutes/Daya |
|||||
| Variable | 2001 (n = 4419), Median (95% CI) | 2009 (n = 4195), Median (95% CI) | P | 2001 (n = 4419), % (95% CI) | 2009 (n = 4195), % (95% CI) | P |
| Household income, $ | ||||||
| < 15 000 | 23.1 (17.9, 28.3) | 24.6 (21.9, 27.3) | .61 | 40.2 (35.2, 45.4) | 43.1 (36.3, 50.2) | .12 |
| 15 000–34 999 | 20.0 (18.3, 21.6) | 18.4 (15.6, 27.3) | .27 | 35.5 (30.4, 41.1) | 34.5 (25.9, 44.2) | .85 |
| 35 000–69 999 | 17.6 (15.9, 19.2) | 19.6 (18.4, 20.8) | .05 | 27.1 (21.8, 33.0) | 35.4 (28.3, 43.3) | .08 |
| 70 000–99 999 | 18.0 (12.9, 23.1) | 19.4 (18.1, 20.6) | .6 | 28.7 (21.3, 37.3) | 33.9 (24.8, 44.5) | .42 |
| ≥ 100 000 | 19.2 (18.7, 19.8) | 15.9 (12.7, 19.1) | .05 | 28.8 (22.6, 35.8) | 28.2 (23.3, 33.7) | .89 |
| Age, y | ||||||
| 18–29 | 19.3 (18.7, 20.0) | 19.5 (18.8, 20.2) | .85 | 32.2 (27.8, 36.8) | 36.0 (29.4, 43.1) | .36 |
| 30–39 | 19.7 (19.0, 20.4) | 19.4 (18.1, 21.2) | .68 | 30.2 (25.2, 35.8) | 32.2 (26.2, 38.8) | .63 |
| 40–49 | 19.7 (18.8, 20.6) | 20.4 (17.9, 22.9) | .6 | 34.6 (29.4, 40.1) | 39.6 (33.7, 45.9) | .22 |
| ≥ 50 | 21.0 (17.7, 24.3) | 19.3 (18.3, 20.2) | .32 | 35.2 (30.4, 40.3) | 34.0 (29.5, 38.7) | .72 |
| Education | ||||||
| < high school degree | 23.1 (12.5, 35.4) | 23.2 (15.5, 20.2) | .99 | 40.4 (33.6, 47.7) | 41.3 (33.6, 49.4) | .87 |
| High school degree | 19.9 (19.1, 20.7) | 19.8 (18.0, 21.6) | .92 | 34.1 (28.8, 39.7) | 37.5 (30.7, 44.8) | .45 |
| Some college | 19.5 (18.7, 20.2) | 17.6 (7.6, 27.7) | .71 | 31.6 (26.6, 37.1) | 30.6 (24.6, 37.3) | .81 |
| Undergraduateb | 18.2 (11.7, 24.6) | 19.4 (18.2, 20.5) | .72 | 27.7 (22.5, 33.6) | 35.1 (28.9, 41.9) | .09 |
| Graduateb | 16.2 (9.5, 23.0) | 19.3 (16.6, 22.1) | .4 | 29.3 (24.0, 35.2) | 33.1 (22.8, 45.4) | .56 |
| Race/ethnicity | ||||||
| White | 15.8 (14.7, 16.9) | 17.7 (11.9, 23.6) | .53 | 22.2 (19.1, 25.8) | 30.4 (26.1, 35.1) | .004 |
| African American | 21.4 (19.5, 23.4) | 19.9 (16.7, 23.1) | .43 | 37.6 (33.0, 42.3) | 40.0 (33.4, 47.0) | .57 |
| Asian/Pacific Islander | 24.4 (21.5, 27.4) | 23.1 (3.7, 42.5) | .9 | 42.8 (32.9, 53.3) | 44.6 (35.3, 54.2) | .8 |
| Hispanic | 23.2 (16.6, 29.8) | 21.5 (18.9, 24.0) | .63 | 40.7 (34.5, 47.3) | 36.3 (30.4, 42.7) | .33 |
| Otherc | 28.9 (21.9, 36.0) | 16.2 (3.3, 29.0) | .09 | 48.5 (29.0, 68.5) | 35.8 (18.2, 58.3) | .4 |
| Gender | ||||||
| Male | 19.6 (19.1, 20.0) | 19.0 (16.5, 21.5) | .63 | 30.6 (27.5, 33.8) | 34.8 (29.9, 40.0) | .17 |
| Female | 19.7 (19.1, 20.4) | 19.8 (19.0, 20.6) | .85 | 34.6 (31.3, 38.1) | 35.6 (31.4, 39.9) | .72 |
| Household-owned car | ||||||
| No car | 22.9 (19.2,26.6) | 22.4 (18.6, 26.3) | .85 | 39.5 (35.4, 43.8) | 38.8 (32.6, 45.3) | .86 |
| ≥ 1 car | 18.4 (16.0, 20.7) | 17.5 (14.9, 20.1) | .61 | 27.8 (24.5, 31.4) | 32.6 (28.6, 36.9) | .08 |
| Worker | ||||||
| Yes | 19.8 (19.3, 20.2) | 19.3 (18.7, 20.0) | .23 | 33.3 (30.5, 36.2) | 34.0 (30.4, 37.9) | .77 |
| No | 19.1 (17.7, 20.5) | 19.9 (16.6, 23.3) | .66 | 31.5 (26.9, 36.5) | 37.7 (31.7, 44.1) | .12 |
Note. CI = confidence interval.
a
Testing significant difference between 2001 and 2009 values for each category of the variables using T test.
b
Completed courses or obtained degree in specified level of education.
c
Native Americans, Alaskan natives, and mixed races/ethnicities (White and African American, White and Asian).