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| Table 1a. Mode to Work by Gender 1 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Male | At Place of Residence | |||||||||
| Total Workers | 279,105 | 100.0 | 2,390 | 315,728 | 100.0 | 3,304 | 299,708 | 100.0 | 3,142 | Yes |
| Drove alone | 212,280 | 76.1 | 2,157 | 236,630 | 74.9 | 3,279 | 226,707 | 75.6 | 3,076 | Yes |
| 2-person Carpool | 30,475 | 10.9 | 888 | 32,259 | 10.2 | 1,680 | 28,291 | 9.4 | 1,752 | Yes |
| 3-or-more-person Carpool | 8,125 | 2.9 | 463 | 8,794 | 2.8 | 1,122 | 7,936 | 2.6 | 987 | No |
| Transit | 7,695 | 2.8 | 450 | 9,135 | 2.9 | 894 | 7,356 | 2.5 | 744 | No |
| Bike | 3,645 | 1.3 | 310 | 5,273 | 1.7 | 738 | 5,381 | 1.8 | 733 | Yes |
| Walked | 5,625 | 2.0 | 385 | 6,517 | 2.1 | 752 | 6,170 | 2.1 | 730 | No |
| Taxi, Motorcycle and Other means | 3,430 | 1.2 | 301 | 5,179 | 1.6 | 754 | 3,956 | 1.3 | 692 | No |
| Worked at Home | 7,835 | 2.8 | 454 | 11,941 | 3.8 | 1,020 | 13,911 | 4.6 | 1,148 | Yes |
| Table 1b. Mode to Work by Gender 1 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 257,205 | 100.0 | 2,321 | 293,617 | 100.0 | 3,328 | 289,276 | 100.0 | 3,525 | Yes |
| Drove alone | 191,850 | 74.6 | 2,071 | 222,056 | 75.6 | 3,425 | 217,134 | 75.1 | 3,226 | Yes |
| 2-person Carpool | 30,485 | 11.9 | 888 | 30,622 | 10.4 | 1,745 | 28,978 | 10.0 | 1,527 | No |
| 3-or-more-person Carpool | 7,935 | 3.1 | 457 | 6,857 | 2.3 | 807 | 6,565 | 2.3 | 750 | Yes |
| Transit | 8,520 | 3.3 | 474 | 9,363 | 3.2 | 1,014 | 9,940 | 3.4 | 957 | Yes |
| Bike | 925 | 0.4 | 157 | 1,929 | 0.7 | 420 | 1,922 | 0.7 | 374 | Yes |
| Walked | 5,375 | 2.1 | 377 | 5,824 | 2.0 | 829 | 6,471 | 2.2 | 968 | Yes |
| Taxi, Motorcycle and Other means | 1,655 | 0.6 | 209 | 2,209 | 0.8 | 443 | 2,061 | 0.7 | 434 | No |
| Worked at Home | 10,455 | 4.1 | 524 | 14,757 | 5.0 | 1,215 | 16,205 | 5.6 | 1,584 | Yes |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 Table 1-002, 2007-2009 ACS Table B08006 and 2010-2012 ACS B08006
