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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 | 401,350 | 100.0 | 2,581 | 406,078 | 100.0 | 3,069 | 409,737 | 100.0 | 3,091 | Yes |
| Drove alone | 296,240 | 73.8 | 2,325 | 286,708 | 70.6 | 3,158 | 290,924 | 71.0 | 3,301 | Yes |
| 2-person Carpool | 25,845 | 6.4 | 762 | 25,764 | 6.3 | 1,532 | 24,714 | 6.0 | 1,583 | No |
| 3-or-more-person Carpool | 4,790 | 1.2 | 330 | 6,137 | 1.5 | 850 | 5,534 | 1.4 | 847 | No |
| Transit | 37,390 | 9.3 | 913 | 40,421 | 10.0 | 2,007 | 40,694 | 9.9 | 2,012 | Yes |
| Bike | 3,935 | 1.0 | 300 | 7,403 | 1.8 | 1,097 | 6,796 | 1.7 | 656 | Yes |
| Walked | 16,905 | 4.2 | 618 | 17,798 | 4.4 | 1,408 | 18,502 | 4.5 | 1,452 | Yes |
| Taxi, Motorcycle and Other means | 3,250 | 0.8 | 272 | 4,037 | 1.0 | 558 | 3,844 | 0.9 | 596 | No |
| Worked at Home | 12,990 | 3.2 | 543 | 17,810 | 4.4 | 1,150 | 18,729 | 4.6 | 1,096 | 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? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 362,285 | 100.0 | 2,497 | 370,200 | 100.0 | 3,524 | 378,289 | 100.0 | 3,440 | Yes |
| Drove alone | 254,210 | 70.2 | 2,192 | 254,096 | 68.6 | 3,343 | 258,937 | 68.4 | 3,445 | Yes |
| 2-person Carpool | 26,640 | 7.4 | 773 | 24,941 | 6.7 | 1,367 | 27,628 | 7.3 | 1,720 | No |
| 3-or-more-person Carpool | 5,160 | 1.4 | 343 | 6,102 | 1.6 | 786 | 5,476 | 1.4 | 726 | No |
| Transit | 39,995 | 11.0 | 943 | 42,739 | 11.5 | 2,119 | 42,005 | 11.1 | 1,600 | Yes |
| Bike | 1,235 | 0.3 | 168 | 2,790 | 0.8 | 499 | 3,068 | 0.8 | 556 | Yes |
| Walked | 18,070 | 5.0 | 639 | 18,326 | 5.0 | 1,273 | 19,545 | 5.2 | 1,291 | Yes |
| Taxi, Motorcycle and Other means | 2,245 | 0.6 | 226 | 2,401 | 0.6 | 482 | 3,123 | 0.8 | 610 | Yes |
| Worked at Home | 14,740 | 4.1 | 578 | 18,805 | 5.1 | 1,320 | 18,507 | 4.9 | 903 | 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
