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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 | 196,480 | 100.0 | 1,821 | 209,196 | 100.0 | 1,810 | 206,695 | 100.0 | 2,032 | Yes |
| Drove alone | 144,555 | 73.6 | 1,634 | 148,621 | 71.0 | 2,545 | 146,459 | 70.9 | 2,540 | No |
| 2-person Carpool | 15,350 | 7.8 | 586 | 13,228 | 6.3 | 1,242 | 12,956 | 6.3 | 1,032 | Yes |
| 3-or-more-person Carpool | 6,380 | 3.2 | 380 | 5,548 | 2.7 | 914 | 5,685 | 2.8 | 687 | No |
| Transit | 18,765 | 9.6 | 647 | 23,226 | 11.1 | 1,453 | 23,449 | 11.3 | 1,177 | Yes |
| Bike | 840 | 0.4 | 139 | 712 | 0.3 | 346 | 1,339 | 0.6 | 426 | Yes |
| Walked | 5,010 | 2.5 | 337 | 8,240 | 3.9 | 1,168 | 6,622 | 3.2 | 863 | Yes |
| Taxi, Motorcycle and Other means | 1,685 | 0.9 | 196 | 2,261 | 1.1 | 658 | 3,475 | 1.7 | 624 | Yes |
| Worked at Home | 3,905 | 2.0 | 298 | 7,360 | 3.5 | 845 | 6,710 | 3.2 | 743 | 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 | 166,695 | 100.0 | 1,722 | 170,405 | 100.0 | 1,987 | 179,314 | 100.0 | 2,223 | Yes |
| Drove alone | 125,700 | 75.4 | 1,547 | 129,596 | 76.1 | 2,323 | 135,014 | 75.3 | 2,627 | Yes |
| 2-person Carpool | 13,875 | 8.3 | 558 | 11,337 | 6.7 | 1,016 | 11,651 | 6.5 | 901 | Yes |
| 3-or-more-person Carpool | 4,805 | 2.9 | 330 | 3,369 | 2.0 | 605 | 4,780 | 2.7 | 659 | No |
| Transit | 11,650 | 7.0 | 512 | 13,456 | 7.9 | 991 | 13,761 | 7.7 | 1,034 | Yes |
| Bike | 95 | 0.1 | 47 | 159 | 0.1 | 130 | 250 | 0.1 | 136 | Yes |
| Walked | 5,105 | 3.1 | 340 | 5,115 | 3.0 | 667 | 4,839 | 2.7 | 692 | No |
| Taxi, Motorcycle and Other means | 1,680 | 1.0 | 196 | 1,740 | 1.0 | 456 | 2,593 | 1.4 | 394 | Yes |
| Worked at Home | 3,785 | 2.3 | 293 | 5,633 | 3.3 | 762 | 6,426 | 3.6 | 727 | 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
