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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 | 256,365 | 100.0 | 1,734 | 256,560 | 100.0 | 2,426 | 245,540 | 100.0 | 2,430 | Yes |
| Drove alone | 202,740 | 79.1 | 1,605 | 198,077 | 77.2 | 2,404 | 189,863 | 77.3 | 2,405 | Yes |
| 2-person Carpool | 15,490 | 6.0 | 499 | 16,397 | 6.4 | 1,223 | 15,557 | 6.3 | 1,032 | No |
| 3-or-more-person Carpool | 3,155 | 1.2 | 227 | 2,474 | 1.0 | 578 | 2,841 | 1.2 | 570 | No |
| Transit | 19,735 | 7.7 | 562 | 19,257 | 7.5 | 1,147 | 17,839 | 7.3 | 1,144 | Yes |
| Bike | 1,205 | 0.5 | 140 | 1,516 | 0.6 | 437 | 1,007 | 0.4 | 463 | No |
| Walked | 4,365 | 1.7 | 267 | 4,571 | 1.8 | 772 | 4,448 | 1.8 | 719 | No |
| Taxi, Motorcycle and Other means | 1,685 | 0.7 | 166 | 2,936 | 1.1 | 550 | 2,693 | 1.1 | 526 | Yes |
| Worked at Home | 8,005 | 3.1 | 360 | 11,332 | 4.4 | 891 | 11,292 | 4.6 | 897 | 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 | 213,005 | 100.0 | 1,633 | 213,056 | 100.0 | 2,215 | 215,372 | 100.0 | 2,690 | No |
| Drove alone | 170,820 | 80.2 | 1,506 | 170,215 | 79.9 | 2,472 | 170,419 | 79.1 | 2,588 | No |
| 2-person Carpool | 13,875 | 6.5 | 473 | 13,741 | 6.4 | 1,152 | 14,353 | 6.7 | 1,098 | No |
| 3-or-more-person Carpool | 2,875 | 1.3 | 217 | 2,498 | 1.2 | 549 | 2,902 | 1.3 | 590 | No |
| Transit | 11,510 | 5.4 | 431 | 11,062 | 5.2 | 875 | 11,186 | 5.2 | 838 | No |
| Bike | 200 | 0.1 | 57 | 373 | 0.2 | 211 | 466 | 0.2 | 233 | Yes |
| Walked | 4,110 | 1.9 | 259 | 4,393 | 2.1 | 708 | 3,513 | 1.6 | 481 | Yes |
| Taxi, Motorcycle and Other means | 1,020 | 0.5 | 129 | 1,104 | 0.5 | 344 | 1,419 | 0.7 | 369 | Yes |
| Worked at Home | 8,595 | 4.0 | 373 | 9,670 | 4.5 | 792 | 11,114 | 5.2 | 1,029 | 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
