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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 | 224,410 | 100.0 | 1,661 | 245,997 | 100.0 | 2,347 | 245,652 | 100.0 | 2,258 | Yes |
| Drove alone | 164,155 | 73.1 | 1,483 | 177,929 | 72.3 | 2,641 | 181,783 | 74.0 | 2,590 | Yes |
| 2-person Carpool | 20,465 | 9.1 | 572 | 20,727 | 8.4 | 1,370 | 20,702 | 8.4 | 1,323 | No |
| 3-or-more-person Carpool | 5,660 | 2.5 | 303 | 6,619 | 2.7 | 867 | 5,735 | 2.3 | 607 | No |
| Transit | 1,485 | 0.7 | 156 | 2,649 | 1.1 | 570 | 2,174 | 0.9 | 442 | Yes |
| Bike | 3,000 | 1.3 | 221 | 4,708 | 1.9 | 733 | 4,066 | 1.7 | 647 | Yes |
| Walked | 13,120 | 5.8 | 460 | 13,230 | 5.4 | 1,206 | 12,591 | 5.1 | 888 | No |
| Taxi, Motorcycle and Other means | 2,295 | 1.0 | 194 | 4,016 | 1.6 | 588 | 3,340 | 1.4 | 453 | Yes |
| Worked at Home | 14,230 | 6.3 | 479 | 16,119 | 6.6 | 1,178 | 15,261 | 6.2 | 919 | No |
| 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 | 197,750 | 100.0 | 1,590 | 219,055 | 100.0 | 2,273 | 221,713 | 100.0 | 2,320 | Yes |
| Drove alone | 147,720 | 74.7 | 1,422 | 166,930 | 76.2 | 2,521 | 170,609 | 77.0 | 2,411 | Yes |
| 2-person Carpool | 18,385 | 9.3 | 543 | 16,746 | 7.6 | 1,255 | 17,842 | 8.0 | 1,173 | No |
| 3-or-more-person Carpool | 5,685 | 2.9 | 304 | 4,456 | 2.0 | 539 | 4,317 | 1.9 | 577 | Yes |
| Transit | 1,164 | 0.6 | 138 | 2,347 | 1.1 | 402 | 1,830 | 0.8 | 364 | Yes |
| Bike | 1,050 | 0.5 | 131 | 2,455 | 1.1 | 485 | 2,259 | 1.0 | 331 | Yes |
| Walked | 10,215 | 5.2 | 407 | 10,800 | 4.9 | 858 | 9,599 | 4.3 | 853 | No |
| Taxi, Motorcycle and Other means | 855 | 0.4 | 118 | 1,354 | 0.6 | 268 | 1,311 | 0.6 | 275 | Yes |
| Worked at Home | 12,680 | 6.4 | 452 | 13,967 | 6.4 | 1,243 | 13,946 | 6.3 | 856 | 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
