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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 | 220,215 | 100.0 | 1,638 | 212,989 | 100.0 | 2,700 | 210,051 | 100.0 | 2,438 | Yes |
| Drove alone | 177,865 | 80.8 | 1,520 | 173,774 | 81.6 | 2,940 | 171,891 | 81.8 | 3,066 | Yes |
| 2-person Carpool | 20,710 | 9.4 | 575 | 17,439 | 8.2 | 1,272 | 15,573 | 7.4 | 1,338 | Yes |
| 3-or-more-person Carpool | 6,005 | 2.7 | 312 | 4,810 | 2.3 | 730 | 4,689 | 2.2 | 981 | Yes |
| Transit | 4,625 | 2.1 | 274 | 3,221 | 1.5 | 680 | 4,065 | 1.9 | 584 | No |
| Bike | 710 | 0.3 | 108 | 1,009 | 0.5 | 310 | 1,552 | 0.7 | 359 | Yes |
| Walked | 4,380 | 2.0 | 267 | 4,799 | 2.3 | 695 | 4,868 | 2.3 | 694 | No |
| Taxi, Motorcycle and Other means | 1,500 | 0.7 | 157 | 2,068 | 1.0 | 448 | 2,087 | 1.0 | 540 | Yes |
| Worked at Home | 4,430 | 2.0 | 269 | 5,869 | 2.8 | 755 | 5,326 | 2.5 | 653 | 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 | 204,380 | 100.0 | 1,597 | 202,922 | 100.0 | 2,540 | 201,891 | 100.0 | 2,493 | No |
| Drove alone | 163,320 | 79.9 | 1,472 | 167,940 | 82.8 | 2,371 | 166,244 | 82.3 | 2,526 | Yes |
| 2-person Carpool | 20,355 | 10.0 | 570 | 16,239 | 8.0 | 1,105 | 16,546 | 8.2 | 1,300 | Yes |
| 3-or-more-person Carpool | 4,605 | 2.3 | 274 | 3,460 | 1.7 | 593 | 3,239 | 1.6 | 627 | Yes |
| Transit | 4,655 | 2.3 | 275 | 4,271 | 2.1 | 579 | 4,105 | 2.0 | 594 | No |
| Bike | 160 | 0.1 | 51 | 331 | 0.2 | 189 | 239 | 0.1 | 96 | No |
| Walked | 3,890 | 1.9 | 252 | 3,765 | 1.9 | 656 | 3,571 | 1.8 | 572 | No |
| Taxi, Motorcycle and Other means | 1,204 | 0.6 | 140 | 1,124 | 0.6 | 299 | 1,133 | 0.6 | 354 | No |
| Worked at Home | 6,195 | 3.0 | 317 | 5,792 | 2.9 | 785 | 6,814 | 3.4 | 613 | No |
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
