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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 | 150,025 | 100.0 | 1,438 | 128,079 | 100.0 | 2,836 | 90,063 | 100.0 | 2,722 | Yes |
| Drove alone | 103,890 | 69.2 | 1,231 | 92,364 | 72.1 | 2,735 | 61,457 | 68.2 | 2,039 | Yes |
| 2-person Carpool | 17,720 | 11.8 | 534 | 11,395 | 8.9 | 1,357 | 8,719 | 9.7 | 961 | Yes |
| 3-or-more-person Carpool | 7,100 | 4.7 | 340 | 3,670 | 2.9 | 751 | 3,076 | 3.4 | 589 | Yes |
| Transit | 12,589 | 8.4 | 451 | 9,672 | 7.6 | 1,160 | 8,283 | 9.2 | 722 | Yes |
| Bike | 370 | 0.2 | 78 | 831 | 0.6 | 309 | 535 | 0.6 | 198 | No |
| Walked | 4,480 | 3.0 | 270 | 5,424 | 4.2 | 915 | 3,516 | 3.9 | 551 | Yes |
| Taxi, Motorcycle and Other means | 2,080 | 1.4 | 184 | 1,841 | 1.4 | 397 | 1,858 | 2.1 | 429 | No |
| Worked at Home | 1,790 | 1.2 | 171 | 2,882 | 2.3 | 586 | 2,619 | 2.9 | 527 | 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 | 169,420 | 100.0 | 1,510 | 154,531 | 100.0 | 3,210 | 108,691 | 100.0 | 2,726 | Yes |
| Drove alone | 115,225 | 68.0 | 1,288 | 113,675 | 73.6 | 3,165 | 76,987 | 70.8 | 2,374 | Yes |
| 2-person Carpool | 22,045 | 13.0 | 594 | 13,118 | 8.5 | 1,261 | 10,605 | 9.8 | 816 | Yes |
| 3-or-more-person Carpool | 7,675 | 4.5 | 353 | 3,529 | 2.3 | 623 | 3,086 | 2.8 | 610 | Yes |
| Transit | 13,345 | 7.9 | 464 | 12,799 | 8.3 | 1,106 | 9,939 | 9.1 | 1,059 | Yes |
| Bike | 140 | 0.1 | 48 | 240 | 0.2 | 167 | 108 | 0.1 | 75 | No |
| Walked | 4,495 | 2.7 | 271 | 3,822 | 2.5 | 701 | 2,520 | 2.3 | 411 | Yes |
| Taxi, Motorcycle and Other means | 2,475 | 1.5 | 201 | 2,698 | 1.7 | 580 | 2,128 | 2.0 | 498 | No |
| Worked at Home | 4,020 | 2.4 | 256 | 4,650 | 3.0 | 699 | 3,318 | 3.1 | 479 | 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
