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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 | 168,920 | 100.0 | 1,038 | 184,303 | 100.0 | 1,477 | 198,725 | 100.0 | 1,633 | Yes |
| Drove alone | 130,140 | 77.0 | 948 | 141,771 | 76.9 | 1,934 | 156,789 | 78.9 | 1,695 | Yes |
| 2-person Carpool | 13,280 | 7.9 | 336 | 13,979 | 7.6 | 896 | 13,026 | 6.6 | 923 | No |
| 3-or-more-person Carpool | 3,545 | 2.1 | 175 | 4,822 | 2.6 | 590 | 5,313 | 2.7 | 613 | Yes |
| Transit | 559 | 0.3 | 70 | 852 | 0.5 | 268 | 1,183 | 0.6 | 329 | Yes |
| Bike | 865 | 0.5 | 86 | 1,739 | 0.9 | 354 | 1,519 | 0.8 | 350 | Yes |
| Walked | 8,480 | 5.0 | 269 | 7,712 | 4.2 | 670 | 8,106 | 4.1 | 687 | No |
| Taxi, Motorcycle and Other means | 1,305 | 0.8 | 106 | 2,323 | 1.3 | 309 | 2,101 | 1.1 | 433 | Yes |
| Worked at Home | 10,755 | 6.4 | 303 | 11,105 | 6.0 | 697 | 10,688 | 5.4 | 682 | 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 | 150,560 | 100.0 | 999 | 159,119 | 100.0 | 1,527 | 169,959 | 100.0 | 1,565 | Yes |
| Drove alone | 118,140 | 78.5 | 914 | 126,886 | 79.7 | 1,679 | 136,509 | 80.3 | 1,801 | Yes |
| 2-person Carpool | 11,375 | 7.6 | 311 | 11,860 | 7.5 | 726 | 11,669 | 6.9 | 774 | No |
| 3-or-more-person Carpool | 3,810 | 2.5 | 181 | 3,944 | 2.5 | 503 | 4,000 | 2.4 | 490 | No |
| Transit | 539 | 0.4 | 68 | 691 | 0.4 | 204 | 760 | 0.4 | 245 | No |
| Bike | 145 | 0.1 | 35 | 409 | 0.3 | 117 | 486 | 0.3 | 162 | Yes |
| Walked | 7,615 | 5.1 | 255 | 5,798 | 3.6 | 507 | 6,218 | 3.7 | 597 | Yes |
| Taxi, Motorcycle and Other means | 580 | 0.4 | 71 | 628 | 0.4 | 228 | 881 | 0.5 | 235 | Yes |
| Worked at Home | 8,355 | 5.5 | 267 | 8,903 | 5.6 | 665 | 9,436 | 5.6 | 820 | 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
