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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 | 89,395 | 100.0 | 1,029 | 85,475 | 100.0 | 1,901 | 85,269 | 100.0 | 1,649 | Yes |
| Drove alone | 68,905 | 77.1 | 942 | 64,258 | 75.2 | 1,922 | 62,565 | 73.4 | 1,625 | Yes |
| 2-person Carpool | 5,590 | 6.3 | 300 | 5,101 | 6.0 | 654 | 5,170 | 6.1 | 615 | No |
| 3-or-more-person Carpool | 1,500 | 1.7 | 156 | 1,295 | 1.5 | 353 | 1,374 | 1.6 | 332 | No |
| Transit | 2,699 | 3.0 | 209 | 3,136 | 3.7 | 462 | 3,760 | 4.4 | 497 | Yes |
| Bike | 1,185 | 1.3 | 139 | 1,257 | 1.5 | 272 | 2,072 | 2.4 | 427 | Yes |
| Walked | 6,165 | 6.9 | 315 | 5,528 | 6.5 | 795 | 5,459 | 6.4 | 670 | No |
| Taxi, Motorcycle and Other means | 680 | 0.8 | 105 | 768 | 0.9 | 242 | 512 | 0.6 | 168 | No |
| Worked at Home | 2,675 | 3.0 | 208 | 4,132 | 4.8 | 457 | 4,357 | 5.1 | 594 | 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 | 79,770 | 100.0 | 992 | 80,018 | 100.0 | 1,573 | 80,638 | 100.0 | 1,341 | No |
| Drove alone | 59,610 | 74.7 | 892 | 58,258 | 72.8 | 1,638 | 58,623 | 72.7 | 1,510 | No |
| 2-person Carpool | 6,100 | 7.6 | 313 | 6,218 | 7.8 | 756 | 5,756 | 7.1 | 637 | No |
| 3-or-more-person Carpool | 1,200 | 1.5 | 140 | 988 | 1.2 | 252 | 1,315 | 1.6 | 335 | No |
| Transit | 2,523 | 3.2 | 202 | 3,337 | 4.2 | 544 | 4,301 | 5.3 | 668 | Yes |
| Bike | 355 | 0.4 | 76 | 776 | 1.0 | 296 | 768 | 1.0 | 256 | Yes |
| Walked | 6,280 | 7.9 | 318 | 5,535 | 6.9 | 844 | 5,410 | 6.7 | 688 | Yes |
| Taxi, Motorcycle and Other means | 380 | 0.5 | 79 | 504 | 0.6 | 197 | 426 | 0.5 | 150 | No |
| Worked at Home | 3,320 | 4.2 | 232 | 4,402 | 5.5 | 535 | 4,039 | 5.0 | 533 | 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
