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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 | 70,425 | 100.0 | 929 | 63,214 | 100.0 | 1,385 | 62,771 | 100.0 | 1,299 | Yes |
| Drove alone | 56,005 | 79.5 | 856 | 47,787 | 75.6 | 1,266 | 46,997 | 74.9 | 1,294 | Yes |
| 2-person Carpool | 5,730 | 8.1 | 303 | 4,725 | 7.5 | 603 | 4,426 | 7.1 | 508 | Yes |
| 3-or-more-person Carpool | 1,285 | 1.8 | 145 | 965 | 1.5 | 245 | 1,080 | 1.7 | 293 | No |
| Transit | 1,309 | 1.9 | 146 | 1,871 | 3.0 | 394 | 2,082 | 3.3 | 469 | Yes |
| Bike | 780 | 1.1 | 113 | 1,070 | 1.7 | 268 | 1,630 | 2.6 | 345 | Yes |
| Walked | 3,395 | 4.8 | 234 | 4,154 | 6.6 | 558 | 3,562 | 5.7 | 496 | No |
| Taxi, Motorcycle and Other means | 250 | 0.4 | 64 | 733 | 1.2 | 246 | 541 | 0.9 | 185 | Yes |
| Worked at Home | 1,675 | 2.4 | 165 | 1,909 | 3.0 | 409 | 2,453 | 3.9 | 438 | 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 | 68,835 | 100.0 | 922 | 67,103 | 100.0 | 1,535 | 63,157 | 100.0 | 1,248 | Yes |
| Drove alone | 53,665 | 78.0 | 842 | 52,543 | 78.3 | 1,428 | 49,100 | 77.7 | 1,288 | Yes |
| 2-person Carpool | 5,510 | 8.0 | 297 | 4,167 | 6.2 | 530 | 4,495 | 7.1 | 610 | Yes |
| 3-or-more-person Carpool | 1,120 | 1.6 | 135 | 795 | 1.2 | 196 | 749 | 1.2 | 208 | Yes |
| Transit | 1,645 | 2.4 | 164 | 2,025 | 3.0 | 423 | 1,720 | 2.7 | 363 | No |
| Bike | 300 | 0.4 | 70 | 863 | 1.3 | 259 | 704 | 1.1 | 287 | Yes |
| Walked | 3,845 | 5.6 | 249 | 4,198 | 6.3 | 667 | 3,337 | 5.3 | 484 | No |
| Taxi, Motorcycle and Other means | 265 | 0.4 | 66 | 388 | 0.6 | 170 | 259 | 0.4 | 129 | No |
| Worked at Home | 2,485 | 3.6 | 201 | 2,124 | 3.2 | 336 | 2,793 | 4.4 | 445 | 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
