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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 | 194,635 | 100.0 | 1,829 | 212,857 | 100.0 | 2,076 | 208,978 | 100.0 | 2,493 | Yes |
| Drove alone | 155,965 | 80.1 | 1,690 | 168,212 | 79.0 | 2,388 | 168,025 | 80.4 | 2,467 | Yes |
| 2-person Carpool | 17,710 | 9.1 | 629 | 16,700 | 7.8 | 1,081 | 14,785 | 7.1 | 1,173 | Yes |
| 3-or-more-person Carpool | 4,240 | 2.2 | 311 | 5,245 | 2.5 | 1,078 | 3,909 | 1.9 | 633 | No |
| Transit | 4,320 | 2.2 | 313 | 7,226 | 3.4 | 979 | 5,416 | 2.6 | 672 | Yes |
| Bike | 665 | 0.3 | 123 | 1,337 | 0.6 | 444 | 728 | 0.3 | 234 | No |
| Walked | 5,065 | 2.6 | 339 | 5,302 | 2.5 | 678 | 4,994 | 2.4 | 852 | No |
| Taxi, Motorcycle and Other means | 1,805 | 0.9 | 203 | 2,727 | 1.3 | 605 | 2,622 | 1.3 | 473 | Yes |
| Worked at Home | 4,875 | 2.5 | 333 | 6,108 | 2.9 | 627 | 8,499 | 4.1 | 820 | 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 | 178,435 | 100.0 | 1,775 | 199,161 | 100.0 | 2,347 | 204,752 | 100.0 | 2,453 | Yes |
| Drove alone | 139,450 | 78.2 | 1,619 | 159,820 | 80.2 | 2,793 | 166,480 | 81.3 | 2,538 | Yes |
| 2-person Carpool | 16,470 | 9.2 | 607 | 15,189 | 7.6 | 1,178 | 14,036 | 6.9 | 1,051 | Yes |
| 3-or-more-person Carpool | 4,570 | 2.6 | 322 | 3,721 | 1.9 | 577 | 3,961 | 1.9 | 636 | No |
| Transit | 5,979 | 3.4 | 368 | 7,153 | 3.6 | 975 | 6,905 | 3.4 | 839 | Yes |
| Bike | 185 | 0.1 | 65 | 139 | 0.1 | 79 | 239 | 0.1 | 135 | No |
| Walked | 4,570 | 2.6 | 322 | 4,598 | 2.3 | 697 | 4,284 | 2.1 | 611 | No |
| Taxi, Motorcycle and Other means | 980 | 0.5 | 150 | 1,657 | 0.8 | 419 | 1,271 | 0.6 | 396 | No |
| Worked at Home | 6,215 | 3.5 | 375 | 6,884 | 3.5 | 626 | 7,576 | 3.7 | 754 | 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
