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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 | 192,185 | 100.0 | 1,927 | 194,859 | 100.0 | 2,365 | 191,107 | 100.0 | 1,940 | No |
| Drove alone | 143,105 | 74.5 | 1,740 | 139,653 | 71.7 | 2,909 | 137,715 | 72.1 | 2,383 | Yes |
| 2-person Carpool | 17,660 | 9.2 | 676 | 14,717 | 7.6 | 1,261 | 14,201 | 7.4 | 1,066 | Yes |
| 3-or-more-person Carpool | 4,985 | 2.6 | 362 | 5,604 | 2.9 | 1,042 | 4,053 | 2.1 | 749 | Yes |
| Transit | 12,205 | 6.4 | 564 | 14,545 | 7.5 | 1,188 | 14,853 | 7.8 | 1,287 | Yes |
| Bike | 2,515 | 1.3 | 258 | 3,486 | 1.8 | 855 | 3,555 | 1.9 | 702 | Yes |
| Walked | 3,675 | 1.9 | 311 | 5,027 | 2.6 | 763 | 4,937 | 2.6 | 876 | Yes |
| Taxi, Motorcycle and Other means | 2,170 | 1.1 | 240 | 3,061 | 1.6 | 784 | 2,596 | 1.4 | 678 | No |
| Worked at Home | 5,870 | 3.1 | 393 | 8,766 | 4.5 | 816 | 9,197 | 4.8 | 1,014 | 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 | 161,910 | 100.0 | 1,820 | 160,073 | 100.0 | 1,927 | 170,005 | 100.0 | 2,461 | Yes |
| Drove alone | 112,960 | 69.8 | 1,587 | 109,721 | 68.5 | 1,853 | 116,882 | 68.8 | 2,267 | Yes |
| 2-person Carpool | 17,595 | 10.9 | 675 | 13,835 | 8.6 | 1,166 | 16,293 | 9.6 | 1,298 | No |
| 3-or-more-person Carpool | 5,130 | 3.2 | 367 | 4,372 | 2.7 | 684 | 4,436 | 2.6 | 747 | No |
| Transit | 13,615 | 8.4 | 595 | 16,152 | 10.1 | 1,201 | 16,089 | 9.5 | 1,221 | Yes |
| Bike | 380 | 0.2 | 100 | 822 | 0.5 | 231 | 1,082 | 0.6 | 290 | Yes |
| Walked | 3,935 | 2.4 | 322 | 4,863 | 3.0 | 817 | 4,605 | 2.7 | 788 | No |
| Taxi, Motorcycle and Other means | 1,330 | 0.8 | 188 | 1,711 | 1.1 | 430 | 1,245 | 0.7 | 369 | No |
| Worked at Home | 6,975 | 4.3 | 428 | 8,597 | 5.4 | 706 | 9,373 | 5.5 | 838 | 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
