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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 | 1,025,150 | 100.0 | 3,594 | 1,070,051 | 100.0 | 6,302 | 1,035,955 | 100.0 | 6,185 | Yes |
| Drove alone | 851,195 | 83.0 | 3,357 | 881,797 | 82.4 | 6,860 | 864,858 | 83.5 | 5,873 | Yes |
| 2-person Carpool | 98,160 | 9.6 | 1,254 | 94,955 | 8.9 | 3,206 | 81,745 | 7.9 | 3,011 | Yes |
| 3-or-more-person Carpool | 28,865 | 2.8 | 685 | 32,080 | 3.0 | 2,025 | 29,981 | 2.9 | 2,246 | No |
| Transit | 3,200 | 0.3 | 229 | 4,304 | 0.4 | 619 | 3,766 | 0.4 | 625 | No |
| Bike | 1,105 | 0.1 | 134 | 2,058 | 0.2 | 466 | 1,661 | 0.2 | 361 | Yes |
| Walked | 14,525 | 1.4 | 487 | 15,706 | 1.5 | 1,656 | 13,687 | 1.3 | 999 | No |
| Taxi, Motorcycle and Other means | 10,050 | 1.0 | 405 | 13,820 | 1.3 | 1,062 | 11,667 | 1.1 | 912 | Yes |
| Worked at Home | 18,045 | 1.8 | 542 | 25,331 | 2.4 | 1,714 | 28,590 | 2.8 | 1,868 | 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 | 874,940 | 100.0 | 3,392 | 931,393 | 100.0 | 5,713 | 928,918 | 100.0 | 6,522 | Yes |
| Drove alone | 725,690 | 82.9 | 3,153 | 790,323 | 84.9 | 5,836 | 801,866 | 86.3 | 6,670 | Yes |
| 2-person Carpool | 84,040 | 9.6 | 1,162 | 75,549 | 8.1 | 2,608 | 64,601 | 7.0 | 2,570 | Yes |
| 3-or-more-person Carpool | 22,955 | 2.6 | 611 | 21,303 | 2.3 | 1,366 | 17,313 | 1.9 | 1,226 | Yes |
| Transit | 4,905 | 0.6 | 283 | 4,808 | 0.5 | 659 | 4,724 | 0.5 | 685 | No |
| Bike | 310 | 0.0 | 71 | 405 | 0.0 | 158 | 678 | 0.1 | 313 | Yes |
| Walked | 10,835 | 1.2 | 421 | 10,290 | 1.1 | 1,059 | 9,657 | 1.0 | 877 | Yes |
| Taxi, Motorcycle and Other means | 4,955 | 0.6 | 285 | 5,843 | 0.6 | 845 | 5,313 | 0.6 | 840 | No |
| Worked at Home | 21,260 | 2.4 | 589 | 22,872 | 2.5 | 1,235 | 24,766 | 2.7 | 1,449 | 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
