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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 | 735,425 | 100.0 | 3,803 | 813,334 | 100.0 | 4,045 | 782,682 | 100.0 | 5,323 | Yes |
| Drove alone | 566,985 | 77.1 | 3,470 | 631,114 | 77.6 | 4,764 | 616,702 | 78.8 | 5,918 | Yes |
| 2-person Carpool | 70,420 | 9.6 | 1,350 | 64,494 | 7.9 | 2,672 | 59,053 | 7.5 | 2,384 | Yes |
| 3-or-more-person Carpool | 25,260 | 3.4 | 815 | 21,852 | 2.7 | 1,977 | 18,006 | 2.3 | 1,439 | Yes |
| Transit | 18,455 | 2.5 | 697 | 23,242 | 2.9 | 1,625 | 20,382 | 2.6 | 1,692 | Yes |
| Bike | 9,500 | 1.3 | 501 | 12,104 | 1.5 | 1,461 | 10,837 | 1.4 | 1,208 | Yes |
| Walked | 13,220 | 1.8 | 591 | 13,740 | 1.7 | 1,400 | 12,614 | 1.6 | 1,205 | No |
| Taxi, Motorcycle and Other means | 7,995 | 1.1 | 460 | 10,260 | 1.3 | 1,057 | 9,369 | 1.2 | 890 | Yes |
| Worked at Home | 23,585 | 3.2 | 788 | 36,528 | 4.5 | 1,969 | 35,719 | 4.6 | 1,637 | 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 | 578,560 | 100.0 | 3,496 | 623,490 | 100.0 | 4,795 | 635,894 | 100.0 | 4,391 | Yes |
| Drove alone | 438,760 | 75.8 | 3,137 | 484,400 | 77.7 | 4,494 | 490,374 | 77.1 | 5,260 | Yes |
| 2-person Carpool | 60,390 | 10.4 | 1,252 | 51,137 | 8.2 | 2,011 | 52,276 | 8.2 | 2,378 | Yes |
| 3-or-more-person Carpool | 18,300 | 3.2 | 694 | 13,787 | 2.2 | 1,100 | 13,826 | 2.2 | 1,085 | Yes |
| Transit | 18,105 | 3.1 | 691 | 19,518 | 3.1 | 1,391 | 21,264 | 3.3 | 1,604 | Yes |
| Bike | 1,085 | 0.2 | 170 | 2,109 | 0.3 | 472 | 2,929 | 0.5 | 611 | Yes |
| Walked | 13,020 | 2.3 | 586 | 15,142 | 2.4 | 1,289 | 14,531 | 2.3 | 1,280 | Yes |
| Taxi, Motorcycle and Other means | 3,650 | 0.6 | 311 | 4,134 | 0.7 | 630 | 4,785 | 0.8 | 625 | Yes |
| Worked at Home | 25,245 | 4.4 | 815 | 33,263 | 5.3 | 1,790 | 35,909 | 5.6 | 1,871 | 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
