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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 | 470,220 | 100.0 | 2,418 | 605,562 | 100.0 | 5,756 | 554,114 | 100.0 | 4,754 | Yes |
| Drove alone | 338,150 | 71.9 | 2,140 | 446,960 | 73.8 | 5,858 | 415,104 | 74.9 | 5,605 | Yes |
| 2-person Carpool | 50,200 | 10.7 | 895 | 57,641 | 9.5 | 3,180 | 48,804 | 8.8 | 2,873 | No |
| 3-or-more-person Carpool | 27,200 | 5.8 | 663 | 34,405 | 5.7 | 2,395 | 26,453 | 4.8 | 2,523 | No |
| Transit | 21,900 | 4.7 | 595 | 22,383 | 3.7 | 1,570 | 21,138 | 3.8 | 1,906 | No |
| Bike | 3,395 | 0.7 | 236 | 3,062 | 0.5 | 576 | 3,227 | 0.6 | 802 | No |
| Walked | 11,300 | 2.4 | 429 | 12,052 | 2.0 | 1,404 | 11,761 | 2.1 | 1,369 | No |
| Taxi, Motorcycle and Other means | 8,290 | 1.8 | 368 | 11,019 | 1.8 | 1,409 | 12,757 | 2.3 | 1,511 | Yes |
| Worked at Home | 9,785 | 2.1 | 399 | 18,040 | 3.0 | 1,297 | 14,870 | 2.7 | 1,298 | 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 | 371,465 | 100.0 | 2,219 | 454,627 | 100.0 | 5,396 | 429,598 | 100.0 | 4,792 | Yes |
| Drove alone | 266,540 | 71.8 | 1,941 | 343,563 | 75.6 | 5,412 | 330,915 | 77.0 | 4,349 | Yes |
| 2-person Carpool | 44,010 | 11.8 | 839 | 42,476 | 9.3 | 2,352 | 37,487 | 8.7 | 2,423 | Yes |
| 3-or-more-person Carpool | 12,570 | 3.4 | 452 | 8,866 | 2.0 | 902 | 7,031 | 1.6 | 821 | Yes |
| Transit | 26,359 | 7.1 | 652 | 25,654 | 5.6 | 1,851 | 22,504 | 5.2 | 1,637 | Yes |
| Bike | 465 | 0.1 | 87 | 929 | 0.2 | 353 | 946 | 0.2 | 306 | Yes |
| Walked | 8,110 | 2.2 | 364 | 11,013 | 2.4 | 1,394 | 9,015 | 2.1 | 1,002 | No |
| Taxi, Motorcycle and Other means | 3,490 | 0.9 | 239 | 6,080 | 1.3 | 1,011 | 6,160 | 1.4 | 812 | Yes |
| Worked at Home | 9,920 | 2.7 | 402 | 16,046 | 3.5 | 1,466 | 15,540 | 3.6 | 1,106 | 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
