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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 | 8,020,600 | 100.0 | 12,741 | 9,066,170 | 100.0 | 14,255 | 8,805,888 | 100.0 | 16,232 | Yes |
| Drove alone | 5,826,345 | 72.6 | 11,311 | 6,617,490 | 73.0 | 17,259 | 6,472,127 | 73.5 | 19,798 | Yes |
| 2-person Carpool | 840,140 | 10.5 | 4,661 | 804,184 | 8.9 | 12,011 | 738,820 | 8.4 | 8,277 | Yes |
| 3-or-more-person Carpool | 309,925 | 3.9 | 2,854 | 286,528 | 3.2 | 5,813 | 253,689 | 2.9 | 6,141 | Yes |
| Transit | 360,330 | 4.5 | 3,075 | 440,334 | 4.9 | 8,217 | 421,695 | 4.8 | 6,919 | Yes |
| Bike | 98,755 | 1.2 | 1,616 | 118,295 | 1.3 | 3,770 | 128,608 | 1.5 | 4,492 | Yes |
| Walked | 222,475 | 2.8 | 2,421 | 244,365 | 2.7 | 5,602 | 233,442 | 2.7 | 5,335 | Yes |
| Taxi, Motorcycle and Other means | 108,950 | 1.4 | 1,697 | 152,900 | 1.7 | 4,334 | 133,593 | 1.5 | 3,781 | Yes |
| Worked at Home | 253,690 | 3.2 | 2,584 | 402,074 | 4.4 | 6,354 | 423,914 | 4.8 | 7,051 | 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 | 6,504,720 | 100.0 | 11,806 | 7,293,958 | 100.0 | 14,569 | 7,339,727 | 100.0 | 17,607 | Yes |
| Drove alone | 4,606,115 | 70.8 | 10,273 | 5,312,348 | 72.8 | 15,919 | 5,356,198 | 73.0 | 16,373 | Yes |
| 2-person Carpool | 724,765 | 11.1 | 4,337 | 644,165 | 8.8 | 8,340 | 635,309 | 8.7 | 7,295 | Yes |
| 3-or-more-person Carpool | 238,490 | 3.7 | 2,506 | 189,611 | 2.6 | 4,102 | 186,076 | 2.5 | 4,295 | Yes |
| Transit | 365,830 | 5.6 | 3,098 | 418,071 | 5.7 | 6,234 | 412,279 | 5.6 | 6,298 | Yes |
| Bike | 21,810 | 0.3 | 760 | 38,767 | 0.5 | 2,030 | 46,906 | 0.6 | 2,012 | Yes |
| Walked | 192,105 | 3.0 | 2,251 | 213,400 | 2.9 | 4,669 | 207,655 | 2.8 | 4,401 | Yes |
| Taxi, Motorcycle and Other means | 52,270 | 0.8 | 1,176 | 74,229 | 1.0 | 2,689 | 72,787 | 1.0 | 2,834 | Yes |
| Worked at Home | 303,345 | 4.7 | 2,824 | 403,367 | 5.5 | 5,724 | 422,517 | 5.8 | 5,882 | 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
