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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 | 362,100 | 100.0 | 2,682 | 377,045 | 100.0 | 3,022 | 360,619 | 100.0 | 2,886 | No |
| Drove alone | 247,690 | 68.4 | 2,333 | 254,155 | 67.4 | 3,411 | 240,005 | 66.6 | 3,329 | Yes |
| 2-person Carpool | 33,620 | 9.3 | 933 | 30,579 | 8.1 | 1,827 | 27,339 | 7.6 | 1,584 | Yes |
| 3-or-more-person Carpool | 14,290 | 3.9 | 613 | 9,650 | 2.6 | 1,119 | 9,203 | 2.6 | 843 | Yes |
| Transit | 33,760 | 9.3 | 935 | 38,337 | 10.2 | 1,880 | 40,659 | 11.3 | 1,770 | Yes |
| Bike | 6,280 | 1.7 | 407 | 7,064 | 1.9 | 757 | 8,095 | 2.2 | 844 | Yes |
| Walked | 10,680 | 2.9 | 530 | 12,324 | 3.3 | 1,238 | 11,845 | 3.3 | 1,178 | No |
| Taxi, Motorcycle and Other means | 5,440 | 1.5 | 379 | 7,884 | 2.1 | 990 | 4,798 | 1.3 | 720 | No |
| Worked at Home | 10,345 | 2.9 | 522 | 17,052 | 4.5 | 1,251 | 18,675 | 5.2 | 1,304 | 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 | 316,810 | 100.0 | 2,561 | 322,991 | 100.0 | 3,325 | 320,230 | 100.0 | 3,269 | No |
| Drove alone | 202,805 | 64.0 | 2,150 | 209,738 | 64.9 | 3,004 | 204,887 | 64.0 | 3,374 | No |
| 2-person Carpool | 32,490 | 10.3 | 918 | 22,963 | 7.1 | 1,462 | 25,109 | 7.8 | 1,224 | Yes |
| 3-or-more-person Carpool | 13,250 | 4.2 | 590 | 9,610 | 3.0 | 876 | 8,904 | 2.8 | 788 | Yes |
| Transit | 37,885 | 12.0 | 989 | 42,005 | 13.0 | 1,582 | 40,910 | 12.8 | 1,645 | Yes |
| Bike | 2,105 | 0.7 | 236 | 3,585 | 1.1 | 502 | 4,378 | 1.4 | 566 | Yes |
| Walked | 11,240 | 3.5 | 544 | 12,622 | 3.9 | 1,083 | 13,149 | 4.1 | 1,017 | Yes |
| Taxi, Motorcycle and Other means | 3,435 | 1.1 | 301 | 4,895 | 1.5 | 657 | 3,425 | 1.1 | 567 | No |
| Worked at Home | 13,595 | 4.3 | 598 | 17,573 | 5.4 | 1,337 | 19,468 | 6.1 | 1,140 | 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
