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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 | 242,590 | 100.0 | 1,669 | 305,029 | 100.0 | 3,227 | 300,743 | 100.0 | 2,480 | Yes |
| Drove alone | 180,410 | 74.4 | 1,516 | 216,718 | 71.0 | 3,250 | 215,936 | 71.8 | 2,928 | Yes |
| 2-person Carpool | 22,320 | 9.2 | 596 | 25,820 | 8.5 | 1,902 | 23,624 | 7.9 | 1,833 | No |
| 3-or-more-person Carpool | 11,575 | 4.8 | 432 | 13,415 | 4.4 | 1,690 | 10,128 | 3.4 | 1,631 | No |
| Transit | 8,570 | 3.5 | 373 | 11,557 | 3.8 | 1,391 | 10,111 | 3.4 | 1,287 | Yes |
| Bike | 2,595 | 1.1 | 206 | 3,602 | 1.2 | 609 | 4,652 | 1.5 | 584 | Yes |
| Walked | 5,340 | 2.2 | 295 | 5,788 | 1.9 | 895 | 7,223 | 2.4 | 856 | Yes |
| Taxi, Motorcycle and Other means | 3,935 | 1.6 | 253 | 10,985 | 3.6 | 1,597 | 7,324 | 2.4 | 1,145 | Yes |
| Worked at Home | 7,855 | 3.2 | 357 | 17,144 | 5.6 | 1,310 | 21,745 | 7.2 | 1,464 | 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 | 190,470 | 100.0 | 1,545 | 229,537 | 100.0 | 3,041 | 241,478 | 100.0 | 2,953 | Yes |
| Drove alone | 144,065 | 75.6 | 1,393 | 170,573 | 74.3 | 3,021 | 180,480 | 74.7 | 3,467 | Yes |
| 2-person Carpool | 20,190 | 10.6 | 568 | 20,018 | 8.7 | 1,346 | 20,157 | 8.3 | 1,386 | No |
| 3-or-more-person Carpool | 4,955 | 2.6 | 284 | 4,383 | 1.9 | 633 | 4,496 | 1.9 | 674 | No |
| Transit | 6,940 | 3.6 | 336 | 10,610 | 4.6 | 1,248 | 8,640 | 3.6 | 969 | Yes |
| Bike | 750 | 0.4 | 111 | 1,420 | 0.6 | 361 | 1,763 | 0.7 | 460 | Yes |
| Walked | 4,395 | 2.3 | 268 | 3,736 | 1.6 | 588 | 5,671 | 2.3 | 788 | Yes |
| Taxi, Motorcycle and Other means | 1,245 | 0.7 | 143 | 4,234 | 1.8 | 747 | 3,004 | 1.2 | 640 | Yes |
| Worked at Home | 7,935 | 4.2 | 359 | 14,563 | 6.3 | 906 | 17,267 | 7.2 | 1,345 | 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
