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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 | 147,225 | 100.0 | 1,334 | 156,790 | 100.0 | 1,847 | 152,662 | 100.0 | 1,415 | Yes |
| Drove alone | 120,390 | 81.8 | 1,245 | 126,870 | 80.9 | 2,448 | 126,283 | 82.7 | 1,794 | Yes |
| 2-person Carpool | 13,850 | 9.4 | 470 | 14,092 | 9.0 | 1,298 | 11,970 | 7.8 | 771 | Yes |
| 3-or-more-person Carpool | 3,565 | 2.4 | 241 | 3,296 | 2.1 | 640 | 3,141 | 2.1 | 548 | No |
| Transit | 1,068 | 0.7 | 132 | 776 | 0.5 | 192 | 1,149 | 0.8 | 283 | No |
| Bike | 365 | 0.2 | 77 | 578 | 0.4 | 242 | 608 | 0.4 | 200 | Yes |
| Walked | 2,810 | 1.9 | 214 | 3,136 | 2.0 | 651 | 1,997 | 1.3 | 372 | Yes |
| Taxi, Motorcycle and Other means | 1,475 | 1.0 | 155 | 2,725 | 1.7 | 535 | 2,180 | 1.4 | 416 | Yes |
| Worked at Home | 3,700 | 2.5 | 245 | 5,317 | 3.4 | 649 | 5,334 | 3.5 | 555 | 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 | 123,830 | 100.0 | 1,258 | 131,476 | 100.0 | 1,871 | 132,711 | 100.0 | 1,664 | Yes |
| Drove alone | 98,605 | 79.6 | 1,154 | 108,024 | 82.2 | 1,936 | 109,400 | 82.4 | 1,845 | Yes |
| 2-person Carpool | 12,965 | 10.5 | 455 | 11,231 | 8.5 | 930 | 11,697 | 8.8 | 963 | Yes |
| 3-or-more-person Carpool | 3,190 | 2.6 | 228 | 3,338 | 2.5 | 498 | 2,272 | 1.7 | 347 | Yes |
| Transit | 1,075 | 0.9 | 133 | 1,094 | 0.8 | 315 | 863 | 0.7 | 306 | No |
| Bike | 70 | 0.1 | 34 | 179 | 0.1 | 110 | 116 | 0.1 | 91 | No |
| Walked | 2,205 | 1.8 | 190 | 1,987 | 1.5 | 488 | 1,866 | 1.4 | 348 | No |
| Taxi, Motorcycle and Other means | 805 | 0.7 | 115 | 1,022 | 0.8 | 310 | 931 | 0.7 | 263 | No |
| Worked at Home | 4,915 | 4.0 | 282 | 4,601 | 3.5 | 536 | 5,566 | 4.2 | 537 | 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
