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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 | 129,990 | 100.0 | 1,664 | 168,793 | 100.0 | 3,302 | 175,889 | 100.0 | 3,366 | Yes |
| Drove alone | 96,110 | 73.9 | 1,476 | 125,981 | 74.6 | 3,103 | 131,185 | 74.6 | 2,675 | Yes |
| 2-person Carpool | 16,115 | 12.4 | 646 | 19,820 | 11.7 | 1,552 | 17,845 | 10.1 | 1,356 | Yes |
| 3-or-more-person Carpool | 8,715 | 6.7 | 478 | 11,221 | 6.6 | 1,307 | 11,223 | 6.4 | 1,285 | Yes |
| Transit | 1,385 | 1.1 | 191 | 1,551 | 0.9 | 436 | 1,712 | 1.0 | 549 | No |
| Bike | 1,060 | 0.8 | 168 | 908 | 0.5 | 292 | 1,293 | 0.7 | 418 | No |
| Walked | 2,305 | 1.8 | 247 | 3,177 | 1.9 | 655 | 3,990 | 2.3 | 1,070 | Yes |
| Taxi, Motorcycle and Other means | 2,270 | 1.7 | 245 | 2,782 | 1.6 | 467 | 4,425 | 2.5 | 736 | Yes |
| Worked at Home | 2,035 | 1.6 | 232 | 3,353 | 2.0 | 532 | 4,216 | 2.4 | 776 | 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 | 99,745 | 100.0 | 1,499 | 126,184 | 100.0 | 2,162 | 130,639 | 100.0 | 2,427 | Yes |
| Drove alone | 73,465 | 73.7 | 1,316 | 97,648 | 77.4 | 2,126 | 101,800 | 77.9 | 2,643 | Yes |
| 2-person Carpool | 11,925 | 12.0 | 557 | 12,714 | 10.1 | 905 | 12,052 | 9.2 | 994 | No |
| 3-or-more-person Carpool | 5,470 | 5.5 | 379 | 5,860 | 4.6 | 761 | 6,119 | 4.7 | 807 | No |
| Transit | 1,595 | 1.6 | 205 | 1,455 | 1.2 | 434 | 1,555 | 1.2 | 444 | No |
| Bike | 175 | 0.2 | 68 | 142 | 0.1 | 95 | 200 | 0.2 | 132 | No |
| Walked | 2,090 | 2.1 | 235 | 2,047 | 1.6 | 463 | 2,198 | 1.7 | 509 | No |
| Taxi, Motorcycle and Other means | 875 | 0.9 | 152 | 1,552 | 1.2 | 437 | 1,536 | 1.2 | 380 | Yes |
| Worked at Home | 4,150 | 4.2 | 331 | 4,766 | 3.8 | 650 | 5,179 | 4.0 | 837 | 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
