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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 | 285,330 | 100.0 | 2,146 | 299,961 | 100.0 | 2,269 | 319,536 | 100.0 | 2,156 | Yes |
| Drove alone | 210,705 | 73.8 | 1,942 | 218,988 | 73.0 | 2,928 | 229,076 | 71.7 | 3,056 | Yes |
| 2-person Carpool | 24,365 | 8.5 | 737 | 23,228 | 7.7 | 1,395 | 23,213 | 7.3 | 1,786 | No |
| 3-or-more-person Carpool | 13,325 | 4.7 | 548 | 9,338 | 3.1 | 1,178 | 9,123 | 2.9 | 1,350 | Yes |
| Transit | 20,380 | 7.1 | 675 | 26,803 | 8.9 | 1,421 | 31,111 | 9.7 | 1,875 | Yes |
| Bike | 600 | 0.2 | 117 | 1,076 | 0.4 | 252 | 1,182 | 0.4 | 369 | Yes |
| Walked | 3,440 | 1.2 | 280 | 5,034 | 1.7 | 821 | 7,034 | 2.2 | 1,423 | Yes |
| Taxi, Motorcycle and Other means | 2,950 | 1.0 | 259 | 3,312 | 1.1 | 575 | 4,467 | 1.4 | 690 | Yes |
| Worked at Home | 9,560 | 3.4 | 465 | 12,182 | 4.1 | 1,060 | 14,330 | 4.5 | 1,158 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 242,130 | 100.0 | 2,038 | 250,644 | 100.0 | 2,638 | 271,115 | 100.0 | 2,399 | Yes |
| Drove alone | 176,520 | 72.9 | 1,817 | 182,636 | 72.9 | 3,030 | 197,612 | 72.9 | 3,214 | Yes |
| 2-person Carpool | 22,490 | 9.3 | 709 | 20,806 | 8.3 | 1,212 | 20,292 | 7.5 | 1,490 | Yes |
| 3-or-more-person Carpool | 8,715 | 3.6 | 444 | 5,590 | 2.2 | 569 | 5,621 | 2.1 | 864 | Yes |
| Transit | 17,145 | 7.1 | 621 | 21,580 | 8.6 | 1,293 | 23,396 | 8.6 | 1,831 | Yes |
| Bike | 70 | 0.0 | 40 | 241 | 0.1 | 144 | 361 | 0.1 | 160 | Yes |
| Walked | 3,525 | 1.5 | 283 | 4,613 | 1.8 | 653 | 5,057 | 1.9 | 824 | Yes |
| Taxi, Motorcycle and Other means | 1,204 | 0.5 | 166 | 1,600 | 0.6 | 441 | 2,158 | 0.8 | 520 | Yes |
| Worked at Home | 12,465 | 5.1 | 530 | 13,578 | 5.4 | 1,029 | 16,618 | 6.1 | 1,248 | 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
