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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 | 207,415 | 100.0 | 1,910 | 206,251 | 100.0 | 2,246 | 203,332 | 100.0 | 2,365 | Yes |
| Drove alone | 167,635 | 80.8 | 1,766 | 167,658 | 81.3 | 3,028 | 166,800 | 82.0 | 2,900 | No |
| 2-person Carpool | 18,695 | 9.0 | 647 | 16,050 | 7.8 | 1,498 | 16,851 | 8.3 | 1,287 | Yes |
| 3-or-more-person Carpool | 6,965 | 3.4 | 398 | 5,840 | 2.8 | 925 | 4,577 | 2.3 | 757 | Yes |
| Transit | 3,899 | 1.9 | 298 | 3,599 | 1.7 | 651 | 3,215 | 1.6 | 559 | Yes |
| Bike | 305 | 0.1 | 83 | 427 | 0.2 | 228 | 461 | 0.2 | 162 | No |
| Walked | 3,325 | 1.6 | 275 | 4,847 | 2.4 | 1,332 | 3,647 | 1.8 | 548 | No |
| Taxi, Motorcycle and Other means | 2,125 | 1.0 | 220 | 2,225 | 1.1 | 495 | 1,941 | 1.0 | 474 | No |
| Worked at Home | 4,460 | 2.2 | 319 | 5,605 | 2.7 | 734 | 5,840 | 2.9 | 833 | 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 | 195,145 | 100.0 | 1,869 | 201,213 | 100.0 | 2,635 | 203,149 | 100.0 | 2,724 | Yes |
| Drove alone | 155,410 | 79.6 | 1,714 | 167,047 | 83.0 | 2,543 | 167,847 | 82.6 | 2,789 | Yes |
| 2-person Carpool | 20,805 | 10.7 | 682 | 16,611 | 8.3 | 1,202 | 17,490 | 8.6 | 1,299 | Yes |
| 3-or-more-person Carpool | 6,220 | 3.2 | 376 | 4,104 | 2.0 | 647 | 4,986 | 2.5 | 869 | Yes |
| Transit | 4,240 | 2.2 | 311 | 3,945 | 2.0 | 653 | 3,507 | 1.7 | 568 | Yes |
| Bike | 60 | 0.0 | 37 | 225 | 0.1 | 181 | 205 | 0.1 | 134 | Yes |
| Walked | 2,560 | 1.3 | 242 | 2,481 | 1.2 | 534 | 2,136 | 1.1 | 348 | Yes |
| Taxi, Motorcycle and Other means | 1,405 | 0.7 | 179 | 1,531 | 0.8 | 424 | 1,618 | 0.8 | 357 | No |
| Worked at Home | 4,450 | 2.3 | 318 | 5,269 | 2.6 | 721 | 5,360 | 2.6 | 659 | 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
