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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 | 256,380 | 100.0 | 1,772 | 242,435 | 100.0 | 2,582 | 236,037 | 100.0 | 2,098 | Yes |
| Drove alone | 220,060 | 85.8 | 1,680 | 200,834 | 82.8 | 2,772 | 198,803 | 84.2 | 2,682 | Yes |
| 2-person Carpool | 16,440 | 6.4 | 515 | 13,633 | 5.6 | 1,002 | 11,650 | 4.9 | 846 | Yes |
| 3-or-more-person Carpool | 2,710 | 1.1 | 210 | 3,767 | 1.6 | 670 | 2,526 | 1.1 | 613 | No |
| Transit | 3,895 | 1.5 | 252 | 5,561 | 2.3 | 775 | 5,534 | 2.3 | 714 | Yes |
| Bike | 415 | 0.2 | 82 | 779 | 0.3 | 245 | 900 | 0.4 | 276 | Yes |
| Walked | 3,335 | 1.3 | 233 | 3,840 | 1.6 | 561 | 4,028 | 1.7 | 584 | Yes |
| Taxi, Motorcycle and Other means | 1,675 | 0.7 | 165 | 3,218 | 1.3 | 596 | 2,191 | 0.9 | 421 | Yes |
| Worked at Home | 7,850 | 3.1 | 357 | 10,803 | 4.5 | 942 | 10,405 | 4.4 | 955 | 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 | 241,940 | 100.0 | 1,737 | 237,487 | 100.0 | 2,829 | 237,231 | 100.0 | 2,772 | Yes |
| Drove alone | 202,970 | 83.9 | 1,631 | 197,962 | 83.4 | 2,973 | 198,926 | 83.9 | 3,009 | Yes |
| 2-person Carpool | 18,995 | 7.9 | 552 | 14,814 | 6.2 | 1,006 | 13,581 | 5.7 | 1,065 | Yes |
| 3-or-more-person Carpool | 3,475 | 1.4 | 238 | 3,092 | 1.3 | 482 | 3,091 | 1.3 | 492 | No |
| Transit | 4,275 | 1.8 | 264 | 5,512 | 2.3 | 581 | 5,934 | 2.5 | 846 | Yes |
| Bike | 65 | 0.0 | 33 | 194 | 0.1 | 120 | 137 | 0.1 | 115 | No |
| Walked | 2,895 | 1.2 | 217 | 3,093 | 1.3 | 504 | 3,554 | 1.5 | 514 | Yes |
| Taxi, Motorcycle and Other means | 1,045 | 0.4 | 131 | 2,079 | 0.9 | 483 | 1,560 | 0.7 | 372 | Yes |
| Worked at Home | 8,210 | 3.4 | 365 | 10,741 | 4.5 | 1,048 | 10,448 | 4.4 | 793 | 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
