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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 | 463,545 | 100.0 | 2,352 | 488,088 | 100.0 | 2,809 | 491,991 | 100.0 | 2,591 | Yes |
| Drove alone | 370,445 | 79.9 | 2,180 | 387,435 | 79.4 | 3,260 | 396,935 | 80.7 | 2,861 | Yes |
| 2-person Carpool | 38,200 | 8.2 | 782 | 37,559 | 7.7 | 1,890 | 36,606 | 7.4 | 1,608 | No |
| 3-or-more-person Carpool | 9,655 | 2.1 | 396 | 10,562 | 2.2 | 1,003 | 10,753 | 2.2 | 966 | Yes |
| Transit | 3,125 | 0.7 | 226 | 3,000 | 0.6 | 468 | 3,077 | 0.6 | 419 | No |
| Bike | 2,115 | 0.5 | 186 | 3,271 | 0.7 | 618 | 3,807 | 0.8 | 621 | Yes |
| Walked | 14,995 | 3.2 | 493 | 16,601 | 3.4 | 1,101 | 13,559 | 2.8 | 788 | Yes |
| Taxi, Motorcycle and Other means | 3,805 | 0.8 | 249 | 5,680 | 1.2 | 617 | 4,986 | 1.0 | 559 | Yes |
| Worked at Home | 21,215 | 4.6 | 586 | 23,980 | 4.9 | 959 | 22,268 | 4.5 | 1,124 | No |
| 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 | 409,650 | 100.0 | 2,259 | 433,737 | 100.0 | 3,230 | 442,789 | 100.0 | 2,930 | Yes |
| Drove alone | 328,235 | 80.1 | 2,084 | 349,244 | 80.5 | 3,295 | 358,739 | 81.0 | 2,486 | Yes |
| 2-person Carpool | 34,245 | 8.4 | 741 | 33,936 | 7.8 | 1,615 | 34,784 | 7.9 | 1,563 | No |
| 3-or-more-person Carpool | 9,800 | 2.4 | 399 | 9,774 | 2.3 | 824 | 9,287 | 2.1 | 780 | No |
| Transit | 2,829 | 0.7 | 215 | 3,387 | 0.8 | 628 | 3,127 | 0.7 | 595 | No |
| Bike | 435 | 0.1 | 84 | 1,184 | 0.3 | 316 | 1,162 | 0.3 | 282 | Yes |
| Walked | 13,010 | 3.2 | 460 | 13,061 | 3.0 | 975 | 12,678 | 2.9 | 904 | No |
| Taxi, Motorcycle and Other means | 1,790 | 0.4 | 171 | 1,930 | 0.4 | 465 | 2,387 | 0.5 | 470 | Yes |
| Worked at Home | 19,300 | 4.7 | 559 | 21,221 | 4.9 | 1,155 | 20,625 | 4.7 | 1,162 | 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