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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 | 110,335 | 100.0 | 1,170 | 110,940 | 100.0 | 1,964 | 105,890 | 100.0 | 1,894 | Yes |
| Drove alone | 86,730 | 78.6 | 1,072 | 88,672 | 79.9 | 1,960 | 84,546 | 79.8 | 1,810 | Yes |
| 2-person Carpool | 11,655 | 10.6 | 431 | 9,606 | 8.7 | 950 | 10,262 | 9.7 | 1,080 | Yes |
| 3-or-more-person Carpool | 3,385 | 3.1 | 235 | 3,786 | 3.4 | 898 | 2,485 | 2.3 | 486 | Yes |
| Transit | 1,975 | 1.8 | 179 | 1,484 | 1.3 | 510 | 1,328 | 1.3 | 375 | Yes |
| Bike | 515 | 0.5 | 92 | 672 | 0.6 | 309 | 907 | 0.9 | 355 | Yes |
| Walked | 1,995 | 1.8 | 180 | 1,762 | 1.6 | 412 | 2,215 | 2.1 | 491 | No |
| Taxi, Motorcycle and Other means | 2,065 | 1.9 | 183 | 1,425 | 1.3 | 372 | 2,114 | 2.0 | 540 | No |
| Worked at Home | 2,010 | 1.8 | 181 | 3,533 | 3.2 | 991 | 2,033 | 1.9 | 464 | 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 | 99,275 | 100.0 | 1,127 | 98,984 | 100.0 | 2,499 | 95,935 | 100.0 | 1,541 | Yes |
| Drove alone | 77,910 | 78.5 | 1,028 | 80,609 | 81.4 | 2,569 | 78,994 | 82.3 | 1,568 | No |
| 2-person Carpool | 10,685 | 10.8 | 413 | 8,809 | 8.9 | 1,140 | 7,889 | 8.2 | 818 | Yes |
| 3-or-more-person Carpool | 3,035 | 3.1 | 222 | 2,948 | 3.0 | 1,118 | 2,076 | 2.2 | 496 | Yes |
| Transit | 2,634 | 2.7 | 207 | 1,052 | 1.1 | 304 | 2,098 | 2.2 | 504 | No |
| Bike | 160 | 0.2 | 51 | 130 | 0.1 | 108 | 71 | 0.1 | 50 | Yes |
| Walked | 1,660 | 1.7 | 165 | 1,459 | 1.5 | 404 | 1,250 | 1.3 | 337 | Yes |
| Taxi, Motorcycle and Other means | 940 | 0.9 | 124 | 1,031 | 1.0 | 453 | 1,417 | 1.5 | 396 | Yes |
| Worked at Home | 2,255 | 2.3 | 192 | 2,946 | 3.0 | 496 | 2,140 | 2.2 | 369 | No |
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
