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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 | 150,120 | 100.0 | 1,590 | 164,168 | 100.0 | 2,556 | 159,133 | 100.0 | 2,422 | Yes |
| Drove alone | 118,090 | 78.7 | 1,463 | 131,543 | 80.1 | 3,083 | 124,775 | 78.4 | 2,705 | Yes |
| 2-person Carpool | 15,435 | 10.3 | 586 | 12,976 | 7.9 | 1,352 | 13,399 | 8.4 | 1,134 | Yes |
| 3-or-more-person Carpool | 4,515 | 3.0 | 320 | 2,934 | 1.8 | 665 | 4,329 | 2.7 | 821 | No |
| Transit | 2,155 | 1.4 | 222 | 3,460 | 2.1 | 731 | 3,610 | 2.3 | 628 | Yes |
| Bike | 325 | 0.2 | 86 | 705 | 0.4 | 270 | 690 | 0.4 | 233 | Yes |
| Walked | 3,625 | 2.4 | 287 | 2,757 | 1.7 | 445 | 3,064 | 1.9 | 548 | No |
| Taxi, Motorcycle and Other means | 1,585 | 1.1 | 190 | 2,721 | 1.7 | 660 | 2,553 | 1.6 | 516 | Yes |
| Worked at Home | 4,395 | 2.9 | 316 | 7,072 | 4.3 | 923 | 6,713 | 4.2 | 785 | 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 | 135,860 | 100.0 | 1,538 | 150,610 | 100.0 | 2,626 | 149,349 | 100.0 | 2,397 | Yes |
| Drove alone | 106,755 | 78.6 | 1,408 | 122,450 | 81.3 | 2,528 | 120,293 | 80.5 | 2,376 | Yes |
| 2-person Carpool | 14,975 | 11.0 | 577 | 11,913 | 7.9 | 935 | 12,660 | 8.5 | 970 | Yes |
| 3-or-more-person Carpool | 3,185 | 2.3 | 269 | 2,263 | 1.5 | 525 | 2,777 | 1.9 | 637 | No |
| Transit | 2,543 | 1.9 | 241 | 3,066 | 2.0 | 546 | 3,289 | 2.2 | 590 | Yes |
| Bike | 80 | 0.1 | 43 | 186 | 0.1 | 135 | 266 | 0.2 | 193 | No |
| Walked | 3,055 | 2.2 | 264 | 2,380 | 1.6 | 455 | 2,710 | 1.8 | 622 | No |
| Taxi, Motorcycle and Other means | 785 | 0.6 | 134 | 1,172 | 0.8 | 311 | 811 | 0.5 | 277 | No |
| Worked at Home | 4,475 | 3.3 | 319 | 7,180 | 4.8 | 750 | 6,543 | 4.4 | 701 | 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
