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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 | 622,295 | 100.0 | 2,796 | 651,846 | 100.0 | 3,551 | 644,945 | 100.0 | 4,430 | Yes |
| Drove alone | 497,320 | 79.9 | 2,574 | 521,314 | 80.0 | 5,260 | 526,575 | 81.6 | 4,773 | Yes |
| 2-person Carpool | 66,760 | 10.7 | 1,032 | 63,863 | 9.8 | 2,326 | 54,053 | 8.4 | 2,345 | Yes |
| 3-or-more-person Carpool | 19,160 | 3.1 | 558 | 17,231 | 2.6 | 1,487 | 17,487 | 2.7 | 1,271 | Yes |
| Transit | 2,165 | 0.3 | 188 | 2,589 | 0.4 | 554 | 3,085 | 0.5 | 585 | Yes |
| Bike | 1,330 | 0.2 | 148 | 1,206 | 0.2 | 356 | 994 | 0.2 | 259 | Yes |
| Walked | 12,790 | 2.1 | 456 | 13,538 | 2.1 | 1,235 | 12,650 | 2.0 | 1,021 | No |
| Taxi, Motorcycle and Other means | 7,870 | 1.3 | 358 | 11,087 | 1.7 | 977 | 10,066 | 1.6 | 949 | Yes |
| Worked at Home | 14,895 | 2.4 | 492 | 21,018 | 3.2 | 1,621 | 20,035 | 3.1 | 1,413 | 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 | 537,805 | 100.0 | 2,652 | 578,641 | 100.0 | 4,465 | 581,616 | 100.0 | 4,190 | Yes |
| Drove alone | 429,895 | 79.9 | 2,430 | 471,177 | 81.4 | 5,117 | 482,429 | 82.9 | 4,660 | Yes |
| 2-person Carpool | 59,535 | 11.1 | 976 | 53,958 | 9.3 | 2,150 | 48,714 | 8.4 | 1,983 | Yes |
| 3-or-more-person Carpool | 18,170 | 3.4 | 544 | 14,459 | 2.5 | 1,152 | 14,600 | 2.5 | 1,155 | Yes |
| Transit | 1,870 | 0.3 | 175 | 2,686 | 0.5 | 655 | 2,626 | 0.5 | 351 | Yes |
| Bike | 180 | 0.0 | 54 | 434 | 0.1 | 194 | 269 | 0.0 | 145 | No |
| Walked | 9,125 | 1.7 | 386 | 8,624 | 1.5 | 971 | 9,107 | 1.6 | 1,064 | No |
| Taxi, Motorcycle and Other means | 3,815 | 0.7 | 250 | 6,068 | 1.0 | 829 | 4,354 | 0.7 | 587 | No |
| Worked at Home | 15,215 | 2.8 | 498 | 21,235 | 3.7 | 1,280 | 19,517 | 3.4 | 1,322 | 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
