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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 | 733,845 | 100.0 | 3,793 | 794,177 | 100.0 | 4,068 | 791,758 | 100.0 | 4,882 | Yes |
| Drove alone | 540,590 | 73.7 | 3,403 | 590,987 | 74.4 | 5,112 | 599,130 | 75.7 | 5,362 | Yes |
| 2-person Carpool | 72,870 | 9.9 | 1,372 | 67,279 | 8.5 | 2,459 | 60,429 | 7.6 | 2,324 | Yes |
| 3-or-more-person Carpool | 20,140 | 2.7 | 728 | 17,708 | 2.2 | 1,535 | 17,152 | 2.2 | 1,627 | Yes |
| Transit | 21,990 | 3.0 | 761 | 25,521 | 3.2 | 1,762 | 22,484 | 2.8 | 1,530 | No |
| Bike | 6,330 | 0.9 | 409 | 6,417 | 0.8 | 1,038 | 8,420 | 1.1 | 947 | Yes |
| Walked | 29,955 | 4.1 | 887 | 24,809 | 3.1 | 2,113 | 23,865 | 3.0 | 2,018 | Yes |
| Taxi, Motorcycle and Other means | 13,965 | 1.9 | 607 | 12,825 | 1.6 | 1,318 | 11,258 | 1.4 | 1,011 | Yes |
| Worked at Home | 28,010 | 3.8 | 858 | 48,631 | 6.1 | 2,419 | 49,020 | 6.2 | 2,194 | 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 | 565,660 | 100.0 | 3,462 | 622,056 | 100.0 | 5,320 | 628,745 | 100.0 | 5,164 | Yes |
| Drove alone | 419,475 | 74.2 | 3,077 | 473,554 | 76.1 | 5,815 | 484,740 | 77.1 | 5,119 | Yes |
| 2-person Carpool | 60,415 | 10.7 | 1,252 | 53,500 | 8.6 | 2,570 | 51,177 | 8.1 | 2,153 | Yes |
| 3-or-more-person Carpool | 15,915 | 2.8 | 648 | 11,693 | 1.9 | 1,079 | 12,975 | 2.1 | 1,255 | Yes |
| Transit | 21,040 | 3.7 | 744 | 22,711 | 3.7 | 1,649 | 20,450 | 3.3 | 1,332 | No |
| Bike | 1,130 | 0.2 | 173 | 2,421 | 0.4 | 461 | 2,335 | 0.4 | 448 | Yes |
| Walked | 14,150 | 2.5 | 611 | 16,656 | 2.7 | 1,236 | 14,251 | 2.3 | 1,008 | No |
| Taxi, Motorcycle and Other means | 4,365 | 0.8 | 340 | 3,846 | 0.6 | 560 | 3,975 | 0.6 | 616 | No |
| Worked at Home | 29,170 | 5.2 | 875 | 37,675 | 6.1 | 1,746 | 38,842 | 6.2 | 1,829 | 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
