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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 | 783,475 | 100.0 | 3,934 | 1,012,631 | 100.0 | 4,899 | 913,094 | 100.0 | 4,604 | Yes |
| Drove alone | 580,495 | 74.1 | 3,533 | 751,050 | 74.2 | 6,612 | 695,003 | 76.1 | 5,984 | Yes |
| 2-person Carpool | 91,420 | 11.7 | 1,534 | 101,756 | 10.0 | 3,634 | 80,999 | 8.9 | 3,546 | Yes |
| 3-or-more-person Carpool | 31,055 | 4.0 | 903 | 35,424 | 3.5 | 2,831 | 21,518 | 2.4 | 1,675 | Yes |
| Transit | 14,450 | 1.8 | 618 | 25,255 | 2.5 | 2,110 | 19,137 | 2.1 | 1,682 | Yes |
| Bike | 10,890 | 1.4 | 536 | 12,222 | 1.2 | 1,503 | 10,728 | 1.2 | 1,057 | No |
| Walked | 15,825 | 2.0 | 646 | 17,955 | 1.8 | 1,588 | 13,759 | 1.5 | 1,355 | Yes |
| Taxi, Motorcycle and Other means | 14,770 | 1.9 | 624 | 22,437 | 2.2 | 1,826 | 20,204 | 2.2 | 1,866 | Yes |
| Worked at Home | 24,570 | 3.1 | 804 | 46,532 | 4.6 | 2,219 | 51,746 | 5.7 | 2,315 | 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 | 622,965 | 100.0 | 3,629 | 793,989 | 100.0 | 6,140 | 780,587 | 100.0 | 6,089 | Yes |
| Drove alone | 469,850 | 75.4 | 3,249 | 609,888 | 76.8 | 6,426 | 598,883 | 76.7 | 5,995 | Yes |
| 2-person Carpool | 74,715 | 12.0 | 1,390 | 76,502 | 9.6 | 2,805 | 75,981 | 9.7 | 2,501 | No |
| 3-or-more-person Carpool | 17,045 | 2.7 | 670 | 18,314 | 2.3 | 1,374 | 17,436 | 2.2 | 1,191 | No |
| Transit | 13,685 | 2.2 | 601 | 21,981 | 2.8 | 2,173 | 18,734 | 2.4 | 1,589 | Yes |
| Bike | 2,750 | 0.4 | 270 | 2,953 | 0.4 | 573 | 3,058 | 0.4 | 521 | No |
| Walked | 13,060 | 2.1 | 587 | 12,909 | 1.6 | 1,045 | 12,183 | 1.6 | 1,414 | No |
| Taxi, Motorcycle and Other means | 4,715 | 0.8 | 353 | 7,664 | 1.0 | 943 | 8,300 | 1.1 | 995 | Yes |
| Worked at Home | 27,150 | 4.4 | 845 | 43,778 | 5.5 | 1,922 | 46,012 | 5.9 | 2,160 | 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
