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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 | 1,331,440 | 100.0 | 5,141 | 1,459,718 | 100.0 | 5,467 | 1,457,379 | 100.0 | 5,858 | Yes |
| Drove alone | 1,004,895 | 75.5 | 4,647 | 1,081,486 | 74.1 | 5,823 | 1,077,463 | 73.9 | 7,435 | Yes |
| 2-person Carpool | 123,695 | 9.3 | 1,790 | 118,416 | 8.1 | 3,221 | 112,011 | 7.7 | 3,449 | Yes |
| 3-or-more-person Carpool | 37,375 | 2.8 | 992 | 40,107 | 2.7 | 2,017 | 39,808 | 2.7 | 2,649 | No |
| Transit | 79,590 | 6.0 | 1,442 | 111,282 | 7.6 | 3,176 | 116,203 | 8.0 | 3,629 | Yes |
| Bike | 4,180 | 0.3 | 333 | 6,574 | 0.5 | 907 | 6,077 | 0.4 | 769 | Yes |
| Walked | 33,065 | 2.5 | 933 | 36,060 | 2.5 | 1,733 | 34,302 | 2.4 | 1,842 | No |
| Taxi, Motorcycle and Other means | 13,095 | 1.0 | 589 | 13,559 | 0.9 | 1,373 | 14,341 | 1.0 | 1,438 | No |
| Worked at Home | 35,550 | 2.7 | 968 | 52,234 | 3.6 | 2,155 | 57,174 | 3.9 | 2,244 | 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 | 1,260,230 | 100.0 | 5,047 | 1,387,943 | 100.0 | 5,989 | 1,416,118 | 100.0 | 6,006 | Yes |
| Drove alone | 906,025 | 71.9 | 4,463 | 1,012,471 | 72.9 | 5,831 | 1,025,991 | 72.5 | 7,239 | Yes |
| 2-person Carpool | 125,895 | 10.0 | 1,805 | 108,931 | 7.8 | 3,112 | 115,262 | 8.1 | 3,492 | Yes |
| 3-or-more-person Carpool | 34,025 | 2.7 | 947 | 28,340 | 2.0 | 1,599 | 27,139 | 1.9 | 1,768 | Yes |
| Transit | 100,945 | 8.0 | 1,620 | 135,678 | 9.8 | 3,995 | 139,743 | 9.9 | 3,633 | Yes |
| Bike | 665 | 0.1 | 133 | 1,646 | 0.1 | 410 | 1,700 | 0.1 | 320 | Yes |
| Walked | 31,785 | 2.5 | 915 | 34,600 | 2.5 | 2,011 | 32,683 | 2.3 | 1,534 | No |
| Taxi, Motorcycle and Other means | 9,740 | 0.8 | 508 | 9,836 | 0.7 | 1,082 | 10,333 | 0.7 | 894 | No |
| Worked at Home | 51,155 | 4.1 | 1,159 | 56,441 | 4.1 | 1,947 | 63,267 | 4.5 | 2,338 | 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
