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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 | 2,126,905 | 100.0 | 6,618 | 2,455,733 | 100.0 | 6,558 | 2,366,343 | 100.0 | 7,997 | Yes |
| Drove alone | 1,532,885 | 72.1 | 5,840 | 1,788,030 | 72.8 | 8,368 | 1,731,724 | 73.2 | 8,308 | Yes |
| 2-person Carpool | 228,740 | 10.8 | 2,433 | 209,690 | 8.5 | 4,819 | 187,362 | 7.9 | 4,226 | Yes |
| 3-or-more-person Carpool | 78,905 | 3.7 | 1,441 | 66,840 | 2.7 | 2,784 | 57,529 | 2.4 | 2,357 | Yes |
| Transit | 123,960 | 5.8 | 1,801 | 165,916 | 6.8 | 5,250 | 159,076 | 6.7 | 4,246 | Yes |
| Bike | 20,975 | 1.0 | 745 | 27,228 | 1.1 | 1,797 | 29,352 | 1.2 | 1,583 | Yes |
| Walked | 54,630 | 2.6 | 1,200 | 64,103 | 2.6 | 2,954 | 63,147 | 2.7 | 2,375 | Yes |
| Taxi, Motorcycle and Other means | 24,625 | 1.2 | 807 | 37,166 | 1.5 | 1,944 | 30,407 | 1.3 | 1,950 | Yes |
| Worked at Home | 62,195 | 2.9 | 1,280 | 96,760 | 3.9 | 3,546 | 107,746 | 4.6 | 3,253 | 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 | 1,731,845 | 100.0 | 6,130 | 1,984,396 | 100.0 | 9,252 | 1,965,513 | 100.0 | 8,245 | Yes |
| Drove alone | 1,182,060 | 68.3 | 5,240 | 1,414,619 | 71.3 | 8,073 | 1,403,945 | 71.4 | 8,326 | Yes |
| 2-person Carpool | 207,740 | 12.0 | 2,321 | 174,492 | 8.8 | 4,071 | 165,419 | 8.4 | 3,275 | Yes |
| 3-or-more-person Carpool | 66,635 | 3.8 | 1,325 | 46,922 | 2.4 | 2,068 | 44,035 | 2.2 | 1,867 | Yes |
| Transit | 126,880 | 7.3 | 1,822 | 155,818 | 7.9 | 3,841 | 150,567 | 7.7 | 3,560 | Yes |
| Bike | 3,040 | 0.2 | 284 | 5,560 | 0.3 | 810 | 7,732 | 0.4 | 918 | Yes |
| Walked | 58,375 | 3.4 | 1,240 | 62,505 | 3.1 | 2,765 | 63,021 | 3.2 | 2,336 | Yes |
| Taxi, Motorcycle and Other means | 14,665 | 0.8 | 623 | 22,231 | 1.1 | 1,771 | 21,230 | 1.1 | 1,648 | Yes |
| Worked at Home | 72,450 | 4.2 | 1,381 | 102,249 | 5.2 | 2,903 | 109,564 | 5.6 | 2,895 | 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
