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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 | 960,130 | 100.0 | 3,462 | 983,634 | 100.0 | 5,139 | 953,527 | 100.0 | 4,979 | Yes |
| Drove alone | 765,150 | 79.7 | 3,187 | 789,413 | 80.3 | 5,870 | 778,043 | 81.6 | 5,457 | Yes |
| 2-person Carpool | 97,950 | 10.2 | 1,251 | 87,488 | 8.9 | 2,774 | 78,649 | 8.2 | 2,322 | Yes |
| 3-or-more-person Carpool | 27,185 | 2.8 | 665 | 26,226 | 2.7 | 1,924 | 22,550 | 2.4 | 1,530 | Yes |
| Transit | 8,840 | 0.9 | 380 | 10,721 | 1.1 | 1,014 | 10,083 | 1.1 | 1,302 | No |
| Bike | 2,215 | 0.2 | 190 | 2,941 | 0.3 | 545 | 3,106 | 0.3 | 518 | Yes |
| Walked | 25,165 | 2.6 | 640 | 24,942 | 2.5 | 1,717 | 22,383 | 2.3 | 1,412 | Yes |
| Taxi, Motorcycle and Other means | 9,615 | 1.0 | 396 | 11,789 | 1.2 | 1,013 | 10,035 | 1.1 | 950 | No |
| Worked at Home | 24,005 | 2.5 | 625 | 30,114 | 3.1 | 1,730 | 28,678 | 3.0 | 1,671 | 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 | 821,600 | 100.0 | 3,274 | 873,061 | 100.0 | 5,734 | 865,041 | 100.0 | 5,551 | Yes |
| Drove alone | 663,900 | 80.8 | 3,014 | 718,653 | 82.3 | 5,944 | 726,343 | 84.0 | 5,716 | Yes |
| 2-person Carpool | 80,440 | 9.8 | 1,136 | 72,917 | 8.4 | 2,477 | 63,562 | 7.3 | 1,960 | Yes |
| 3-or-more-person Carpool | 19,070 | 2.3 | 557 | 17,465 | 2.0 | 1,251 | 15,725 | 1.8 | 1,301 | Yes |
| Transit | 11,345 | 1.4 | 430 | 11,765 | 1.3 | 1,063 | 9,809 | 1.1 | 889 | Yes |
| Bike | 395 | 0.0 | 80 | 1,378 | 0.2 | 386 | 1,088 | 0.1 | 400 | Yes |
| Walked | 17,330 | 2.1 | 532 | 18,673 | 2.1 | 1,419 | 16,235 | 1.9 | 1,228 | No |
| Taxi, Motorcycle and Other means | 4,980 | 0.6 | 285 | 5,227 | 0.6 | 751 | 5,883 | 0.7 | 784 | Yes |
| Worked at Home | 24,140 | 2.9 | 627 | 26,983 | 3.1 | 1,642 | 26,396 | 3.1 | 1,450 | 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
