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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 | 2,070,300 | 100.0 | 5,018 | 2,244,350 | 100.0 | 9,195 | 2,197,088 | 100.0 | 9,409 | Yes |
| Drove alone | 1,617,015 | 78.1 | 4,599 | 1,749,002 | 77.9 | 8,152 | 1,740,935 | 79.2 | 10,876 | Yes |
| 2-person Carpool | 222,950 | 10.8 | 1,884 | 201,362 | 9.0 | 4,158 | 181,013 | 8.2 | 5,622 | Yes |
| 3-or-more-person Carpool | 87,835 | 4.2 | 1,193 | 82,029 | 3.7 | 3,524 | 65,978 | 3.0 | 3,100 | Yes |
| Transit | 13,750 | 0.7 | 474 | 22,617 | 1.0 | 1,684 | 24,978 | 1.1 | 1,593 | Yes |
| Bike | 5,690 | 0.3 | 305 | 7,869 | 0.4 | 996 | 8,124 | 0.4 | 868 | Yes |
| Walked | 47,535 | 2.3 | 880 | 50,224 | 2.2 | 3,264 | 47,019 | 2.1 | 2,332 | No |
| Taxi, Motorcycle and Other means | 26,875 | 1.3 | 662 | 31,862 | 1.4 | 2,188 | 29,263 | 1.3 | 1,728 | Yes |
| Worked at Home | 48,665 | 2.4 | 890 | 99,385 | 4.4 | 4,678 | 99,778 | 4.5 | 3,319 | 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 | 1,767,470 | 100.0 | 4,752 | 1,975,381 | 100.0 | 8,549 | 1,994,115 | 100.0 | 8,123 | Yes |
| Drove alone | 1,429,650 | 80.9 | 4,387 | 1,631,201 | 82.6 | 9,201 | 1,660,944 | 83.3 | 8,927 | Yes |
| 2-person Carpool | 177,410 | 10.0 | 1,685 | 158,149 | 8.0 | 4,136 | 144,660 | 7.3 | 3,921 | Yes |
| 3-or-more-person Carpool | 50,075 | 2.8 | 903 | 38,458 | 1.9 | 1,822 | 37,566 | 1.9 | 1,825 | Yes |
| Transit | 15,975 | 0.9 | 511 | 20,918 | 1.1 | 1,633 | 21,540 | 1.1 | 1,413 | Yes |
| Bike | 1,150 | 0.1 | 137 | 2,020 | 0.1 | 430 | 2,401 | 0.1 | 468 | Yes |
| Walked | 26,615 | 1.5 | 659 | 29,444 | 1.5 | 2,073 | 26,800 | 1.3 | 1,587 | No |
| Taxi, Motorcycle and Other means | 12,315 | 0.7 | 449 | 14,881 | 0.8 | 1,492 | 14,643 | 0.7 | 1,603 | Yes |
| Worked at Home | 54,285 | 3.1 | 940 | 80,310 | 4.1 | 2,546 | 85,561 | 4.3 | 3,084 | 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
