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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 | 5,068,825 | 100.0 | 7,925 | 6,126,058 | 100.0 | 14,651 | 6,231,217 | 100.0 | 12,560 | Yes |
| Drove alone | 3,944,240 | 77.8 | 7,236 | 4,785,688 | 78.1 | 15,682 | 4,939,077 | 79.3 | 15,928 | Yes |
| 2-person Carpool | 524,715 | 10.4 | 2,894 | 546,039 | 8.9 | 7,919 | 519,214 | 8.3 | 8,471 | No |
| 3-or-more-person Carpool | 210,110 | 4.1 | 1,845 | 225,589 | 3.7 | 5,620 | 191,855 | 3.1 | 5,252 | Yes |
| Transit | 78,290 | 1.5 | 1,130 | 91,297 | 1.5 | 3,156 | 89,683 | 1.4 | 3,215 | Yes |
| Bike | 17,880 | 0.4 | 541 | 21,762 | 0.4 | 1,728 | 24,114 | 0.4 | 1,422 | Yes |
| Walked | 99,720 | 2.0 | 1,275 | 109,073 | 1.8 | 3,390 | 106,723 | 1.7 | 3,847 | Yes |
| Taxi, Motorcycle and Other means | 74,170 | 1.5 | 1,100 | 128,227 | 2.1 | 4,431 | 116,444 | 1.9 | 4,198 | Yes |
| Worked at Home | 119,710 | 2.4 | 1,396 | 218,383 | 3.6 | 4,782 | 244,107 | 3.9 | 5,117 | 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 | 4,089,050 | 100.0 | 7,336 | 4,885,442 | 100.0 | 14,115 | 5,139,411 | 100.0 | 15,144 | Yes |
| Drove alone | 3,171,350 | 77.6 | 6,635 | 3,904,122 | 79.9 | 14,570 | 4,146,081 | 80.7 | 14,983 | Yes |
| 2-person Carpool | 458,280 | 11.2 | 2,709 | 436,594 | 8.9 | 6,259 | 433,666 | 8.4 | 6,763 | Yes |
| 3-or-more-person Carpool | 132,915 | 3.3 | 1,470 | 109,113 | 2.2 | 3,332 | 111,354 | 2.2 | 3,411 | Yes |
| Transit | 85,880 | 2.1 | 1,183 | 94,456 | 1.9 | 3,255 | 87,923 | 1.7 | 3,341 | No |
| Bike | 3,670 | 0.1 | 245 | 6,013 | 0.1 | 742 | 6,193 | 0.1 | 845 | Yes |
| Walked | 73,950 | 1.8 | 1,098 | 85,003 | 1.7 | 3,564 | 80,965 | 1.6 | 2,681 | Yes |
| Taxi, Motorcycle and Other means | 30,695 | 0.8 | 708 | 58,580 | 1.2 | 2,661 | 54,252 | 1.1 | 2,374 | Yes |
| Worked at Home | 132,315 | 3.2 | 1,467 | 191,561 | 3.9 | 4,054 | 218,977 | 4.3 | 4,727 | 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
