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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 | 255,500 | 100.0 | 2,102 | 260,745 | 100.0 | 2,888 | 251,090 | 100.0 | 2,852 | Yes |
| Drove alone | 205,325 | 80.4 | 1,943 | 209,857 | 80.5 | 3,157 | 197,624 | 78.7 | 2,900 | Yes |
| 2-person Carpool | 21,325 | 8.3 | 691 | 17,070 | 6.5 | 1,370 | 16,422 | 6.5 | 1,315 | Yes |
| 3-or-more-person Carpool | 5,555 | 2.2 | 355 | 4,857 | 1.9 | 662 | 5,867 | 2.3 | 987 | No |
| Transit | 5,470 | 2.1 | 353 | 7,400 | 2.8 | 1,035 | 7,880 | 3.1 | 773 | Yes |
| Bike | 945 | 0.4 | 147 | 1,038 | 0.4 | 288 | 1,521 | 0.6 | 418 | Yes |
| Walked | 9,675 | 3.8 | 468 | 8,036 | 3.1 | 899 | 8,853 | 3.5 | 828 | No |
| Taxi, Motorcycle and Other means | 2,155 | 0.8 | 222 | 3,666 | 1.4 | 712 | 3,378 | 1.3 | 512 | Yes |
| Worked at Home | 5,045 | 2.0 | 339 | 8,821 | 3.4 | 825 | 9,545 | 3.8 | 934 | 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 | 235,405 | 100.0 | 2,043 | 243,725 | 100.0 | 3,056 | 244,811 | 100.0 | 2,719 | Yes |
| Drove alone | 187,995 | 79.9 | 1,878 | 196,771 | 80.7 | 3,264 | 198,386 | 81.0 | 2,850 | Yes |
| 2-person Carpool | 20,035 | 8.5 | 670 | 16,476 | 6.8 | 1,329 | 15,671 | 6.4 | 1,304 | Yes |
| 3-or-more-person Carpool | 4,090 | 1.7 | 305 | 5,064 | 2.1 | 663 | 4,246 | 1.7 | 656 | No |
| Transit | 6,345 | 2.7 | 380 | 6,767 | 2.8 | 746 | 6,860 | 2.8 | 820 | No |
| Bike | 395 | 0.2 | 95 | 457 | 0.2 | 188 | 716 | 0.3 | 270 | Yes |
| Walked | 9,045 | 3.8 | 453 | 7,687 | 3.2 | 747 | 8,819 | 3.6 | 907 | No |
| Taxi, Motorcycle and Other means | 1,560 | 0.7 | 189 | 1,862 | 0.8 | 550 | 2,147 | 0.9 | 580 | No |
| Worked at Home | 5,950 | 2.5 | 368 | 8,641 | 3.5 | 785 | 7,966 | 3.3 | 786 | 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
