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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 | 242,655 | 100.0 | 2,166 | 258,581 | 100.0 | 2,898 | 246,019 | 100.0 | 2,910 | No |
| Drove alone | 187,910 | 77.4 | 1,984 | 202,749 | 78.4 | 3,148 | 196,567 | 79.9 | 3,037 | Yes |
| 2-person Carpool | 24,675 | 10.2 | 798 | 20,821 | 8.1 | 1,607 | 18,672 | 7.6 | 1,200 | Yes |
| 3-or-more-person Carpool | 7,245 | 3.0 | 437 | 5,035 | 1.9 | 841 | 4,663 | 1.9 | 714 | Yes |
| Transit | 10,085 | 4.2 | 514 | 9,199 | 3.6 | 1,079 | 7,177 | 2.9 | 1,031 | Yes |
| Bike | 2,320 | 1.0 | 248 | 3,359 | 1.3 | 778 | 3,013 | 1.2 | 750 | No |
| Walked | 3,450 | 1.4 | 302 | 4,630 | 1.8 | 841 | 3,810 | 1.5 | 681 | No |
| Taxi, Motorcycle and Other means | 2,545 | 1.0 | 259 | 5,222 | 2.0 | 1,082 | 3,747 | 1.5 | 627 | Yes |
| Worked at Home | 4,430 | 1.8 | 342 | 7,566 | 2.9 | 776 | 8,370 | 3.4 | 908 | 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 | 185,330 | 100.0 | 1,974 | 191,203 | 100.0 | 3,068 | 200,118 | 100.0 | 2,970 | Yes |
| Drove alone | 139,020 | 75.0 | 1,765 | 145,636 | 76.2 | 2,402 | 153,391 | 76.7 | 2,823 | Yes |
| 2-person Carpool | 22,355 | 12.1 | 760 | 17,851 | 9.3 | 1,310 | 19,053 | 9.5 | 1,409 | Yes |
| 3-or-more-person Carpool | 5,905 | 3.2 | 394 | 3,814 | 2.0 | 576 | 4,487 | 2.2 | 639 | Yes |
| Transit | 7,249 | 3.9 | 437 | 7,267 | 3.8 | 963 | 8,029 | 4.0 | 909 | No |
| Bike | 315 | 0.2 | 91 | 867 | 0.5 | 275 | 867 | 0.4 | 269 | Yes |
| Walked | 2,720 | 1.5 | 268 | 3,955 | 2.1 | 643 | 3,243 | 1.6 | 472 | No |
| Taxi, Motorcycle and Other means | 1,550 | 0.8 | 203 | 3,137 | 1.6 | 663 | 1,437 | 0.7 | 362 | No |
| Worked at Home | 6,220 | 3.4 | 405 | 8,676 | 4.5 | 928 | 9,611 | 4.8 | 807 | 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
