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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 | 574,385 | 100.0 | 2,640 | 647,720 | 100.0 | 4,260 | 612,425 | 100.0 | 3,778 | Yes |
| Drove alone | 427,570 | 74.4 | 2,377 | 503,634 | 77.8 | 4,913 | 481,182 | 78.6 | 4,942 | Yes |
| 2-person Carpool | 63,945 | 11.1 | 1,008 | 59,322 | 9.2 | 2,615 | 50,653 | 8.3 | 2,244 | Yes |
| 3-or-more-person Carpool | 33,325 | 5.8 | 733 | 28,350 | 4.4 | 2,795 | 20,841 | 3.4 | 1,882 | Yes |
| Transit | 17,010 | 3.0 | 526 | 16,044 | 2.5 | 1,390 | 14,656 | 2.4 | 1,292 | Yes |
| Bike | 1,210 | 0.2 | 141 | 1,303 | 0.2 | 459 | 1,630 | 0.3 | 422 | No |
| Walked | 10,025 | 1.7 | 404 | 9,221 | 1.4 | 1,237 | 8,781 | 1.4 | 1,023 | Yes |
| Taxi, Motorcycle and Other means | 7,370 | 1.3 | 347 | 9,031 | 1.4 | 1,253 | 11,162 | 1.8 | 1,641 | Yes |
| Worked at Home | 13,930 | 2.4 | 476 | 20,815 | 3.2 | 1,523 | 23,520 | 3.8 | 1,437 | 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 | 464,395 | 100.0 | 2,452 | 486,156 | 100.0 | 4,358 | 499,661 | 100.0 | 4,288 | Yes |
| Drove alone | 349,805 | 75.3 | 2,196 | 386,662 | 79.5 | 4,600 | 399,096 | 79.9 | 3,704 | Yes |
| 2-person Carpool | 55,225 | 11.9 | 939 | 43,604 | 9.0 | 2,037 | 41,738 | 8.4 | 2,408 | Yes |
| 3-or-more-person Carpool | 14,770 | 3.2 | 490 | 8,663 | 1.8 | 975 | 9,561 | 1.9 | 875 | Yes |
| Transit | 19,005 | 4.1 | 555 | 18,000 | 3.7 | 1,380 | 16,152 | 3.2 | 1,341 | Yes |
| Bike | 140 | 0.0 | 48 | 189 | 0.0 | 103 | 202 | 0.0 | 97 | No |
| Walked | 7,365 | 1.6 | 347 | 8,207 | 1.7 | 940 | 6,986 | 1.4 | 845 | No |
| Taxi, Motorcycle and Other means | 3,630 | 0.8 | 244 | 4,273 | 0.9 | 630 | 6,059 | 1.2 | 995 | Yes |
| Worked at Home | 14,450 | 3.1 | 485 | 16,558 | 3.4 | 1,069 | 19,867 | 4.0 | 1,162 | 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
