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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 | 621,550 | 100.0 | 2,827 | 672,225 | 100.0 | 4,909 | 618,704 | 100.0 | 5,326 | No |
| Drove alone | 337,545 | 54.3 | 2,210 | 361,205 | 53.7 | 4,623 | 325,217 | 52.6 | 5,482 | Yes |
| 2-person Carpool | 61,095 | 9.8 | 990 | 50,270 | 7.5 | 2,104 | 41,611 | 6.7 | 2,423 | Yes |
| 3-or-more-person Carpool | 25,685 | 4.1 | 646 | 17,660 | 2.6 | 1,622 | 15,014 | 2.4 | 1,276 | Yes |
| Transit | 137,030 | 22.0 | 1,462 | 159,044 | 23.7 | 4,043 | 148,500 | 24.0 | 3,491 | Yes |
| Bike | 4,605 | 0.7 | 274 | 11,014 | 1.6 | 1,067 | 12,030 | 1.9 | 1,032 | Yes |
| Walked | 32,275 | 5.2 | 723 | 36,233 | 5.4 | 1,915 | 39,048 | 6.3 | 1,880 | Yes |
| Taxi, Motorcycle and Other means | 10,160 | 1.6 | 407 | 10,082 | 1.5 | 1,057 | 10,318 | 1.7 | 1,138 | No |
| Worked at Home | 13,155 | 2.1 | 463 | 26,717 | 4.0 | 1,608 | 26,966 | 4.4 | 1,913 | 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 | 570,585 | 100.0 | 2,739 | 619,484 | 100.0 | 5,410 | 577,512 | 100.0 | 5,264 | Yes |
| Drove alone | 260,050 | 45.6 | 1,969 | 291,729 | 47.1 | 4,246 | 274,468 | 47.5 | 3,576 | Yes |
| 2-person Carpool | 61,815 | 10.8 | 995 | 48,252 | 7.8 | 1,950 | 40,418 | 7.0 | 1,874 | Yes |
| 3-or-more-person Carpool | 24,125 | 4.2 | 626 | 14,101 | 2.3 | 1,230 | 12,826 | 2.2 | 1,110 | Yes |
| Transit | 164,185 | 28.8 | 1,592 | 189,221 | 30.5 | 4,302 | 171,739 | 29.7 | 3,724 | Yes |
| Bike | 1,350 | 0.2 | 149 | 3,542 | 0.6 | 499 | 4,865 | 0.8 | 668 | Yes |
| Walked | 35,285 | 6.2 | 755 | 38,564 | 6.2 | 2,018 | 40,432 | 7.0 | 1,742 | Yes |
| Taxi, Motorcycle and Other means | 8,760 | 1.5 | 378 | 8,787 | 1.4 | 902 | 7,147 | 1.2 | 964 | Yes |
| Worked at Home | 15,010 | 2.6 | 494 | 25,288 | 4.1 | 1,574 | 25,617 | 4.4 | 1,387 | 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
