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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 | 152,510 | 100.0 | 1,354 | 152,969 | 100.0 | 1,827 | 148,176 | 100.0 | 2,021 | Yes |
| Drove alone | 128,440 | 84.2 | 1,278 | 124,430 | 81.3 | 1,947 | 121,491 | 82.0 | 1,930 | Yes |
| 2-person Carpool | 11,315 | 7.4 | 426 | 11,725 | 7.7 | 1,053 | 9,847 | 6.6 | 871 | Yes |
| 3-or-more-person Carpool | 2,935 | 1.9 | 219 | 3,651 | 2.4 | 635 | 2,916 | 2.0 | 480 | No |
| Transit | 1,729 | 1.1 | 168 | 2,201 | 1.4 | 406 | 2,912 | 2.0 | 583 | Yes |
| Bike | 570 | 0.4 | 97 | 1,564 | 1.0 | 374 | 1,124 | 0.8 | 304 | Yes |
| Walked | 3,245 | 2.1 | 230 | 2,556 | 1.7 | 430 | 2,790 | 1.9 | 515 | No |
| Taxi, Motorcycle and Other means | 1,305 | 0.9 | 146 | 1,182 | 0.8 | 341 | 1,389 | 0.9 | 301 | No |
| Worked at Home | 2,970 | 1.9 | 220 | 5,660 | 3.7 | 873 | 5,707 | 3.9 | 679 | 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 | 131,725 | 100.0 | 1,289 | 134,211 | 100.0 | 1,717 | 134,539 | 100.0 | 1,887 | Yes |
| Drove alone | 108,510 | 82.4 | 1,200 | 110,776 | 82.5 | 1,943 | 111,885 | 83.2 | 1,910 | Yes |
| 2-person Carpool | 10,650 | 8.1 | 414 | 9,466 | 7.1 | 935 | 9,322 | 6.9 | 913 | Yes |
| 3-or-more-person Carpool | 2,145 | 1.6 | 187 | 2,110 | 1.6 | 434 | 2,491 | 1.9 | 441 | No |
| Transit | 1,264 | 1.0 | 144 | 2,435 | 1.8 | 588 | 2,035 | 1.5 | 392 | Yes |
| Bike | 100 | 0.1 | 40 | 236 | 0.2 | 105 | 150 | 0.1 | 81 | No |
| Walked | 2,700 | 2.0 | 210 | 2,363 | 1.8 | 426 | 2,375 | 1.8 | 425 | No |
| Taxi, Motorcycle and Other means | 830 | 0.6 | 116 | 589 | 0.4 | 222 | 425 | 0.3 | 172 | Yes |
| Worked at Home | 5,530 | 4.2 | 299 | 6,236 | 4.6 | 631 | 5,856 | 4.4 | 640 | No |
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
