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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 | 172,285 | 100.0 | 1,702 | 171,108 | 100.0 | 1,710 | 172,248 | 100.0 | 2,093 | No |
| Drove alone | 128,360 | 74.5 | 1,535 | 123,230 | 72.0 | 2,223 | 124,349 | 72.2 | 2,297 | Yes |
| 2-person Carpool | 10,540 | 6.1 | 487 | 9,198 | 5.4 | 961 | 10,120 | 5.9 | 911 | No |
| 3-or-more-person Carpool | 1,945 | 1.1 | 211 | 2,617 | 1.5 | 497 | 1,936 | 1.1 | 472 | No |
| Transit | 19,505 | 11.3 | 658 | 22,078 | 12.9 | 1,293 | 20,862 | 12.1 | 1,328 | No |
| Bike | 640 | 0.4 | 121 | 995 | 0.6 | 292 | 1,429 | 0.8 | 401 | Yes |
| Walked | 4,665 | 2.7 | 325 | 5,069 | 3.0 | 639 | 4,768 | 2.8 | 681 | No |
| Taxi, Motorcycle and Other means | 1,130 | 0.7 | 161 | 1,165 | 0.7 | 293 | 1,426 | 0.8 | 312 | No |
| Worked at Home | 5,495 | 3.2 | 353 | 6,756 | 3.9 | 713 | 7,358 | 4.3 | 797 | 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 | 159,370 | 100.0 | 1,659 | 162,446 | 100.0 | 1,963 | 166,519 | 100.0 | 2,086 | Yes |
| Drove alone | 113,380 | 71.1 | 1,463 | 114,462 | 70.5 | 2,038 | 119,235 | 71.6 | 2,026 | Yes |
| 2-person Carpool | 10,430 | 6.5 | 484 | 8,855 | 5.5 | 795 | 8,716 | 5.2 | 816 | Yes |
| 3-or-more-person Carpool | 1,745 | 1.1 | 199 | 2,549 | 1.6 | 541 | 2,172 | 1.3 | 411 | No |
| Transit | 21,035 | 13.2 | 682 | 21,446 | 13.2 | 1,434 | 20,707 | 12.4 | 1,272 | No |
| Bike | 235 | 0.1 | 73 | 609 | 0.4 | 211 | 411 | 0.2 | 145 | Yes |
| Walked | 5,305 | 3.3 | 347 | 6,952 | 4.3 | 820 | 6,735 | 4.0 | 786 | Yes |
| Taxi, Motorcycle and Other means | 750 | 0.5 | 131 | 788 | 0.5 | 268 | 933 | 0.6 | 277 | No |
| Worked at Home | 6,480 | 4.1 | 383 | 6,785 | 4.2 | 716 | 7,610 | 4.6 | 761 | 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
