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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 | 199,155 | 100.0 | 1,858 | 211,505 | 100.0 | 2,062 | 203,104 | 100.0 | 2,546 | Yes |
| Drove alone | 162,290 | 81.5 | 1,726 | 170,111 | 80.4 | 2,414 | 160,345 | 78.9 | 2,299 | No |
| 2-person Carpool | 15,335 | 7.7 | 587 | 14,101 | 6.7 | 1,004 | 12,652 | 6.2 | 1,011 | Yes |
| 3-or-more-person Carpool | 3,685 | 1.9 | 290 | 4,073 | 1.9 | 619 | 4,401 | 2.2 | 842 | No |
| Transit | 5,080 | 2.6 | 340 | 6,501 | 3.1 | 841 | 8,555 | 4.2 | 1,046 | Yes |
| Bike | 680 | 0.3 | 125 | 1,228 | 0.6 | 340 | 1,648 | 0.8 | 369 | Yes |
| Walked | 6,225 | 3.1 | 376 | 6,942 | 3.3 | 816 | 6,987 | 3.4 | 929 | No |
| Taxi, Motorcycle and Other means | 1,370 | 0.7 | 177 | 2,157 | 1.0 | 573 | 1,911 | 0.9 | 491 | Yes |
| Worked at Home | 4,490 | 2.3 | 320 | 6,392 | 3.0 | 653 | 6,605 | 3.3 | 724 | 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 | 188,895 | 100.0 | 1,825 | 201,598 | 100.0 | 2,603 | 203,273 | 100.0 | 2,337 | Yes |
| Drove alone | 150,695 | 79.8 | 1,678 | 161,651 | 80.2 | 2,296 | 162,826 | 80.1 | 2,376 | Yes |
| 2-person Carpool | 15,295 | 8.1 | 586 | 13,259 | 6.6 | 1,003 | 13,293 | 6.5 | 1,169 | Yes |
| 3-or-more-person Carpool | 3,460 | 1.8 | 281 | 2,815 | 1.4 | 562 | 3,069 | 1.5 | 532 | No |
| Transit | 7,015 | 3.7 | 399 | 8,277 | 4.1 | 813 | 8,552 | 4.2 | 869 | Yes |
| Bike | 255 | 0.1 | 76 | 655 | 0.3 | 243 | 514 | 0.3 | 180 | Yes |
| Walked | 6,135 | 3.2 | 373 | 6,268 | 3.1 | 804 | 6,559 | 3.2 | 788 | No |
| Taxi, Motorcycle and Other means | 970 | 0.5 | 149 | 2,155 | 1.1 | 505 | 1,404 | 0.7 | 405 | Yes |
| Worked at Home | 5,070 | 2.7 | 339 | 6,518 | 3.2 | 707 | 7,056 | 3.5 | 758 | 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
