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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 | 235,950 | 100.0 | 2,137 | 263,636 | 100.0 | 2,309 | 268,436 | 100.0 | 2,065 | Yes |
| Drove alone | 165,715 | 70.2 | 1,887 | 175,963 | 66.7 | 3,060 | 176,181 | 65.6 | 2,964 | Yes |
| 2-person Carpool | 19,630 | 8.3 | 713 | 20,704 | 7.9 | 1,558 | 19,811 | 7.4 | 1,715 | No |
| 3-or-more-person Carpool | 6,150 | 2.6 | 402 | 6,961 | 2.6 | 931 | 7,241 | 2.7 | 1,044 | No |
| Transit | 28,135 | 11.9 | 850 | 38,819 | 14.7 | 2,028 | 41,219 | 15.4 | 1,995 | Yes |
| Bike | 1,095 | 0.5 | 170 | 1,651 | 0.6 | 398 | 1,842 | 0.7 | 342 | Yes |
| Walked | 4,470 | 1.9 | 343 | 5,549 | 2.1 | 897 | 6,463 | 2.4 | 878 | Yes |
| Taxi, Motorcycle and Other means | 1,680 | 0.7 | 211 | 2,113 | 0.8 | 500 | 2,087 | 0.8 | 419 | No |
| Worked at Home | 9,080 | 3.8 | 488 | 11,876 | 4.5 | 1,062 | 13,592 | 5.1 | 852 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 219,380 | 100.0 | 2,087 | 240,301 | 100.0 | 2,374 | 250,151 | 100.0 | 2,233 | Yes |
| Drove alone | 148,220 | 67.6 | 1,807 | 159,145 | 66.2 | 2,793 | 161,478 | 64.6 | 2,669 | Yes |
| 2-person Carpool | 19,500 | 8.9 | 711 | 18,240 | 7.6 | 1,342 | 21,716 | 8.7 | 1,401 | Yes |
| 3-or-more-person Carpool | 4,525 | 2.1 | 346 | 4,196 | 1.7 | 644 | 5,100 | 2.0 | 635 | No |
| Transit | 28,780 | 13.1 | 859 | 36,597 | 15.2 | 1,699 | 39,474 | 15.8 | 1,666 | Yes |
| Bike | 140 | 0.1 | 61 | 341 | 0.1 | 170 | 416 | 0.2 | 129 | Yes |
| Walked | 4,340 | 2.0 | 338 | 6,000 | 2.5 | 748 | 4,514 | 1.8 | 617 | No |
| Taxi, Motorcycle and Other means | 1,029 | 0.5 | 165 | 1,445 | 0.6 | 389 | 1,744 | 0.7 | 418 | Yes |
| Worked at Home | 12,855 | 5.9 | 580 | 14,337 | 6.0 | 1,015 | 15,709 | 6.3 | 1,060 | 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
