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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 | 154,280 | 100.0 | 1,458 | 149,764 | 100.0 | 1,799 | 144,497 | 100.0 | 1,756 | Yes |
| Drove alone | 124,195 | 80.5 | 1,360 | 115,410 | 77.1 | 2,078 | 112,671 | 78.0 | 1,945 | Yes |
| 2-person Carpool | 12,690 | 8.2 | 491 | 10,831 | 7.2 | 976 | 9,775 | 6.8 | 879 | Yes |
| 3-or-more-person Carpool | 2,340 | 1.5 | 213 | 2,795 | 1.9 | 668 | 2,219 | 1.5 | 439 | No |
| Transit | 4,735 | 3.1 | 302 | 5,186 | 3.5 | 732 | 4,684 | 3.2 | 710 | No |
| Bike | 525 | 0.3 | 101 | 1,455 | 1.0 | 380 | 1,534 | 1.1 | 428 | Yes |
| Walked | 2,015 | 1.3 | 198 | 2,330 | 1.6 | 404 | 2,066 | 1.4 | 431 | No |
| Taxi, Motorcycle and Other means | 1,310 | 0.8 | 160 | 2,560 | 1.7 | 509 | 2,675 | 1.9 | 451 | Yes |
| Worked at Home | 6,470 | 4.2 | 353 | 9,197 | 6.1 | 844 | 8,873 | 6.1 | 775 | 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 | 132,025 | 100.0 | 1,389 | 132,539 | 100.0 | 1,892 | 130,617 | 100.0 | 1,650 | No |
| Drove alone | 103,650 | 78.5 | 1,274 | 102,323 | 77.2 | 2,138 | 102,798 | 78.7 | 1,765 | No |
| 2-person Carpool | 11,055 | 8.4 | 459 | 10,699 | 8.1 | 1,128 | 8,479 | 6.5 | 829 | Yes |
| 3-or-more-person Carpool | 2,290 | 1.7 | 211 | 1,883 | 1.4 | 388 | 2,287 | 1.8 | 425 | No |
| Transit | 4,625 | 3.5 | 299 | 4,857 | 3.7 | 696 | 3,793 | 2.9 | 502 | Yes |
| Bike | 175 | 0.1 | 58 | 345 | 0.3 | 202 | 339 | 0.3 | 191 | No |
| Walked | 1,625 | 1.2 | 178 | 2,578 | 1.9 | 528 | 1,851 | 1.4 | 428 | No |
| Taxi, Motorcycle and Other means | 580 | 0.4 | 106 | 980 | 0.7 | 275 | 1,128 | 0.9 | 313 | Yes |
| Worked at Home | 8,025 | 6.1 | 392 | 8,874 | 6.7 | 809 | 9,942 | 7.6 | 890 | 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
