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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 | 139,635 | 100.0 | 1,561 | 164,808 | 100.0 | 2,821 | 156,293 | 100.0 | 2,658 | Yes |
| Drove alone | 63,350 | 45.4 | 1,137 | 67,249 | 40.8 | 2,672 | 61,989 | 39.7 | 1,929 | No |
| 2-person Carpool | 9,355 | 6.7 | 459 | 8,210 | 5.0 | 1,191 | 8,699 | 5.6 | 998 | No |
| 3-or-more-person Carpool | 2,770 | 2.0 | 251 | 3,493 | 2.1 | 715 | 2,513 | 1.6 | 557 | No |
| Transit | 40,065 | 28.7 | 924 | 53,250 | 32.3 | 2,452 | 49,101 | 31.4 | 2,401 | Yes |
| Bike | 2,100 | 1.5 | 219 | 3,378 | 2.0 | 703 | 3,823 | 2.4 | 712 | Yes |
| Walked | 17,335 | 12.4 | 620 | 22,111 | 13.4 | 1,478 | 23,728 | 15.2 | 1,403 | Yes |
| Taxi, Motorcycle and Other means | 1,500 | 1.1 | 185 | 1,865 | 1.1 | 506 | 1,231 | 0.8 | 346 | No |
| Worked at Home | 3,160 | 2.3 | 268 | 5,252 | 3.2 | 722 | 5,209 | 3.3 | 694 | 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 | 138,825 | 100.0 | 1,558 | 166,805 | 100.0 | 2,490 | 159,084 | 100.0 | 2,198 | Yes |
| Drove alone | 52,270 | 37.7 | 1,044 | 64,695 | 38.8 | 2,452 | 58,051 | 36.5 | 2,183 | Yes |
| 2-person Carpool | 10,660 | 7.7 | 489 | 8,913 | 5.3 | 1,102 | 8,767 | 5.5 | 952 | Yes |
| 3-or-more-person Carpool | 2,885 | 2.1 | 256 | 3,283 | 2.0 | 703 | 2,619 | 1.6 | 507 | No |
| Transit | 48,645 | 35.0 | 1,010 | 56,930 | 34.1 | 2,449 | 55,794 | 35.1 | 2,114 | Yes |
| Bike | 605 | 0.4 | 118 | 1,671 | 1.0 | 444 | 1,718 | 1.1 | 316 | Yes |
| Walked | 18,990 | 13.7 | 648 | 24,110 | 14.5 | 1,448 | 24,449 | 15.4 | 1,596 | Yes |
| Taxi, Motorcycle and Other means | 1,345 | 1.0 | 175 | 1,968 | 1.2 | 598 | 1,015 | 0.6 | 314 | No |
| Worked at Home | 3,435 | 2.5 | 279 | 5,235 | 3.1 | 645 | 6,671 | 4.2 | 765 | 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
