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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 | 326,845 | 100.0 | 2,000 | 380,992 | 100.0 | 2,895 | 368,071 | 100.0 | 3,552 | Yes |
| Drove alone | 250,855 | 76.8 | 1,820 | 282,308 | 74.1 | 3,496 | 280,536 | 76.2 | 3,715 | Yes |
| 2-person Carpool | 32,150 | 9.8 | 716 | 35,527 | 9.3 | 1,922 | 28,688 | 7.8 | 1,500 | Yes |
| 3-or-more-person Carpool | 8,625 | 2.6 | 375 | 11,373 | 3.0 | 1,000 | 9,285 | 2.5 | 862 | No |
| Transit | 4,120 | 1.3 | 259 | 4,140 | 1.1 | 539 | 3,602 | 1.0 | 531 | No |
| Bike | 3,010 | 0.9 | 222 | 6,337 | 1.7 | 860 | 5,135 | 1.4 | 764 | Yes |
| Walked | 11,795 | 3.6 | 437 | 12,871 | 3.4 | 1,320 | 12,375 | 3.4 | 1,021 | No |
| Taxi, Motorcycle and Other means | 3,375 | 1.0 | 235 | 9,235 | 2.4 | 858 | 7,055 | 1.9 | 817 | Yes |
| Worked at Home | 12,910 | 3.9 | 457 | 19,201 | 5.0 | 1,176 | 21,395 | 5.8 | 1,361 | 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 | 267,810 | 100.0 | 1,865 | 312,656 | 100.0 | 3,189 | 312,020 | 100.0 | 3,216 | Yes |
| Drove alone | 207,130 | 77.3 | 1,688 | 243,054 | 77.7 | 3,054 | 246,817 | 79.1 | 2,985 | Yes |
| 2-person Carpool | 25,525 | 9.5 | 640 | 27,221 | 8.7 | 1,371 | 22,187 | 7.1 | 1,392 | Yes |
| 3-or-more-person Carpool | 6,980 | 2.6 | 337 | 7,891 | 2.5 | 744 | 7,712 | 2.5 | 909 | No |
| Transit | 1,959 | 0.7 | 179 | 2,494 | 0.8 | 489 | 1,681 | 0.5 | 353 | No |
| Bike | 930 | 0.3 | 123 | 2,696 | 0.9 | 522 | 2,408 | 0.8 | 461 | Yes |
| Walked | 8,950 | 3.3 | 381 | 8,838 | 2.8 | 789 | 9,151 | 2.9 | 930 | No |
| Taxi, Motorcycle and Other means | 1,235 | 0.5 | 142 | 3,096 | 1.0 | 591 | 2,444 | 0.8 | 564 | Yes |
| Worked at Home | 15,105 | 5.6 | 494 | 17,366 | 5.6 | 1,108 | 19,620 | 6.3 | 1,339 | 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
