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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 | 839,760 | 100.0 | 3,225 | 897,617 | 100.0 | 4,429 | 899,189 | 100.0 | 4,334 | Yes |
| Drove alone | 670,705 | 79.9 | 2,974 | 715,143 | 79.7 | 5,035 | 726,728 | 80.8 | 5,089 | Yes |
| 2-person Carpool | 86,205 | 10.3 | 1,173 | 84,207 | 9.4 | 2,554 | 77,473 | 8.6 | 2,297 | Yes |
| 3-or-more-person Carpool | 24,370 | 2.9 | 629 | 24,035 | 2.7 | 1,631 | 23,971 | 2.7 | 1,819 | No |
| Transit | 3,380 | 0.4 | 235 | 3,651 | 0.4 | 657 | 4,113 | 0.5 | 563 | Yes |
| Bike | 2,300 | 0.3 | 194 | 2,683 | 0.3 | 554 | 3,242 | 0.4 | 481 | Yes |
| Walked | 19,550 | 2.3 | 564 | 19,889 | 2.2 | 1,157 | 18,009 | 2.0 | 1,236 | Yes |
| Taxi, Motorcycle and Other means | 10,755 | 1.3 | 419 | 14,841 | 1.7 | 1,198 | 13,958 | 1.6 | 1,103 | Yes |
| Worked at Home | 22,495 | 2.7 | 605 | 33,168 | 3.7 | 1,549 | 31,695 | 3.5 | 1,740 | 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 | 700,030 | 100.0 | 3,023 | 762,609 | 100.0 | 4,756 | 766,192 | 100.0 | 4,540 | Yes |
| Drove alone | 561,005 | 80.1 | 2,773 | 628,778 | 82.5 | 4,962 | 635,128 | 82.9 | 4,794 | Yes |
| 2-person Carpool | 73,335 | 10.5 | 1,084 | 67,162 | 8.8 | 2,096 | 63,315 | 8.3 | 2,149 | Yes |
| 3-or-more-person Carpool | 19,530 | 2.8 | 564 | 17,469 | 2.3 | 1,185 | 14,706 | 1.9 | 920 | Yes |
| Transit | 2,800 | 0.4 | 214 | 3,482 | 0.5 | 584 | 3,949 | 0.5 | 627 | Yes |
| Bike | 610 | 0.1 | 100 | 1,201 | 0.2 | 365 | 990 | 0.1 | 292 | Yes |
| Walked | 13,245 | 1.9 | 465 | 12,569 | 1.6 | 987 | 13,225 | 1.7 | 1,121 | No |
| Taxi, Motorcycle and Other means | 4,440 | 0.6 | 269 | 5,449 | 0.7 | 696 | 5,773 | 0.8 | 679 | Yes |
| Worked at Home | 25,060 | 3.6 | 638 | 26,499 | 3.5 | 1,362 | 29,106 | 3.8 | 1,352 | 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