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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 | 228,175 | 100.0 | 2,067 | 239,395 | 100.0 | 2,537 | 238,650 | 100.0 | 2,733 | Yes |
| Drove alone | 99,780 | 43.7 | 1,519 | 95,595 | 39.9 | 2,767 | 92,512 | 38.8 | 3,052 | Yes |
| 2-person Carpool | 17,365 | 7.6 | 671 | 12,852 | 5.4 | 1,170 | 12,900 | 5.4 | 1,274 | Yes |
| 3-or-more-person Carpool | 5,285 | 2.3 | 373 | 5,067 | 2.1 | 997 | 3,788 | 1.6 | 765 | Yes |
| Transit | 62,130 | 27.2 | 1,231 | 71,632 | 29.9 | 3,100 | 73,407 | 30.8 | 2,620 | Yes |
| Bike | 6,270 | 2.7 | 406 | 8,718 | 3.6 | 1,123 | 10,639 | 4.5 | 1,519 | Yes |
| Walked | 21,255 | 9.3 | 740 | 23,749 | 9.9 | 2,099 | 21,822 | 9.1 | 1,495 | No |
| Taxi, Motorcycle and Other means | 5,605 | 2.5 | 384 | 5,637 | 2.4 | 750 | 6,631 | 2.8 | 869 | Yes |
| Worked at Home | 10,490 | 4.6 | 524 | 16,145 | 6.7 | 1,281 | 16,951 | 7.1 | 1,444 | 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 | 190,380 | 100.0 | 1,952 | 202,939 | 100.0 | 2,771 | 202,613 | 100.0 | 2,393 | Yes |
| Drove alone | 69,730 | 36.6 | 1,297 | 73,665 | 36.3 | 2,614 | 69,122 | 34.1 | 2,274 | No |
| 2-person Carpool | 16,960 | 8.9 | 663 | 11,348 | 5.6 | 938 | 13,958 | 6.9 | 1,328 | Yes |
| 3-or-more-person Carpool | 5,540 | 2.9 | 382 | 4,026 | 2.0 | 678 | 3,109 | 1.5 | 513 | Yes |
| Transit | 66,630 | 35.0 | 1,271 | 73,002 | 36.0 | 2,738 | 72,080 | 35.6 | 2,717 | Yes |
| Bike | 2,035 | 1.1 | 232 | 3,762 | 1.9 | 694 | 5,300 | 2.6 | 766 | Yes |
| Walked | 17,940 | 9.4 | 682 | 20,567 | 10.1 | 1,674 | 20,702 | 10.2 | 1,351 | Yes |
| Taxi, Motorcycle and Other means | 2,655 | 1.4 | 265 | 2,782 | 1.4 | 575 | 4,002 | 2.0 | 684 | Yes |
| Worked at Home | 8,890 | 4.7 | 483 | 13,787 | 6.8 | 1,243 | 14,340 | 7.1 | 1,327 | 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
