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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 | 159,605 | 100.0 | 1,396 | 186,044 | 100.0 | 2,021 | 192,288 | 100.0 | 2,122 | Yes |
| Drove alone | 106,025 | 66.4 | 1,201 | 120,223 | 64.6 | 2,197 | 124,886 | 64.9 | 2,381 | Yes |
| 2-person Carpool | 18,195 | 11.4 | 538 | 19,217 | 10.3 | 1,522 | 17,653 | 9.2 | 1,282 | No |
| 3-or-more-person Carpool | 4,850 | 3.0 | 281 | 5,784 | 3.1 | 846 | 5,603 | 2.9 | 933 | No |
| Transit | 2,229 | 1.4 | 191 | 2,573 | 1.4 | 408 | 3,246 | 1.7 | 529 | Yes |
| Bike | 1,255 | 0.8 | 143 | 2,045 | 1.1 | 448 | 2,920 | 1.5 | 516 | Yes |
| Walked | 12,320 | 7.7 | 445 | 16,743 | 9.0 | 1,368 | 16,599 | 8.6 | 1,567 | Yes |
| Taxi, Motorcycle and Other means | 9,660 | 6.1 | 395 | 8,432 | 4.5 | 727 | 10,811 | 5.6 | 852 | Yes |
| Worked at Home | 5,075 | 3.2 | 287 | 11,027 | 5.9 | 1,606 | 10,570 | 5.5 | 1,114 | 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 | 130,990 | 100.0 | 1,302 | 149,510 | 100.0 | 1,907 | 157,279 | 100.0 | 2,262 | Yes |
| Drove alone | 87,140 | 66.5 | 1,108 | 104,566 | 69.9 | 2,267 | 109,551 | 69.7 | 2,127 | Yes |
| 2-person Carpool | 17,310 | 13.2 | 525 | 17,218 | 11.5 | 1,186 | 17,702 | 11.3 | 1,256 | No |
| 3-or-more-person Carpool | 4,660 | 3.6 | 275 | 3,167 | 2.1 | 493 | 4,102 | 2.6 | 681 | No |
| Transit | 1,894 | 1.4 | 176 | 2,515 | 1.7 | 473 | 2,333 | 1.5 | 435 | No |
| Bike | 325 | 0.2 | 73 | 958 | 0.6 | 265 | 921 | 0.6 | 220 | Yes |
| Walked | 8,975 | 6.9 | 381 | 9,963 | 6.7 | 691 | 10,127 | 6.4 | 735 | Yes |
| Taxi, Motorcycle and Other means | 3,770 | 2.9 | 248 | 4,041 | 2.7 | 423 | 4,382 | 2.8 | 433 | Yes |
| Worked at Home | 6,905 | 5.3 | 334 | 7,082 | 4.7 | 788 | 8,161 | 5.2 | 812 | 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
