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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 | 170,260 | 100.0 | 1,450 | 173,383 | 100.0 | 1,801 | 174,434 | 100.0 | 2,314 | Yes |
| Drove alone | 138,385 | 81.3 | 1,347 | 141,173 | 81.4 | 2,144 | 143,158 | 82.1 | 2,551 | Yes |
| 2-person Carpool | 14,935 | 8.8 | 489 | 12,798 | 7.4 | 1,147 | 11,298 | 6.5 | 850 | Yes |
| 3-or-more-person Carpool | 3,520 | 2.1 | 239 | 3,123 | 1.8 | 664 | 3,162 | 1.8 | 720 | No |
| Transit | 4,425 | 2.6 | 268 | 5,688 | 3.3 | 799 | 5,568 | 3.2 | 917 | Yes |
| Bike | 620 | 0.4 | 101 | 836 | 0.5 | 283 | 749 | 0.4 | 205 | No |
| Walked | 3,760 | 2.2 | 247 | 3,395 | 2.0 | 528 | 3,747 | 2.1 | 551 | No |
| Taxi, Motorcycle and Other means | 1,335 | 0.8 | 148 | 1,765 | 1.0 | 377 | 2,045 | 1.2 | 483 | Yes |
| Worked at Home | 3,275 | 1.9 | 231 | 4,605 | 2.7 | 618 | 4,707 | 2.7 | 600 | 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 | 158,830 | 100.0 | 1,416 | 164,898 | 100.0 | 2,585 | 165,860 | 100.0 | 2,627 | Yes |
| Drove alone | 127,590 | 80.3 | 1,306 | 133,473 | 80.9 | 2,755 | 136,429 | 82.3 | 2,441 | Yes |
| 2-person Carpool | 14,675 | 9.2 | 485 | 12,745 | 7.7 | 885 | 11,791 | 7.1 | 901 | Yes |
| 3-or-more-person Carpool | 3,200 | 2.0 | 228 | 2,626 | 1.6 | 382 | 2,208 | 1.3 | 466 | Yes |
| Transit | 5,520 | 3.5 | 299 | 6,522 | 4.0 | 782 | 4,466 | 2.7 | 570 | Yes |
| Bike | 120 | 0.1 | 44 | 432 | 0.3 | 202 | 349 | 0.2 | 279 | No |
| Walked | 2,795 | 1.8 | 213 | 3,597 | 2.2 | 597 | 2,662 | 1.6 | 461 | No |
| Taxi, Motorcycle and Other means | 865 | 0.5 | 119 | 1,067 | 0.6 | 347 | 1,781 | 1.1 | 497 | Yes |
| Worked at Home | 4,070 | 2.6 | 257 | 4,436 | 2.7 | 577 | 6,174 | 3.7 | 746 | 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
