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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 | 365,245 | 100.0 | 2,107 | 389,206 | 100.0 | 3,285 | 375,430 | 100.0 | 2,759 | Yes |
| Drove alone | 279,070 | 76.4 | 1,916 | 302,943 | 77.8 | 3,652 | 288,981 | 77.0 | 3,399 | Yes |
| 2-person Carpool | 30,445 | 8.3 | 698 | 27,076 | 7.0 | 1,665 | 24,697 | 6.6 | 1,688 | Yes |
| 3-or-more-person Carpool | 8,060 | 2.2 | 362 | 7,932 | 2.0 | 974 | 8,235 | 2.2 | 1,206 | No |
| Transit | 28,870 | 7.9 | 680 | 27,534 | 7.1 | 1,597 | 27,526 | 7.3 | 1,396 | No |
| Bike | 1,265 | 0.3 | 144 | 1,134 | 0.3 | 332 | 1,504 | 0.4 | 530 | No |
| Walked | 5,855 | 1.6 | 309 | 5,224 | 1.3 | 708 | 6,874 | 1.8 | 991 | No |
| Taxi, Motorcycle and Other means | 2,960 | 0.8 | 220 | 3,579 | 0.9 | 682 | 3,496 | 0.9 | 590 | No |
| Worked at Home | 8,720 | 2.4 | 377 | 13,784 | 3.5 | 1,194 | 14,117 | 3.8 | 1,040 | 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 | 305,160 | 100.0 | 1,980 | 335,614 | 100.0 | 3,330 | 332,613 | 100.0 | 3,536 | Yes |
| Drove alone | 244,465 | 80.1 | 1,820 | 274,053 | 81.7 | 3,012 | 271,218 | 81.5 | 3,639 | Yes |
| 2-person Carpool | 24,100 | 7.9 | 623 | 21,531 | 6.4 | 1,332 | 19,754 | 5.9 | 1,166 | Yes |
| 3-or-more-person Carpool | 4,310 | 1.4 | 265 | 4,103 | 1.2 | 636 | 4,313 | 1.3 | 672 | No |
| Transit | 14,985 | 4.9 | 493 | 16,744 | 5.0 | 1,284 | 16,477 | 5.0 | 1,200 | Yes |
| Bike | 195 | 0.1 | 56 | 356 | 0.1 | 178 | 372 | 0.1 | 171 | No |
| Walked | 5,230 | 1.7 | 292 | 4,872 | 1.5 | 640 | 4,224 | 1.3 | 569 | Yes |
| Taxi, Motorcycle and Other means | 2,800 | 0.9 | 214 | 2,154 | 0.6 | 495 | 4,223 | 1.3 | 654 | Yes |
| Worked at Home | 9,080 | 3.0 | 384 | 11,801 | 3.5 | 1,221 | 12,032 | 3.6 | 1,086 | 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
