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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 | 191,360 | 100.0 | 1,806 | 205,418 | 100.0 | 2,108 | 197,793 | 100.0 | 2,377 | Yes |
| Drove alone | 158,750 | 83.0 | 1,692 | 167,187 | 81.4 | 2,545 | 160,939 | 81.4 | 2,271 | No |
| 2-person Carpool | 15,005 | 7.8 | 580 | 15,299 | 7.4 | 1,303 | 14,201 | 7.2 | 1,087 | No |
| 3-or-more-person Carpool | 2,880 | 1.5 | 256 | 3,535 | 1.7 | 913 | 3,599 | 1.8 | 583 | Yes |
| Transit | 2,594 | 1.4 | 243 | 3,085 | 1.5 | 521 | 3,314 | 1.7 | 479 | Yes |
| Bike | 410 | 0.2 | 97 | 686 | 0.3 | 303 | 424 | 0.2 | 183 | No |
| Walked | 5,870 | 3.1 | 365 | 5,383 | 2.6 | 790 | 5,841 | 3.0 | 720 | No |
| Taxi, Motorcycle and Other means | 1,650 | 0.9 | 194 | 2,442 | 1.2 | 574 | 1,602 | 0.8 | 374 | No |
| Worked at Home | 4,205 | 2.2 | 309 | 7,801 | 3.8 | 952 | 7,873 | 4.0 | 822 | 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 | 168,985 | 100.0 | 1,730 | 187,039 | 100.0 | 2,637 | 184,545 | 100.0 | 2,352 | Yes |
| Drove alone | 138,855 | 82.2 | 1,609 | 153,708 | 82.2 | 2,615 | 152,729 | 82.8 | 2,398 | Yes |
| 2-person Carpool | 13,035 | 7.7 | 541 | 13,376 | 7.2 | 1,012 | 12,853 | 7.0 | 1,106 | No |
| 3-or-more-person Carpool | 2,570 | 1.5 | 242 | 2,780 | 1.5 | 431 | 2,444 | 1.3 | 522 | No |
| Transit | 2,680 | 1.6 | 247 | 2,833 | 1.5 | 474 | 2,944 | 1.6 | 537 | No |
| Bike | 10 | 0.0 | 15 | 153 | 0.1 | 93 | 160 | 0.1 | 94 | Yes |
| Walked | 4,955 | 2.9 | 335 | 5,323 | 2.8 | 873 | 5,018 | 2.7 | 671 | No |
| Taxi, Motorcycle and Other means | 1,260 | 0.7 | 170 | 1,421 | 0.8 | 362 | 1,224 | 0.7 | 298 | No |
| Worked at Home | 5,620 | 3.3 | 357 | 7,445 | 4.0 | 875 | 7,173 | 3.9 | 808 | 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
