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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 | 184,305 | 100.0 | 1,460 | 238,251 | 100.0 | 2,504 | 243,395 | 100.0 | 2,849 | Yes |
| Drove alone | 148,485 | 80.6 | 1,362 | 187,501 | 78.7 | 2,849 | 194,101 | 79.7 | 3,220 | Yes |
| 2-person Carpool | 15,105 | 8.2 | 491 | 17,140 | 7.2 | 1,327 | 17,004 | 7.0 | 1,719 | Yes |
| 3-or-more-person Carpool | 6,480 | 3.5 | 324 | 6,904 | 2.9 | 1,326 | 4,692 | 1.9 | 1,027 | Yes |
| Transit | 1,610 | 0.9 | 162 | 2,328 | 1.0 | 478 | 3,252 | 1.3 | 802 | Yes |
| Bike | 590 | 0.3 | 98 | 1,165 | 0.5 | 398 | 1,234 | 0.5 | 406 | Yes |
| Walked | 3,350 | 1.8 | 234 | 4,831 | 2.0 | 925 | 3,469 | 1.4 | 604 | No |
| Taxi, Motorcycle and Other means | 2,340 | 1.3 | 195 | 3,714 | 1.6 | 903 | 3,039 | 1.2 | 796 | No |
| Worked at Home | 6,350 | 3.4 | 321 | 14,668 | 6.2 | 1,228 | 16,604 | 6.8 | 1,306 | 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 | 154,295 | 100.0 | 1,380 | 203,353 | 100.0 | 2,444 | 213,949 | 100.0 | 3,240 | Yes |
| Drove alone | 126,190 | 81.8 | 1,285 | 163,291 | 80.3 | 2,176 | 174,995 | 81.8 | 3,175 | Yes |
| 2-person Carpool | 12,770 | 8.3 | 453 | 15,402 | 7.6 | 1,381 | 14,288 | 6.7 | 1,610 | No |
| 3-or-more-person Carpool | 3,475 | 2.3 | 238 | 4,034 | 2.0 | 667 | 3,922 | 1.8 | 684 | No |
| Transit | 1,869 | 1.2 | 175 | 2,817 | 1.4 | 569 | 2,116 | 1.0 | 452 | No |
| Bike | 55 | 0.0 | 30 | 253 | 0.1 | 173 | 298 | 0.1 | 138 | Yes |
| Walked | 2,500 | 1.6 | 202 | 2,952 | 1.5 | 687 | 2,405 | 1.1 | 430 | No |
| Taxi, Motorcycle and Other means | 1,060 | 0.7 | 132 | 1,954 | 1.0 | 516 | 1,788 | 0.8 | 453 | Yes |
| Worked at Home | 6,385 | 4.1 | 322 | 12,650 | 6.2 | 1,006 | 14,137 | 6.6 | 1,160 | 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
