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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 | 331,505 | 100.0 | 1,980 | 307,172 | 100.0 | 2,536 | 295,025 | 100.0 | 2,934 | Yes |
| Drove alone | 295,365 | 89.1 | 1,908 | 263,773 | 85.9 | 2,727 | 252,382 | 85.5 | 2,933 | Yes |
| 2-person Carpool | 17,945 | 5.4 | 538 | 19,322 | 6.3 | 1,348 | 17,722 | 6.0 | 1,211 | No |
| 3-or-more-person Carpool | 3,460 | 1.0 | 238 | 4,217 | 1.4 | 746 | 4,471 | 1.5 | 650 | Yes |
| Transit | 1,250 | 0.4 | 143 | 1,556 | 0.5 | 394 | 1,621 | 0.5 | 392 | No |
| Bike | 720 | 0.2 | 109 | 1,099 | 0.4 | 307 | 900 | 0.3 | 258 | No |
| Walked | 3,620 | 1.1 | 243 | 4,206 | 1.4 | 819 | 4,172 | 1.4 | 623 | No |
| Taxi, Motorcycle and Other means | 1,420 | 0.4 | 152 | 2,233 | 0.7 | 369 | 2,121 | 0.7 | 402 | Yes |
| Worked at Home | 7,730 | 2.3 | 355 | 10,766 | 3.5 | 865 | 11,636 | 3.9 | 936 | 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 | 272,255 | 100.0 | 1,855 | 265,752 | 100.0 | 2,548 | 269,010 | 100.0 | 2,700 | No |
| Drove alone | 237,435 | 87.2 | 1,765 | 229,187 | 86.2 | 2,282 | 231,129 | 85.9 | 2,756 | Yes |
| 2-person Carpool | 16,525 | 6.1 | 517 | 16,135 | 6.1 | 1,215 | 16,569 | 6.2 | 1,288 | No |
| 3-or-more-person Carpool | 3,280 | 1.2 | 231 | 3,337 | 1.3 | 563 | 3,659 | 1.4 | 536 | No |
| Transit | 1,195 | 0.4 | 140 | 1,272 | 0.5 | 294 | 1,504 | 0.6 | 347 | No |
| Bike | 85 | 0.0 | 37 | 401 | 0.2 | 165 | 330 | 0.1 | 139 | Yes |
| Walked | 3,090 | 1.1 | 225 | 3,357 | 1.3 | 539 | 3,083 | 1.1 | 530 | No |
| Taxi, Motorcycle and Other means | 1,040 | 0.4 | 130 | 1,509 | 0.6 | 368 | 1,753 | 0.7 | 429 | Yes |
| Worked at Home | 9,610 | 3.5 | 395 | 10,554 | 4.0 | 755 | 10,983 | 4.1 | 788 | 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
