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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 | 172,265 | 100.0 | 1,797 | 210,739 | 100.0 | 2,437 | 203,908 | 100.0 | 3,172 | Yes |
| Drove alone | 135,450 | 78.6 | 1,663 | 163,093 | 77.4 | 2,761 | 159,950 | 78.4 | 3,472 | Yes |
| 2-person Carpool | 16,900 | 9.8 | 660 | 18,393 | 8.7 | 1,391 | 17,318 | 8.5 | 1,961 | No |
| 3-or-more-person Carpool | 9,625 | 5.6 | 501 | 7,150 | 3.4 | 1,032 | 6,467 | 3.2 | 1,587 | Yes |
| Transit | 1,270 | 0.7 | 183 | 2,348 | 1.1 | 409 | 2,135 | 1.0 | 556 | Yes |
| Bike | 145 | 0.1 | 62 | 20 | 0.0 | 32 | 244 | 0.1 | 177 | No |
| Walked | 1,530 | 0.9 | 201 | 2,042 | 1.0 | 608 | 2,018 | 1.0 | 613 | No |
| Taxi, Motorcycle and Other means | 1,670 | 1.0 | 210 | 7,555 | 3.6 | 1,436 | 5,457 | 2.7 | 1,393 | Yes |
| Worked at Home | 5,670 | 3.3 | 386 | 10,138 | 4.8 | 1,027 | 10,319 | 5.1 | 1,098 | 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 | 137,530 | 100.0 | 1,672 | 168,461 | 100.0 | 2,193 | 171,382 | 100.0 | 3,306 | Yes |
| Drove alone | 111,435 | 81.0 | 1,548 | 134,785 | 80.0 | 2,477 | 138,711 | 80.9 | 3,148 | Yes |
| 2-person Carpool | 13,740 | 10.0 | 597 | 15,218 | 9.0 | 1,127 | 14,773 | 8.6 | 1,247 | No |
| 3-or-more-person Carpool | 3,425 | 2.5 | 300 | 3,852 | 2.3 | 665 | 4,061 | 2.4 | 776 | No |
| Transit | 930 | 0.7 | 157 | 1,975 | 1.2 | 499 | 1,351 | 0.8 | 309 | Yes |
| Bike | 15 | 0.0 | 20 | 62 | 0.0 | 74 | 0 | 0.0 | 125 | No |
| Walked | 960 | 0.7 | 159 | 1,333 | 0.8 | 291 | 973 | 0.6 | 395 | No |
| Taxi, Motorcycle and Other means | 995 | 0.7 | 162 | 2,647 | 1.6 | 611 | 1,933 | 1.1 | 583 | Yes |
| Worked at Home | 6,035 | 4.4 | 398 | 8,589 | 5.1 | 997 | 9,580 | 5.6 | 966 | 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
