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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 | 42,275 | 100.0 | 942 | 45,544 | 100.0 | 1,681 | 42,657 | 100.0 | 1,316 | No |
| Drove alone | 30,955 | 73.2 | 834 | 33,975 | 74.6 | 1,457 | 30,576 | 71.7 | 1,411 | No |
| 2-person Carpool | 4,455 | 10.5 | 340 | 4,281 | 9.4 | 834 | 4,795 | 11.2 | 858 | No |
| 3-or-more-person Carpool | 1,215 | 2.9 | 179 | 785 | 1.7 | 244 | 1,091 | 2.6 | 361 | No |
| Transit | 484 | 1.1 | 113 | 758 | 1.7 | 332 | 637 | 1.5 | 353 | No |
| Bike | 1,455 | 3.4 | 196 | 1,790 | 3.9 | 533 | 1,499 | 3.5 | 532 | No |
| Walked | 1,480 | 3.5 | 197 | 1,507 | 3.3 | 381 | 1,421 | 3.3 | 467 | No |
| Taxi, Motorcycle and Other means | 680 | 1.6 | 134 | 573 | 1.3 | 196 | 460 | 1.1 | 200 | No |
| Worked at Home | 1,550 | 3.7 | 202 | 1,875 | 4.1 | 396 | 2,178 | 5.1 | 493 | 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 | 38,535 | 100.0 | 910 | 42,569 | 100.0 | 1,324 | 39,981 | 100.0 | 1,522 | No |
| Drove alone | 29,050 | 75.4 | 813 | 32,182 | 75.6 | 1,327 | 30,366 | 76.0 | 1,532 | No |
| 2-person Carpool | 3,900 | 10.1 | 318 | 3,420 | 8.0 | 580 | 3,212 | 8.0 | 524 | Yes |
| 3-or-more-person Carpool | 1,180 | 3.1 | 176 | 775 | 1.8 | 223 | 1,075 | 2.7 | 281 | No |
| Transit | 350 | 0.9 | 96 | 345 | 0.8 | 171 | 314 | 0.8 | 167 | No |
| Bike | 610 | 1.6 | 127 | 1,213 | 2.8 | 324 | 956 | 2.4 | 317 | Yes |
| Walked | 1,275 | 3.3 | 183 | 2,090 | 4.9 | 492 | 1,377 | 3.4 | 517 | No |
| Taxi, Motorcycle and Other means | 240 | 0.6 | 80 | 140 | 0.3 | 103 | 340 | 0.9 | 174 | No |
| Worked at Home | 1,935 | 5.0 | 225 | 2,404 | 5.6 | 432 | 2,341 | 5.9 | 440 | No |
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
