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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 | 238,550 | 100.0 | 2,176 | 254,540 | 100.0 | 2,675 | 252,120 | 100.0 | 2,622 | Yes |
| Drove alone | 168,980 | 70.8 | 1,919 | 178,155 | 70.0 | 2,867 | 175,003 | 69.4 | 2,710 | Yes |
| 2-person Carpool | 22,435 | 9.4 | 762 | 23,231 | 9.1 | 1,424 | 22,378 | 8.9 | 1,561 | No |
| 3-or-more-person Carpool | 9,450 | 4.0 | 498 | 7,581 | 3.0 | 939 | 8,468 | 3.4 | 1,172 | No |
| Transit | 21,175 | 8.9 | 741 | 22,824 | 9.0 | 1,658 | 22,051 | 8.7 | 1,529 | No |
| Bike | 1,775 | 0.7 | 217 | 2,203 | 0.9 | 590 | 1,814 | 0.7 | 458 | No |
| Walked | 3,240 | 1.4 | 293 | 5,007 | 2.0 | 862 | 4,034 | 1.6 | 819 | No |
| Taxi, Motorcycle and Other means | 3,045 | 1.3 | 284 | 3,282 | 1.3 | 650 | 3,329 | 1.3 | 659 | No |
| Worked at Home | 8,445 | 3.5 | 471 | 12,257 | 4.8 | 1,121 | 15,043 | 6.0 | 1,526 | 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 | 203,455 | 100.0 | 2,059 | 216,971 | 100.0 | 2,884 | 220,983 | 100.0 | 2,724 | Yes |
| Drove alone | 141,305 | 69.5 | 1,786 | 152,777 | 70.4 | 2,592 | 155,787 | 70.5 | 2,872 | Yes |
| 2-person Carpool | 19,645 | 9.7 | 714 | 19,012 | 8.8 | 1,382 | 18,329 | 8.3 | 1,286 | No |
| 3-or-more-person Carpool | 8,230 | 4.0 | 465 | 6,548 | 3.0 | 756 | 6,563 | 3.0 | 835 | Yes |
| Transit | 18,085 | 8.9 | 686 | 20,047 | 9.2 | 1,465 | 21,058 | 9.5 | 1,306 | Yes |
| Bike | 310 | 0.2 | 91 | 598 | 0.3 | 215 | 658 | 0.3 | 230 | Yes |
| Walked | 3,390 | 1.7 | 299 | 3,871 | 1.8 | 607 | 2,973 | 1.3 | 528 | No |
| Taxi, Motorcycle and Other means | 1,960 | 1.0 | 228 | 1,559 | 0.7 | 342 | 2,196 | 1.0 | 458 | No |
| Worked at Home | 10,535 | 5.2 | 526 | 12,559 | 5.8 | 920 | 13,419 | 6.1 | 1,303 | 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
