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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 | 278,090 | 100.0 | 1,928 | 302,893 | 100.0 | 3,972 | 281,576 | 100.0 | 4,077 | No |
| Drove alone | 152,165 | 54.7 | 1,497 | 164,193 | 54.2 | 4,189 | 150,442 | 53.4 | 3,845 | No |
| 2-person Carpool | 25,720 | 9.2 | 643 | 20,899 | 6.9 | 1,667 | 19,831 | 7.0 | 1,370 | Yes |
| 3-or-more-person Carpool | 8,290 | 3.0 | 367 | 6,962 | 2.3 | 995 | 5,653 | 2.0 | 959 | Yes |
| Transit | 56,430 | 20.3 | 943 | 67,742 | 22.4 | 2,796 | 63,270 | 22.5 | 2,619 | Yes |
| Bike | 3,650 | 1.3 | 244 | 7,133 | 2.4 | 999 | 7,113 | 2.5 | 923 | Yes |
| Walked | 23,815 | 8.6 | 619 | 23,677 | 7.8 | 1,483 | 23,599 | 8.4 | 1,803 | No |
| Taxi, Motorcycle and Other means | 3,020 | 1.1 | 222 | 3,086 | 1.0 | 639 | 3,579 | 1.3 | 531 | No |
| Worked at Home | 4,995 | 1.8 | 285 | 9,201 | 3.0 | 1,265 | 8,089 | 2.9 | 839 | 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 | 291,670 | 100.0 | 1,964 | 317,378 | 100.0 | 3,618 | 308,621 | 100.0 | 4,350 | Yes |
| Drove alone | 128,150 | 43.9 | 1,386 | 153,910 | 48.5 | 3,775 | 144,256 | 46.7 | 3,427 | Yes |
| 2-person Carpool | 30,180 | 10.3 | 696 | 22,275 | 7.0 | 1,548 | 22,058 | 7.1 | 1,532 | Yes |
| 3-or-more-person Carpool | 8,965 | 3.1 | 382 | 6,098 | 1.9 | 684 | 5,823 | 1.9 | 784 | Yes |
| Transit | 87,130 | 29.9 | 1,160 | 92,231 | 29.1 | 3,048 | 91,639 | 29.7 | 2,948 | Yes |
| Bike | 1,260 | 0.4 | 144 | 3,089 | 1.0 | 588 | 4,687 | 1.5 | 882 | Yes |
| Walked | 27,750 | 9.5 | 668 | 28,498 | 9.0 | 1,664 | 27,344 | 8.9 | 1,810 | No |
| Taxi, Motorcycle and Other means | 2,485 | 0.9 | 202 | 2,854 | 0.9 | 700 | 3,082 | 1.0 | 494 | Yes |
| Worked at Home | 5,755 | 2.0 | 306 | 8,423 | 2.7 | 1,162 | 9,732 | 3.2 | 1,045 | 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
