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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 | 1,219,180 | 100.0 | 4,965 | 1,553,154 | 100.0 | 6,568 | 1,425,076 | 100.0 | 5,754 | Yes |
| Drove alone | 897,180 | 73.6 | 4,431 | 1,152,307 | 74.2 | 9,141 | 1,082,935 | 76.0 | 7,558 | Yes |
| 2-person Carpool | 144,985 | 11.9 | 1,933 | 157,724 | 10.2 | 4,068 | 124,423 | 8.7 | 4,159 | Yes |
| 3-or-more-person Carpool | 47,245 | 3.9 | 1,114 | 50,629 | 3.3 | 3,163 | 36,698 | 2.6 | 1,987 | Yes |
| Transit | 20,175 | 1.7 | 730 | 32,837 | 2.1 | 2,350 | 25,293 | 1.8 | 1,993 | Yes |
| Bike | 17,155 | 1.4 | 673 | 18,708 | 1.2 | 1,576 | 18,992 | 1.3 | 1,438 | Yes |
| Walked | 32,060 | 2.6 | 919 | 35,842 | 2.3 | 2,369 | 29,043 | 2.0 | 2,029 | Yes |
| Taxi, Motorcycle and Other means | 22,865 | 1.9 | 777 | 34,515 | 2.2 | 2,388 | 31,619 | 2.2 | 2,126 | Yes |
| Worked at Home | 37,515 | 3.1 | 994 | 70,592 | 4.5 | 2,690 | 76,073 | 5.3 | 2,979 | 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 | 991,215 | 100.0 | 4,605 | 1,264,363 | 100.0 | 7,696 | 1,237,668 | 100.0 | 7,714 | Yes |
| Drove alone | 741,575 | 74.8 | 4,102 | 967,142 | 76.5 | 7,226 | 949,193 | 76.7 | 7,085 | Yes |
| 2-person Carpool | 118,550 | 12.0 | 1,752 | 124,426 | 9.8 | 3,681 | 115,946 | 9.4 | 2,879 | No |
| 3-or-more-person Carpool | 29,675 | 3.0 | 885 | 29,652 | 2.3 | 1,788 | 28,334 | 2.3 | 1,614 | No |
| Transit | 18,925 | 1.9 | 707 | 29,386 | 2.3 | 2,454 | 25,840 | 2.1 | 1,809 | Yes |
| Bike | 5,055 | 0.5 | 366 | 5,258 | 0.4 | 795 | 6,233 | 0.5 | 760 | Yes |
| Walked | 25,955 | 2.6 | 828 | 25,911 | 2.0 | 1,931 | 25,994 | 2.1 | 1,810 | No |
| Taxi, Motorcycle and Other means | 7,845 | 0.8 | 456 | 13,348 | 1.1 | 1,421 | 14,175 | 1.1 | 1,319 | Yes |
| Worked at Home | 43,645 | 4.4 | 1,071 | 69,240 | 5.5 | 2,596 | 71,953 | 5.8 | 2,476 | 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
