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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 | 326,280 | 100.0 | 2,519 | 353,969 | 100.0 | 3,876 | 353,434 | 100.0 | 3,925 | Yes |
| Drove alone | 241,840 | 74.1 | 2,268 | 266,985 | 75.4 | 3,887 | 263,341 | 74.5 | 3,651 | Yes |
| 2-person Carpool | 29,480 | 9.0 | 873 | 26,191 | 7.4 | 1,776 | 25,210 | 7.1 | 1,632 | Yes |
| 3-or-more-person Carpool | 7,645 | 2.3 | 449 | 6,053 | 1.7 | 815 | 6,729 | 1.9 | 914 | No |
| Transit | 12,470 | 3.8 | 572 | 12,732 | 3.6 | 982 | 13,621 | 3.9 | 1,175 | No |
| Bike | 3,500 | 1.1 | 304 | 4,097 | 1.2 | 914 | 4,566 | 1.3 | 653 | Yes |
| Walked | 13,570 | 4.2 | 597 | 9,686 | 2.7 | 936 | 10,565 | 3.0 | 1,214 | Yes |
| Taxi, Motorcycle and Other means | 5,855 | 1.8 | 393 | 5,140 | 1.5 | 911 | 5,385 | 1.5 | 651 | No |
| Worked at Home | 11,925 | 3.7 | 560 | 23,085 | 6.5 | 1,897 | 24,017 | 6.8 | 1,482 | 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 | 254,035 | 100.0 | 2,310 | 280,697 | 100.0 | 3,844 | 284,791 | 100.0 | 3,629 | Yes |
| Drove alone | 187,470 | 73.8 | 2,052 | 214,249 | 76.3 | 3,556 | 214,816 | 75.4 | 3,624 | Yes |
| 2-person Carpool | 26,770 | 10.5 | 833 | 22,647 | 8.1 | 1,421 | 23,084 | 8.1 | 1,341 | Yes |
| 3-or-more-person Carpool | 6,855 | 2.7 | 425 | 4,033 | 1.4 | 560 | 5,529 | 1.9 | 796 | Yes |
| Transit | 11,265 | 4.4 | 544 | 12,206 | 4.3 | 1,178 | 12,105 | 4.3 | 983 | No |
| Bike | 715 | 0.3 | 138 | 1,559 | 0.6 | 400 | 1,736 | 0.6 | 394 | Yes |
| Walked | 7,600 | 3.0 | 448 | 8,495 | 3.0 | 1,069 | 7,724 | 2.7 | 721 | No |
| Taxi, Motorcycle and Other means | 1,960 | 0.8 | 228 | 1,619 | 0.6 | 398 | 1,713 | 0.6 | 374 | No |
| Worked at Home | 11,405 | 4.5 | 547 | 15,889 | 5.7 | 1,206 | 18,084 | 6.3 | 1,257 | 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
