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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 | 1,562,870 | 100.0 | 4,360 | 1,565,412 | 100.0 | 6,795 | 1,524,549 | 100.0 | 6,638 | Yes |
| Drove alone | 1,282,630 | 82.1 | 4,071 | 1,281,951 | 81.9 | 7,409 | 1,262,661 | 82.8 | 6,549 | Yes |
| 2-person Carpool | 137,995 | 8.8 | 1,486 | 125,004 | 8.0 | 3,104 | 107,173 | 7.0 | 2,860 | Yes |
| 3-or-more-person Carpool | 34,575 | 2.2 | 750 | 31,995 | 2.0 | 1,653 | 31,322 | 2.1 | 1,747 | Yes |
| Transit | 12,940 | 0.8 | 460 | 14,187 | 0.9 | 1,083 | 13,903 | 0.9 | 1,080 | No |
| Bike | 6,120 | 0.4 | 316 | 8,399 | 0.5 | 919 | 11,112 | 0.7 | 838 | Yes |
| Walked | 37,060 | 2.4 | 777 | 35,670 | 2.3 | 1,939 | 33,757 | 2.2 | 1,707 | Yes |
| Taxi, Motorcycle and Other means | 13,300 | 0.9 | 466 | 18,800 | 1.2 | 1,437 | 17,899 | 1.2 | 1,163 | Yes |
| Worked at Home | 38,260 | 2.4 | 789 | 49,406 | 3.2 | 1,938 | 46,722 | 3.1 | 1,659 | 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 | 1,347,740 | 100.0 | 4,144 | 1,382,155 | 100.0 | 7,275 | 1,373,218 | 100.0 | 6,084 | Yes |
| Drove alone | 1,097,360 | 81.4 | 3,837 | 1,151,398 | 83.3 | 7,306 | 1,149,979 | 83.7 | 6,794 | Yes |
| 2-person Carpool | 121,150 | 9.0 | 1,394 | 104,141 | 7.5 | 2,514 | 96,425 | 7.0 | 2,548 | Yes |
| 3-or-more-person Carpool | 27,195 | 2.0 | 666 | 23,783 | 1.7 | 1,457 | 23,857 | 1.7 | 1,357 | Yes |
| Transit | 15,120 | 1.1 | 497 | 16,803 | 1.2 | 1,151 | 16,386 | 1.2 | 1,292 | No |
| Bike | 1,605 | 0.1 | 162 | 3,114 | 0.2 | 529 | 3,371 | 0.2 | 572 | Yes |
| Walked | 32,125 | 2.4 | 723 | 30,323 | 2.2 | 1,602 | 28,108 | 2.0 | 1,367 | Yes |
| Taxi, Motorcycle and Other means | 7,460 | 0.6 | 349 | 8,192 | 0.6 | 902 | 7,780 | 0.6 | 741 | No |
| Worked at Home | 45,725 | 3.4 | 862 | 44,401 | 3.2 | 1,420 | 47,312 | 3.4 | 1,917 | 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
