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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 | 866,900 | 100.0 | 3,551 | 926,000 | 100.0 | 4,928 | 880,982 | 100.0 | 5,120 | Yes |
| Drove alone | 639,215 | 73.7 | 3,182 | 664,506 | 71.8 | 5,035 | 624,220 | 70.9 | 5,714 | Yes |
| 2-person Carpool | 85,005 | 9.8 | 1,271 | 83,512 | 9.0 | 2,861 | 72,912 | 8.3 | 2,698 | Yes |
| 3-or-more-person Carpool | 22,185 | 2.6 | 655 | 21,116 | 2.3 | 1,650 | 19,918 | 2.3 | 1,629 | Yes |
| Transit | 32,730 | 3.8 | 795 | 36,070 | 3.9 | 1,991 | 35,632 | 4.0 | 1,923 | Yes |
| Bike | 12,745 | 1.5 | 497 | 24,554 | 2.7 | 1,685 | 26,367 | 3.0 | 1,562 | Yes |
| Walked | 31,000 | 3.6 | 774 | 34,745 | 3.8 | 1,998 | 38,104 | 4.3 | 2,209 | Yes |
| Taxi, Motorcycle and Other means | 9,075 | 1.0 | 420 | 12,026 | 1.3 | 1,017 | 12,014 | 1.4 | 960 | Yes |
| Worked at Home | 34,940 | 4.0 | 821 | 49,471 | 5.3 | 2,053 | 51,815 | 5.9 | 2,030 | 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 | 734,480 | 100.0 | 3,352 | 817,170 | 100.0 | 5,269 | 801,619 | 100.0 | 5,269 | Yes |
| Drove alone | 532,425 | 72.5 | 2,960 | 594,924 | 72.8 | 5,559 | 582,086 | 72.6 | 5,117 | Yes |
| 2-person Carpool | 71,750 | 9.8 | 1,170 | 67,997 | 8.3 | 2,565 | 64,871 | 8.1 | 2,093 | Yes |
| 3-or-more-person Carpool | 17,010 | 2.3 | 574 | 14,644 | 1.8 | 1,123 | 14,356 | 1.8 | 1,088 | Yes |
| Transit | 33,310 | 4.5 | 802 | 36,290 | 4.4 | 2,059 | 36,139 | 4.5 | 1,959 | Yes |
| Bike | 4,425 | 0.6 | 293 | 12,363 | 1.5 | 1,081 | 12,628 | 1.6 | 918 | Yes |
| Walked | 26,220 | 3.6 | 712 | 32,558 | 4.0 | 1,817 | 31,614 | 3.9 | 1,718 | Yes |
| Taxi, Motorcycle and Other means | 4,495 | 0.6 | 296 | 5,062 | 0.6 | 633 | 4,634 | 0.6 | 676 | No |
| Worked at Home | 44,845 | 6.1 | 929 | 53,332 | 6.5 | 2,153 | 55,291 | 6.9 | 2,161 | 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
