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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 | 2,952,395 | 100.0 | 6,059 | 3,055,807 | 100.0 | 7,506 | 2,990,310 | 100.0 | 8,381 | Yes |
| Drove alone | 2,300,700 | 77.9 | 5,533 | 2,345,476 | 76.8 | 8,738 | 2,303,536 | 77.0 | 9,426 | No |
| 2-person Carpool | 242,205 | 8.2 | 1,972 | 230,005 | 7.5 | 4,539 | 214,760 | 7.2 | 3,391 | Yes |
| 3-or-more-person Carpool | 58,290 | 2.0 | 975 | 64,406 | 2.1 | 2,447 | 62,109 | 2.1 | 2,356 | Yes |
| Transit | 120,495 | 4.1 | 1,398 | 139,529 | 4.6 | 3,875 | 137,280 | 4.6 | 3,462 | Yes |
| Bike | 11,205 | 0.4 | 428 | 17,933 | 0.6 | 1,321 | 17,469 | 0.6 | 1,188 | Yes |
| Walked | 113,005 | 3.8 | 1,354 | 119,210 | 3.9 | 3,070 | 112,773 | 3.8 | 3,278 | No |
| Taxi, Motorcycle and Other means | 23,735 | 0.8 | 623 | 32,676 | 1.1 | 1,509 | 31,739 | 1.1 | 1,604 | Yes |
| Worked at Home | 82,765 | 2.8 | 1,160 | 106,572 | 3.5 | 3,258 | 110,644 | 3.7 | 2,692 | 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 | 2,603,915 | 100.0 | 5,796 | 2,773,181 | 100.0 | 8,140 | 2,769,818 | 100.0 | 8,673 | Yes |
| Drove alone | 1,947,135 | 74.8 | 5,179 | 2,107,356 | 76.0 | 9,228 | 2,113,224 | 76.3 | 8,925 | Yes |
| 2-person Carpool | 227,970 | 8.8 | 1,914 | 206,625 | 7.5 | 3,644 | 195,506 | 7.1 | 4,378 | Yes |
| 3-or-more-person Carpool | 48,905 | 1.9 | 893 | 45,302 | 1.6 | 1,818 | 44,100 | 1.6 | 2,025 | Yes |
| Transit | 164,330 | 6.3 | 1,629 | 174,446 | 6.3 | 3,943 | 172,712 | 6.2 | 3,959 | Yes |
| Bike | 2,800 | 0.1 | 214 | 6,787 | 0.2 | 847 | 7,659 | 0.3 | 946 | Yes |
| Walked | 116,720 | 4.5 | 1,376 | 114,610 | 4.1 | 3,092 | 108,729 | 3.9 | 3,116 | Yes |
| Taxi, Motorcycle and Other means | 14,175 | 0.5 | 481 | 16,874 | 0.6 | 1,078 | 18,474 | 0.7 | 1,110 | Yes |
| Worked at Home | 81,880 | 3.1 | 1,154 | 101,181 | 3.6 | 2,499 | 109,414 | 4.0 | 2,754 | 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
