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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 | 215,690 | 100.0 | 1,652 | 215,785 | 100.0 | 2,424 | 215,961 | 100.0 | 2,222 | No |
| Drove alone | 178,305 | 82.7 | 1,540 | 175,392 | 81.3 | 2,392 | 176,583 | 81.8 | 2,051 | No |
| 2-person Carpool | 15,395 | 7.1 | 498 | 14,171 | 6.6 | 1,040 | 12,311 | 5.7 | 943 | Yes |
| 3-or-more-person Carpool | 3,025 | 1.4 | 222 | 2,440 | 1.1 | 458 | 2,798 | 1.3 | 452 | No |
| Transit | 6,825 | 3.2 | 333 | 7,546 | 3.5 | 852 | 8,355 | 3.9 | 999 | Yes |
| Bike | 805 | 0.4 | 115 | 1,566 | 0.7 | 451 | 1,543 | 0.7 | 342 | Yes |
| Walked | 5,740 | 2.7 | 306 | 6,508 | 3.0 | 686 | 6,319 | 2.9 | 730 | No |
| Taxi, Motorcycle and Other means | 1,125 | 0.5 | 136 | 1,926 | 0.9 | 437 | 2,964 | 1.4 | 504 | Yes |
| Worked at Home | 4,470 | 2.1 | 270 | 6,236 | 2.9 | 647 | 5,088 | 2.4 | 635 | No |
| 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 | 206,120 | 100.0 | 1,626 | 207,020 | 100.0 | 2,390 | 206,628 | 100.0 | 2,000 | No |
| Drove alone | 162,790 | 79.0 | 1,486 | 166,609 | 80.5 | 2,339 | 167,791 | 81.2 | 2,033 | Yes |
| 2-person Carpool | 19,205 | 9.3 | 555 | 15,096 | 7.3 | 1,014 | 14,303 | 6.9 | 972 | Yes |
| 3-or-more-person Carpool | 3,105 | 1.5 | 225 | 2,983 | 1.4 | 521 | 3,065 | 1.5 | 498 | No |
| Transit | 9,870 | 4.8 | 400 | 9,219 | 4.5 | 814 | 8,534 | 4.1 | 942 | Yes |
| Bike | 115 | 0.1 | 43 | 321 | 0.2 | 156 | 362 | 0.2 | 193 | Yes |
| Walked | 5,530 | 2.7 | 300 | 6,362 | 3.1 | 749 | 6,116 | 3.0 | 686 | No |
| Taxi, Motorcycle and Other means | 1,025 | 0.5 | 129 | 1,452 | 0.7 | 341 | 1,653 | 0.8 | 428 | Yes |
| Worked at Home | 4,480 | 2.2 | 270 | 4,978 | 2.4 | 622 | 4,804 | 2.3 | 581 | 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
