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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 | 242,675 | 100.0 | 1,858 | 281,131 | 100.0 | 2,230 | 274,944 | 100.0 | 2,616 | Yes |
| Drove alone | 186,290 | 76.8 | 1,696 | 212,966 | 75.8 | 2,353 | 211,771 | 77.0 | 2,840 | Yes |
| 2-person Carpool | 24,895 | 10.3 | 687 | 26,541 | 9.4 | 1,791 | 24,075 | 8.8 | 1,543 | No |
| 3-or-more-person Carpool | 7,315 | 3.0 | 376 | 9,296 | 3.3 | 1,384 | 7,603 | 2.8 | 1,013 | No |
| Transit | 9,045 | 3.7 | 418 | 9,859 | 3.5 | 918 | 9,282 | 3.4 | 1,004 | No |
| Bike | 1,870 | 0.8 | 191 | 2,756 | 1.0 | 529 | 2,974 | 1.1 | 540 | Yes |
| Walked | 4,835 | 2.0 | 306 | 5,758 | 2.0 | 836 | 5,576 | 2.0 | 721 | No |
| Taxi, Motorcycle and Other means | 2,280 | 0.9 | 210 | 4,071 | 1.4 | 591 | 3,983 | 1.4 | 522 | Yes |
| Worked at Home | 6,150 | 2.5 | 345 | 9,884 | 3.5 | 955 | 9,680 | 3.5 | 1,126 | 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 | 195,950 | 100.0 | 1,728 | 223,958 | 100.0 | 2,460 | 224,238 | 100.0 | 2,478 | Yes |
| Drove alone | 148,785 | 75.9 | 1,555 | 173,158 | 77.3 | 2,834 | 170,482 | 76.0 | 2,590 | Yes |
| 2-person Carpool | 20,745 | 10.6 | 628 | 19,179 | 8.6 | 1,228 | 20,863 | 9.3 | 1,313 | No |
| 3-or-more-person Carpool | 4,355 | 2.2 | 291 | 4,731 | 2.1 | 625 | 5,743 | 2.6 | 758 | Yes |
| Transit | 6,180 | 3.2 | 346 | 6,395 | 2.9 | 827 | 8,137 | 3.6 | 939 | Yes |
| Bike | 325 | 0.2 | 80 | 1,033 | 0.5 | 314 | 1,096 | 0.5 | 312 | Yes |
| Walked | 3,930 | 2.0 | 276 | 5,192 | 2.3 | 889 | 4,928 | 2.2 | 580 | Yes |
| Taxi, Motorcycle and Other means | 825 | 0.4 | 127 | 1,569 | 0.7 | 300 | 1,565 | 0.7 | 368 | Yes |
| Worked at Home | 10,800 | 5.5 | 456 | 12,701 | 5.7 | 925 | 11,424 | 5.1 | 1,128 | 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
