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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 | 1,413,780 | 100.0 | 4,929 | 1,480,268 | 100.0 | 6,638 | 1,432,656 | 100.0 | 7,150 | Yes |
| Drove alone | 1,156,665 | 81.8 | 4,590 | 1,219,701 | 82.4 | 7,609 | 1,191,347 | 83.2 | 7,616 | Yes |
| 2-person Carpool | 137,175 | 9.7 | 1,750 | 120,778 | 8.2 | 3,488 | 108,453 | 7.6 | 3,649 | Yes |
| 3-or-more-person Carpool | 39,045 | 2.8 | 942 | 33,443 | 2.3 | 2,043 | 29,982 | 2.1 | 1,880 | Yes |
| Transit | 9,165 | 0.6 | 457 | 11,085 | 0.7 | 1,129 | 11,343 | 0.8 | 1,005 | Yes |
| Bike | 1,985 | 0.1 | 213 | 2,884 | 0.2 | 487 | 2,859 | 0.2 | 467 | Yes |
| Walked | 22,885 | 1.6 | 722 | 24,055 | 1.6 | 1,933 | 20,214 | 1.4 | 1,318 | Yes |
| Taxi, Motorcycle and Other means | 13,945 | 1.0 | 564 | 19,415 | 1.3 | 1,543 | 17,128 | 1.2 | 1,365 | Yes |
| Worked at Home | 32,905 | 2.3 | 865 | 48,907 | 3.3 | 1,985 | 51,330 | 3.6 | 2,353 | 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 | 1,204,625 | 100.0 | 4,660 | 1,302,952 | 100.0 | 6,494 | 1,300,448 | 100.0 | 8,499 | Yes |
| Drove alone | 983,710 | 81.7 | 4,313 | 1,093,505 | 83.9 | 6,734 | 1,098,139 | 84.4 | 8,432 | Yes |
| 2-person Carpool | 120,780 | 10.0 | 1,644 | 104,146 | 8.0 | 2,700 | 98,185 | 7.6 | 3,297 | Yes |
| 3-or-more-person Carpool | 31,315 | 2.6 | 844 | 25,063 | 1.9 | 1,501 | 25,674 | 2.0 | 1,717 | Yes |
| Transit | 10,345 | 0.9 | 486 | 11,091 | 0.9 | 1,049 | 10,644 | 0.8 | 999 | No |
| Bike | 345 | 0.0 | 89 | 862 | 0.1 | 266 | 980 | 0.1 | 315 | Yes |
| Walked | 16,800 | 1.4 | 619 | 15,632 | 1.2 | 1,330 | 14,956 | 1.2 | 1,161 | Yes |
| Taxi, Motorcycle and Other means | 6,735 | 0.6 | 392 | 7,824 | 0.6 | 1,017 | 8,388 | 0.6 | 975 | Yes |
| Worked at Home | 34,590 | 2.9 | 887 | 44,829 | 3.4 | 1,960 | 43,482 | 3.3 | 1,734 | 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
