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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 | 1,248,525 | 100.0 | 3,962 | 1,272,221 | 100.0 | 5,987 | 1,213,077 | 100.0 | 5,854 | Yes |
| Drove alone | 819,285 | 65.6 | 3,372 | 820,475 | 64.5 | 6,077 | 773,618 | 63.8 | 6,809 | Yes |
| 2-person Carpool | 108,075 | 8.7 | 1,317 | 92,723 | 7.3 | 2,908 | 84,627 | 7.0 | 3,282 | Yes |
| 3-or-more-person Carpool | 39,165 | 3.1 | 798 | 26,955 | 2.1 | 1,906 | 25,702 | 2.1 | 1,738 | Yes |
| Transit | 186,175 | 14.9 | 1,715 | 205,638 | 16.2 | 4,405 | 196,859 | 16.2 | 4,048 | Yes |
| Bike | 7,300 | 0.6 | 345 | 14,699 | 1.2 | 1,347 | 16,389 | 1.4 | 1,293 | Yes |
| Walked | 45,720 | 3.7 | 861 | 49,239 | 3.9 | 2,197 | 50,842 | 4.2 | 2,181 | Yes |
| Taxi, Motorcycle and Other means | 14,705 | 1.2 | 490 | 15,373 | 1.2 | 1,183 | 15,229 | 1.3 | 1,176 | No |
| Worked at Home | 28,105 | 2.3 | 677 | 47,119 | 3.7 | 2,441 | 49,811 | 4.1 | 2,196 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 1,122,635 | 100.0 | 3,813 | 1,158,484 | 100.0 | 6,263 | 1,128,280 | 100.0 | 6,342 | No |
| Drove alone | 670,995 | 59.8 | 3,101 | 698,681 | 60.3 | 5,523 | 686,909 | 60.9 | 5,763 | Yes |
| 2-person Carpool | 107,545 | 9.6 | 1,314 | 87,925 | 7.6 | 2,600 | 82,637 | 7.3 | 2,652 | Yes |
| 3-or-more-person Carpool | 36,160 | 3.2 | 767 | 22,606 | 2.0 | 1,455 | 22,628 | 2.0 | 1,474 | Yes |
| Transit | 211,605 | 18.8 | 1,824 | 236,676 | 20.4 | 4,836 | 218,897 | 19.4 | 4,490 | Yes |
| Bike | 1,920 | 0.2 | 177 | 4,352 | 0.4 | 538 | 6,486 | 0.6 | 813 | Yes |
| Walked | 48,735 | 4.3 | 889 | 51,464 | 4.4 | 2,300 | 53,025 | 4.7 | 1,903 | Yes |
| Taxi, Motorcycle and Other means | 12,960 | 1.2 | 460 | 12,803 | 1.1 | 935 | 10,827 | 1.0 | 1,144 | Yes |
| Worked at Home | 32,715 | 2.9 | 730 | 43,977 | 3.8 | 1,985 | 46,871 | 4.2 | 1,782 | 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
