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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 | 1,512,745 | 100.0 | 5,071 | 1,690,743 | 100.0 | 6,767 | 1,674,512 | 100.0 | 6,357 | Yes |
| Drove alone | 1,120,860 | 74.1 | 4,556 | 1,218,678 | 72.1 | 7,194 | 1,220,242 | 72.9 | 6,986 | Yes |
| 2-person Carpool | 150,660 | 10.0 | 1,832 | 153,891 | 9.1 | 3,828 | 133,614 | 8.0 | 3,512 | Yes |
| 3-or-more-person Carpool | 40,815 | 2.7 | 963 | 46,503 | 2.8 | 2,571 | 42,233 | 2.5 | 2,131 | No |
| Transit | 64,335 | 4.3 | 1,206 | 87,475 | 5.2 | 3,096 | 90,190 | 5.4 | 3,015 | Yes |
| Bike | 12,715 | 0.8 | 539 | 18,499 | 1.1 | 1,435 | 20,267 | 1.2 | 1,306 | Yes |
| Walked | 50,325 | 3.3 | 1,068 | 61,064 | 3.6 | 2,410 | 59,610 | 3.6 | 2,799 | Yes |
| Taxi, Motorcycle and Other means | 18,300 | 1.2 | 646 | 27,527 | 1.6 | 1,523 | 25,677 | 1.5 | 1,405 | Yes |
| Worked at Home | 54,730 | 3.6 | 1,113 | 77,106 | 4.6 | 2,245 | 82,679 | 4.9 | 2,275 | 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 | 1,272,735 | 100.0 | 4,777 | 1,433,643 | 100.0 | 6,453 | 1,431,346 | 100.0 | 7,406 | Yes |
| Drove alone | 919,975 | 72.3 | 4,213 | 1,031,909 | 72.0 | 6,356 | 1,044,040 | 72.9 | 7,206 | Yes |
| 2-person Carpool | 131,975 | 10.4 | 1,718 | 128,425 | 9.0 | 3,233 | 117,007 | 8.2 | 3,264 | Yes |
| 3-or-more-person Carpool | 34,285 | 2.7 | 883 | 35,964 | 2.5 | 1,936 | 31,503 | 2.2 | 1,626 | Yes |
| Transit | 70,525 | 5.5 | 1,262 | 90,519 | 6.3 | 3,256 | 86,305 | 6.0 | 2,125 | Yes |
| Bike | 3,490 | 0.3 | 282 | 8,078 | 0.6 | 938 | 7,707 | 0.5 | 899 | Yes |
| Walked | 39,415 | 3.1 | 946 | 49,137 | 3.4 | 2,268 | 48,599 | 3.4 | 2,237 | Yes |
| Taxi, Motorcycle and Other means | 6,965 | 0.5 | 399 | 9,297 | 0.6 | 788 | 11,022 | 0.8 | 1,046 | Yes |
| Worked at Home | 66,100 | 5.2 | 1,222 | 80,314 | 5.6 | 2,285 | 85,163 | 5.9 | 2,415 | 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
