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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 | 166,260 | 100.0 | 1,734 | 178,691 | 100.0 | 2,434 | 170,872 | 100.0 | 2,199 | Yes |
| Drove alone | 104,900 | 63.1 | 1,443 | 108,255 | 60.6 | 2,465 | 106,270 | 62.2 | 2,653 | No |
| 2-person Carpool | 13,555 | 8.2 | 552 | 10,761 | 6.0 | 1,275 | 10,242 | 6.0 | 874 | Yes |
| 3-or-more-person Carpool | 6,345 | 3.8 | 379 | 7,563 | 4.2 | 1,114 | 5,411 | 3.2 | 778 | Yes |
| Transit | 28,275 | 17.0 | 790 | 35,091 | 19.6 | 1,597 | 32,874 | 19.2 | 1,426 | Yes |
| Bike | 440 | 0.3 | 100 | 312 | 0.2 | 174 | 617 | 0.4 | 243 | No |
| Walked | 6,630 | 4.0 | 388 | 7,732 | 4.3 | 1,003 | 7,963 | 4.7 | 1,027 | Yes |
| Taxi, Motorcycle and Other means | 1,775 | 1.1 | 201 | 4,076 | 2.3 | 821 | 2,617 | 1.5 | 562 | Yes |
| Worked at Home | 4,345 | 2.6 | 314 | 4,901 | 2.7 | 692 | 4,878 | 2.9 | 518 | 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 | 161,955 | 100.0 | 1,717 | 166,479 | 100.0 | 2,948 | 165,969 | 100.0 | 2,137 | Yes |
| Drove alone | 96,870 | 59.8 | 1,395 | 104,111 | 62.5 | 2,499 | 101,267 | 61.0 | 2,168 | Yes |
| 2-person Carpool | 14,705 | 9.1 | 574 | 10,889 | 6.5 | 1,018 | 11,323 | 6.8 | 882 | Yes |
| 3-or-more-person Carpool | 4,695 | 2.9 | 327 | 3,671 | 2.2 | 625 | 3,386 | 2.0 | 551 | Yes |
| Transit | 31,620 | 19.5 | 833 | 33,126 | 19.9 | 1,578 | 35,039 | 21.1 | 1,522 | Yes |
| Bike | 60 | 0.0 | 37 | 73 | 0.0 | 77 | 115 | 0.1 | 70 | No |
| Walked | 7,295 | 4.5 | 407 | 7,502 | 4.5 | 777 | 6,592 | 4.0 | 805 | No |
| Taxi, Motorcycle and Other means | 1,954 | 1.2 | 211 | 2,454 | 1.5 | 488 | 2,710 | 1.6 | 550 | Yes |
| Worked at Home | 4,760 | 2.9 | 329 | 4,653 | 2.8 | 594 | 5,537 | 3.3 | 588 | 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
