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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 | 143,250 | 100.0 | 1,427 | 149,928 | 100.0 | 2,398 | 154,122 | 100.0 | 2,575 | Yes |
| Drove alone | 93,965 | 65.6 | 1,227 | 91,720 | 61.2 | 2,343 | 89,516 | 58.1 | 2,367 | Yes |
| 2-person Carpool | 13,130 | 9.2 | 499 | 10,576 | 7.1 | 957 | 10,855 | 7.0 | 1,054 | Yes |
| 3-or-more-person Carpool | 2,630 | 1.8 | 226 | 2,314 | 1.5 | 596 | 2,319 | 1.5 | 469 | No |
| Transit | 16,100 | 11.2 | 551 | 17,750 | 11.8 | 1,227 | 17,431 | 11.3 | 1,337 | No |
| Bike | 3,435 | 2.4 | 258 | 9,921 | 6.6 | 871 | 12,107 | 7.9 | 1,003 | Yes |
| Walked | 7,390 | 5.2 | 377 | 7,958 | 5.3 | 902 | 8,763 | 5.7 | 1,076 | Yes |
| Taxi, Motorcycle and Other means | 1,460 | 1.0 | 168 | 1,404 | 0.9 | 314 | 1,936 | 1.3 | 474 | No |
| Worked at Home | 5,145 | 3.6 | 315 | 8,285 | 5.5 | 667 | 11,195 | 7.3 | 926 | 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 | 127,745 | 100.0 | 1,374 | 139,897 | 100.0 | 1,913 | 145,254 | 100.0 | 2,138 | Yes |
| Drove alone | 78,525 | 61.5 | 1,141 | 86,523 | 61.8 | 2,084 | 84,985 | 58.5 | 1,820 | Yes |
| 2-person Carpool | 13,635 | 10.7 | 509 | 10,665 | 7.6 | 943 | 11,477 | 7.9 | 947 | Yes |
| 3-or-more-person Carpool | 2,800 | 2.2 | 233 | 2,225 | 1.6 | 431 | 2,271 | 1.6 | 433 | Yes |
| Transit | 17,075 | 13.4 | 567 | 16,886 | 12.1 | 1,350 | 18,913 | 13.0 | 1,342 | Yes |
| Bike | 1,340 | 1.0 | 161 | 5,964 | 4.3 | 733 | 6,500 | 4.5 | 836 | Yes |
| Walked | 6,805 | 5.3 | 362 | 7,106 | 5.1 | 738 | 8,358 | 5.8 | 992 | Yes |
| Taxi, Motorcycle and Other means | 925 | 0.7 | 134 | 1,116 | 0.8 | 309 | 863 | 0.6 | 255 | No |
| Worked at Home | 6,635 | 5.2 | 357 | 9,412 | 6.7 | 889 | 11,887 | 8.2 | 1,131 | 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
