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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 | 178,345 | 100.0 | 1,593 | 189,211 | 100.0 | 2,363 | 190,088 | 100.0 | 2,508 | Yes |
| Drove alone | 120,355 | 67.5 | 1,385 | 121,329 | 64.1 | 2,678 | 115,624 | 60.8 | 2,577 | Yes |
| 2-person Carpool | 16,795 | 9.4 | 565 | 14,368 | 7.6 | 1,343 | 14,361 | 7.6 | 1,141 | Yes |
| 3-or-more-person Carpool | 3,445 | 1.9 | 258 | 3,311 | 1.7 | 713 | 2,925 | 1.5 | 541 | No |
| Transit | 18,025 | 10.1 | 584 | 19,818 | 10.5 | 1,273 | 19,790 | 10.4 | 1,449 | Yes |
| Bike | 3,655 | 2.0 | 266 | 10,131 | 5.4 | 886 | 12,608 | 6.6 | 1,089 | Yes |
| Walked | 7,855 | 4.4 | 389 | 8,444 | 4.5 | 953 | 9,601 | 5.1 | 1,124 | Yes |
| Taxi, Motorcycle and Other means | 1,825 | 1.0 | 188 | 1,985 | 1.0 | 405 | 2,523 | 1.3 | 516 | Yes |
| Worked at Home | 6,390 | 3.6 | 351 | 9,825 | 5.2 | 746 | 12,656 | 6.7 | 1,029 | 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 | 156,835 | 100.0 | 1,526 | 173,666 | 100.0 | 1,980 | 176,095 | 100.0 | 2,287 | Yes |
| Drove alone | 99,655 | 63.5 | 1,284 | 111,564 | 64.2 | 2,405 | 107,762 | 61.2 | 2,318 | Yes |
| 2-person Carpool | 16,660 | 10.6 | 562 | 13,802 | 7.9 | 1,212 | 14,187 | 8.1 | 1,061 | Yes |
| 3-or-more-person Carpool | 3,375 | 2.2 | 256 | 2,640 | 1.5 | 450 | 2,577 | 1.5 | 452 | Yes |
| Transit | 19,020 | 12.1 | 600 | 19,253 | 11.1 | 1,427 | 21,025 | 11.9 | 1,435 | Yes |
| Bike | 1,355 | 0.9 | 162 | 6,086 | 3.5 | 741 | 6,522 | 3.7 | 836 | Yes |
| Walked | 7,430 | 4.7 | 378 | 7,932 | 4.6 | 825 | 9,168 | 5.2 | 1,069 | Yes |
| Taxi, Motorcycle and Other means | 1,250 | 0.8 | 156 | 1,245 | 0.7 | 315 | 1,092 | 0.6 | 283 | No |
| Worked at Home | 8,085 | 5.2 | 394 | 11,144 | 6.4 | 953 | 13,762 | 7.8 | 1,152 | 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
