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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 | 139,005 | 100.0 | 1,392 | 150,519 | 100.0 | 1,732 | 154,177 | 100.0 | 1,628 | Yes |
| Drove alone | 110,155 | 79.2 | 1,289 | 117,420 | 78.0 | 2,122 | 119,750 | 77.7 | 2,045 | Yes |
| 2-person Carpool | 12,410 | 8.9 | 485 | 10,421 | 6.9 | 948 | 10,482 | 6.8 | 940 | Yes |
| 3-or-more-person Carpool | 3,055 | 2.2 | 243 | 3,018 | 2.0 | 719 | 3,442 | 2.2 | 617 | No |
| Transit | 4,055 | 2.9 | 280 | 6,604 | 4.4 | 829 | 7,557 | 4.9 | 881 | Yes |
| Bike | 555 | 0.4 | 104 | 835 | 0.6 | 249 | 1,057 | 0.7 | 319 | Yes |
| Walked | 2,195 | 1.6 | 206 | 2,854 | 1.9 | 523 | 2,578 | 1.7 | 575 | No |
| Taxi, Motorcycle and Other means | 1,305 | 0.9 | 159 | 2,035 | 1.4 | 439 | 1,748 | 1.1 | 390 | Yes |
| Worked at Home | 5,270 | 3.8 | 319 | 7,332 | 4.9 | 671 | 7,563 | 4.9 | 787 | 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 | 121,265 | 100.0 | 1,332 | 129,767 | 100.0 | 1,930 | 137,127 | 100.0 | 1,773 | Yes |
| Drove alone | 95,035 | 78.4 | 1,221 | 101,371 | 78.1 | 2,144 | 109,413 | 79.8 | 2,164 | Yes |
| 2-person Carpool | 10,615 | 8.8 | 450 | 9,490 | 7.3 | 876 | 9,697 | 7.1 | 991 | No |
| 3-or-more-person Carpool | 2,225 | 1.8 | 208 | 1,683 | 1.3 | 344 | 2,105 | 1.5 | 555 | No |
| Transit | 4,185 | 3.5 | 284 | 5,759 | 4.4 | 698 | 6,116 | 4.5 | 750 | Yes |
| Bike | 65 | 0.1 | 36 | 273 | 0.2 | 146 | 203 | 0.1 | 119 | Yes |
| Walked | 1,885 | 1.6 | 191 | 2,183 | 1.7 | 372 | 1,568 | 1.1 | 310 | No |
| Taxi, Motorcycle and Other means | 600 | 0.5 | 108 | 1,119 | 0.9 | 273 | 1,039 | 0.8 | 254 | Yes |
| Worked at Home | 6,650 | 5.5 | 357 | 7,889 | 6.1 | 892 | 6,986 | 5.1 | 668 | No |
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
