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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 | 177,960 | 100.0 | 1,742 | 202,502 | 100.0 | 2,286 | 191,148 | 100.0 | 2,460 | Yes |
| Drove alone | 135,390 | 76.1 | 1,580 | 147,845 | 73.0 | 2,313 | 150,069 | 78.5 | 2,285 | Yes |
| 2-person Carpool | 19,345 | 10.9 | 656 | 18,983 | 9.4 | 1,430 | 14,138 | 7.4 | 1,110 | Yes |
| 3-or-more-person Carpool | 5,265 | 3.0 | 346 | 6,712 | 3.3 | 1,005 | 4,585 | 2.4 | 600 | No |
| Transit | 4,425 | 2.5 | 317 | 6,580 | 3.2 | 793 | 6,725 | 3.5 | 644 | Yes |
| Bike | 565 | 0.3 | 114 | 752 | 0.4 | 234 | 1,068 | 0.6 | 320 | Yes |
| Walked | 5,950 | 3.3 | 367 | 8,394 | 4.1 | 1,249 | 4,799 | 2.5 | 738 | Yes |
| Taxi, Motorcycle and Other means | 2,250 | 1.3 | 226 | 3,949 | 2.0 | 749 | 3,022 | 1.6 | 435 | Yes |
| Worked at Home | 4,775 | 2.7 | 329 | 9,287 | 4.6 | 1,510 | 6,742 | 3.5 | 668 | 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 | 146,325 | 100.0 | 1,627 | 170,289 | 100.0 | 2,288 | 167,777 | 100.0 | 2,641 | Yes |
| Drove alone | 112,210 | 76.7 | 1,468 | 130,050 | 76.4 | 2,653 | 132,528 | 79.0 | 2,827 | Yes |
| 2-person Carpool | 14,880 | 10.2 | 577 | 14,403 | 8.5 | 1,139 | 12,237 | 7.3 | 966 | Yes |
| 3-or-more-person Carpool | 3,670 | 2.5 | 289 | 4,593 | 2.7 | 632 | 2,973 | 1.8 | 496 | Yes |
| Transit | 4,258 | 2.9 | 311 | 6,527 | 3.8 | 808 | 5,795 | 3.5 | 695 | Yes |
| Bike | 85 | 0.1 | 44 | 345 | 0.2 | 173 | 334 | 0.2 | 196 | Yes |
| Walked | 3,465 | 2.4 | 281 | 5,427 | 3.2 | 988 | 4,790 | 2.9 | 812 | Yes |
| Taxi, Motorcycle and Other means | 970 | 0.7 | 149 | 1,105 | 0.6 | 313 | 1,266 | 0.8 | 352 | No |
| Worked at Home | 6,790 | 4.6 | 392 | 7,839 | 4.6 | 745 | 7,854 | 4.7 | 854 | 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
