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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 | 195,730 | 100.0 | 1,541 | 216,122 | 100.0 | 2,146 | 217,943 | 100.0 | 1,930 | Yes |
| Drove alone | 149,645 | 76.5 | 1,402 | 163,242 | 75.5 | 2,424 | 166,772 | 76.5 | 2,171 | Yes |
| 2-person Carpool | 15,670 | 8.0 | 501 | 16,116 | 7.5 | 1,010 | 15,820 | 7.3 | 1,045 | No |
| 3-or-more-person Carpool | 3,680 | 1.9 | 245 | 6,388 | 3.0 | 930 | 5,390 | 2.5 | 646 | Yes |
| Transit | 785 | 0.4 | 113 | 739 | 0.3 | 251 | 1,245 | 0.6 | 274 | Yes |
| Bike | 735 | 0.4 | 110 | 1,514 | 0.7 | 357 | 2,052 | 0.9 | 497 | Yes |
| Walked | 9,375 | 4.8 | 389 | 10,712 | 5.0 | 892 | 10,110 | 4.6 | 774 | No |
| Taxi, Motorcycle and Other means | 1,685 | 0.9 | 166 | 3,358 | 1.6 | 445 | 3,035 | 1.4 | 454 | Yes |
| Worked at Home | 14,160 | 7.2 | 477 | 14,053 | 6.5 | 933 | 13,519 | 6.2 | 791 | 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 | 176,920 | 100.0 | 1,489 | 198,105 | 100.0 | 1,954 | 195,246 | 100.0 | 1,963 | Yes |
| Drove alone | 138,585 | 78.3 | 1,361 | 157,251 | 79.4 | 2,297 | 155,857 | 79.8 | 1,993 | Yes |
| 2-person Carpool | 14,600 | 8.3 | 484 | 14,970 | 7.6 | 990 | 14,082 | 7.2 | 857 | No |
| 3-or-more-person Carpool | 4,860 | 2.7 | 281 | 4,866 | 2.5 | 564 | 5,758 | 2.9 | 635 | Yes |
| Transit | 661 | 0.4 | 104 | 1,110 | 0.6 | 404 | 1,207 | 0.6 | 343 | Yes |
| Bike | 215 | 0.1 | 59 | 583 | 0.3 | 204 | 753 | 0.4 | 279 | Yes |
| Walked | 7,410 | 4.2 | 347 | 8,581 | 4.3 | 841 | 7,164 | 3.7 | 656 | No |
| Taxi, Motorcycle and Other means | 585 | 0.3 | 98 | 1,062 | 0.5 | 322 | 1,222 | 0.6 | 304 | Yes |
| Worked at Home | 9,995 | 5.6 | 402 | 9,682 | 4.9 | 699 | 9,203 | 4.7 | 629 | 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
