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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 | 427,200 | 100.0 | 2,355 | 365,915 | 100.0 | 3,515 | 325,858 | 100.0 | 3,239 | Yes |
| Drove alone | 348,095 | 81.5 | 2,176 | 297,062 | 81.2 | 3,952 | 264,191 | 81.1 | 3,536 | Yes |
| 2-person Carpool | 36,315 | 8.5 | 764 | 27,538 | 7.5 | 1,794 | 25,217 | 7.7 | 1,620 | Yes |
| 3-or-more-person Carpool | 10,735 | 2.5 | 418 | 7,506 | 2.1 | 932 | 6,911 | 2.1 | 801 | Yes |
| Transit | 14,454 | 3.4 | 485 | 10,922 | 3.0 | 1,184 | 9,816 | 3.0 | 894 | Yes |
| Bike | 975 | 0.2 | 126 | 1,975 | 0.5 | 436 | 1,140 | 0.3 | 252 | No |
| Walked | 7,855 | 1.8 | 358 | 8,579 | 2.3 | 1,051 | 6,567 | 2.0 | 751 | Yes |
| Taxi, Motorcycle and Other means | 3,485 | 0.8 | 239 | 3,839 | 1.0 | 555 | 3,774 | 1.2 | 618 | No |
| Worked at Home | 5,275 | 1.2 | 293 | 8,494 | 2.3 | 945 | 8,242 | 2.5 | 801 | 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 | 400,110 | 100.0 | 2,298 | 366,885 | 100.0 | 3,549 | 327,609 | 100.0 | 3,600 | Yes |
| Drove alone | 314,720 | 78.7 | 2,089 | 296,695 | 80.9 | 3,996 | 266,271 | 81.3 | 3,721 | Yes |
| 2-person Carpool | 38,710 | 9.7 | 789 | 28,086 | 7.7 | 1,364 | 26,013 | 7.9 | 1,291 | Yes |
| 3-or-more-person Carpool | 10,765 | 2.7 | 419 | 6,020 | 1.6 | 703 | 6,608 | 2.0 | 737 | Yes |
| Transit | 14,960 | 3.7 | 493 | 14,594 | 4.0 | 1,214 | 11,650 | 3.6 | 1,109 | Yes |
| Bike | 195 | 0.0 | 56 | 509 | 0.1 | 190 | 549 | 0.2 | 163 | Yes |
| Walked | 7,805 | 2.0 | 357 | 6,994 | 1.9 | 871 | 4,911 | 1.5 | 580 | Yes |
| Taxi, Motorcycle and Other means | 3,630 | 0.9 | 244 | 3,854 | 1.1 | 664 | 3,195 | 1.0 | 573 | No |
| Worked at Home | 9,330 | 2.3 | 390 | 10,133 | 2.8 | 944 | 8,412 | 2.6 | 652 | 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
