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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 | 492,600 | 100.0 | 2,841 | 542,480 | 100.0 | 3,682 | 541,934 | 100.0 | 3,236 | Yes |
| Drove alone | 348,460 | 70.7 | 2,524 | 364,800 | 67.2 | 3,651 | 358,680 | 66.2 | 3,895 | Yes |
| 2-person Carpool | 44,285 | 9.0 | 993 | 45,594 | 8.4 | 2,230 | 42,515 | 7.8 | 2,047 | No |
| 3-or-more-person Carpool | 10,795 | 2.2 | 495 | 12,275 | 2.3 | 1,293 | 11,354 | 2.1 | 1,219 | No |
| Transit | 40,260 | 8.2 | 948 | 54,469 | 10.0 | 2,359 | 54,965 | 10.1 | 2,288 | Yes |
| Bike | 5,980 | 1.2 | 369 | 9,027 | 1.7 | 888 | 11,760 | 2.2 | 1,082 | Yes |
| Walked | 17,905 | 3.6 | 637 | 23,278 | 4.3 | 1,778 | 25,498 | 4.7 | 1,814 | Yes |
| Taxi, Motorcycle and Other means | 5,375 | 1.1 | 350 | 8,352 | 1.5 | 952 | 7,321 | 1.4 | 751 | Yes |
| Worked at Home | 19,535 | 4.0 | 665 | 24,685 | 4.6 | 1,370 | 29,841 | 5.5 | 1,442 | 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 | 419,080 | 100.0 | 2,696 | 455,526 | 100.0 | 2,807 | 461,651 | 100.0 | 3,856 | Yes |
| Drove alone | 278,115 | 66.4 | 2,311 | 291,924 | 64.1 | 3,076 | 297,991 | 64.5 | 4,262 | Yes |
| 2-person Carpool | 44,465 | 10.6 | 995 | 42,177 | 9.3 | 1,852 | 39,721 | 8.6 | 1,831 | Yes |
| 3-or-more-person Carpool | 10,020 | 2.4 | 477 | 9,566 | 2.1 | 864 | 9,790 | 2.1 | 820 | No |
| Transit | 46,355 | 11.1 | 1,016 | 58,501 | 12.8 | 2,430 | 54,554 | 11.8 | 1,798 | Yes |
| Bike | 1,840 | 0.4 | 205 | 3,722 | 0.8 | 578 | 4,312 | 0.9 | 642 | Yes |
| Walked | 15,235 | 3.6 | 588 | 20,063 | 4.4 | 1,316 | 20,319 | 4.4 | 1,220 | Yes |
| Taxi, Motorcycle and Other means | 2,170 | 0.5 | 223 | 2,941 | 0.6 | 481 | 3,793 | 0.8 | 579 | Yes |
| Worked at Home | 20,880 | 5.0 | 687 | 26,632 | 5.8 | 1,212 | 31,171 | 6.8 | 1,842 | 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
