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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 | 772,090 | 100.0 | 3,050 | 804,613 | 100.0 | 3,701 | 793,990 | 100.0 | 3,446 | Yes |
| Drove alone | 606,475 | 78.5 | 2,806 | 627,648 | 78.0 | 4,811 | 627,771 | 79.1 | 3,724 | Yes |
| 2-person Carpool | 68,200 | 8.8 | 1,044 | 67,330 | 8.4 | 2,211 | 60,830 | 7.7 | 2,030 | Yes |
| 3-or-more-person Carpool | 14,400 | 1.9 | 484 | 18,702 | 2.3 | 1,232 | 15,189 | 1.9 | 1,045 | No |
| Transit | 6,350 | 0.8 | 322 | 8,342 | 1.0 | 898 | 7,862 | 1.0 | 942 | Yes |
| Bike | 4,155 | 0.5 | 261 | 4,539 | 0.6 | 586 | 5,762 | 0.7 | 659 | Yes |
| Walked | 30,255 | 3.9 | 700 | 32,853 | 4.1 | 1,506 | 28,793 | 3.6 | 1,390 | No |
| Taxi, Motorcycle and Other means | 5,945 | 0.8 | 312 | 9,190 | 1.1 | 774 | 10,729 | 1.4 | 848 | Yes |
| Worked at Home | 36,320 | 4.7 | 766 | 36,009 | 4.5 | 1,544 | 37,054 | 4.7 | 1,379 | 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 | 697,670 | 100.0 | 2,949 | 726,395 | 100.0 | 4,010 | 725,777 | 100.0 | 3,952 | Yes |
| Drove alone | 548,535 | 78.6 | 2,701 | 575,812 | 79.3 | 4,402 | 586,801 | 80.9 | 3,856 | Yes |
| 2-person Carpool | 60,695 | 8.7 | 986 | 55,744 | 7.7 | 1,574 | 51,086 | 7.0 | 1,640 | Yes |
| 3-or-more-person Carpool | 15,405 | 2.2 | 501 | 15,726 | 2.2 | 920 | 13,949 | 1.9 | 841 | Yes |
| Transit | 7,945 | 1.1 | 360 | 8,985 | 1.2 | 1,035 | 8,694 | 1.2 | 1,073 | No |
| Bike | 1,085 | 0.2 | 133 | 1,813 | 0.2 | 357 | 1,779 | 0.2 | 354 | Yes |
| Walked | 27,835 | 4.0 | 672 | 27,963 | 3.8 | 1,253 | 24,776 | 3.4 | 1,229 | Yes |
| Taxi, Motorcycle and Other means | 2,705 | 0.4 | 210 | 3,384 | 0.5 | 464 | 4,595 | 0.6 | 565 | Yes |
| Worked at Home | 33,465 | 4.8 | 736 | 36,968 | 5.1 | 1,670 | 34,097 | 4.7 | 1,347 | 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
