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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 | 2,417,685 | 100.0 | 5,473 | 2,239,400 | 100.0 | 7,573 | 2,113,859 | 100.0 | 7,124 | Yes |
| Drove alone | 2,026,360 | 83.8 | 5,139 | 1,836,888 | 82.0 | 8,069 | 1,739,529 | 82.3 | 7,258 | Yes |
| 2-person Carpool | 190,150 | 7.9 | 1,747 | 172,774 | 7.7 | 4,149 | 154,412 | 7.3 | 3,391 | Yes |
| 3-or-more-person Carpool | 43,480 | 1.8 | 842 | 42,973 | 1.9 | 1,902 | 39,783 | 1.9 | 1,719 | Yes |
| Transit | 27,775 | 1.1 | 673 | 27,168 | 1.2 | 1,616 | 26,413 | 1.2 | 1,554 | No |
| Bike | 8,120 | 0.3 | 364 | 12,910 | 0.6 | 945 | 13,686 | 0.6 | 1,096 | Yes |
| Walked | 52,445 | 2.2 | 924 | 53,640 | 2.4 | 2,019 | 47,945 | 2.3 | 1,834 | Yes |
| Taxi, Motorcycle and Other means | 16,490 | 0.7 | 519 | 21,101 | 0.9 | 1,171 | 19,962 | 0.9 | 1,336 | Yes |
| Worked at Home | 52,855 | 2.2 | 928 | 71,946 | 3.2 | 2,231 | 72,129 | 3.4 | 2,450 | 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 | 2,122,690 | 100.0 | 5,228 | 2,073,181 | 100.0 | 8,381 | 2,000,593 | 100.0 | 7,533 | Yes |
| Drove alone | 1,750,175 | 82.5 | 4,859 | 1,722,321 | 83.1 | 8,485 | 1,668,430 | 83.4 | 7,717 | Yes |
| 2-person Carpool | 168,320 | 7.9 | 1,646 | 144,648 | 7.0 | 3,256 | 136,347 | 6.8 | 2,876 | Yes |
| 3-or-more-person Carpool | 38,650 | 1.8 | 794 | 32,872 | 1.6 | 1,638 | 35,454 | 1.8 | 1,649 | Yes |
| Transit | 28,535 | 1.3 | 683 | 31,088 | 1.5 | 1,438 | 28,919 | 1.4 | 1,810 | No |
| Bike | 1,910 | 0.1 | 177 | 5,296 | 0.3 | 621 | 4,962 | 0.2 | 535 | Yes |
| Walked | 49,065 | 2.3 | 894 | 46,804 | 2.3 | 2,173 | 41,733 | 2.1 | 1,856 | Yes |
| Taxi, Motorcycle and Other means | 11,125 | 0.5 | 427 | 12,269 | 0.6 | 949 | 10,580 | 0.5 | 961 | No |
| Worked at Home | 74,910 | 3.5 | 1,103 | 77,883 | 3.8 | 2,164 | 74,168 | 3.7 | 2,101 | 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
