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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 | 175,330 | 100.0 | 1,851 | 184,357 | 100.0 | 2,649 | 161,261 | 100.0 | 2,389 | Yes |
| Drove alone | 121,320 | 69.2 | 1,622 | 127,486 | 69.2 | 3,000 | 113,661 | 70.5 | 2,696 | Yes |
| 2-person Carpool | 18,090 | 10.3 | 683 | 13,153 | 7.1 | 1,542 | 11,764 | 7.3 | 1,154 | Yes |
| 3-or-more-person Carpool | 10,935 | 6.2 | 534 | 9,011 | 4.9 | 1,706 | 6,732 | 4.2 | 1,128 | Yes |
| Transit | 13,535 | 7.7 | 593 | 16,315 | 8.8 | 1,747 | 13,926 | 8.6 | 1,609 | No |
| Bike | 410 | 0.2 | 104 | 648 | 0.4 | 301 | 511 | 0.3 | 258 | No |
| Walked | 3,225 | 1.8 | 292 | 3,999 | 2.2 | 857 | 2,896 | 1.8 | 677 | No |
| Taxi, Motorcycle and Other means | 2,550 | 1.5 | 260 | 5,447 | 3.0 | 1,009 | 3,425 | 2.1 | 863 | No |
| Worked at Home | 5,270 | 3.0 | 372 | 8,298 | 4.5 | 1,022 | 8,346 | 5.2 | 876 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Female | At Place of Residence | |||||||||
| Total Workers | 165,780 | 100.0 | 1,817 | 176,986 | 100.0 | 2,917 | 155,832 | 100.0 | 2,684 | Yes |
| Drove alone | 119,055 | 71.8 | 1,610 | 134,679 | 76.1 | 2,716 | 113,658 | 72.9 | 3,005 | Yes |
| 2-person Carpool | 18,665 | 11.3 | 694 | 11,543 | 6.5 | 1,125 | 11,771 | 7.6 | 1,154 | Yes |
| 3-or-more-person Carpool | 4,910 | 3.0 | 360 | 3,441 | 1.9 | 587 | 3,861 | 2.5 | 819 | Yes |
| Transit | 13,755 | 8.3 | 598 | 13,679 | 7.7 | 1,194 | 13,186 | 8.5 | 1,185 | No |
| Bike | 70 | 0.0 | 43 | 168 | 0.1 | 117 | 298 | 0.2 | 169 | Yes |
| Walked | 2,800 | 1.7 | 272 | 2,773 | 1.6 | 699 | 2,752 | 1.8 | 417 | No |
| Taxi, Motorcycle and Other means | 1,420 | 0.9 | 194 | 2,201 | 1.2 | 500 | 2,155 | 1.4 | 536 | Yes |
| Worked at Home | 5,110 | 3.1 | 367 | 8,502 | 4.8 | 837 | 8,151 | 5.2 | 854 | 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
