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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 | 1,611,595 | 100.0 | 5,244 | 1,667,825 | 100.0 | 7,015 | 1,638,846 | 100.0 | 5,660 | Yes |
| Drove alone | 1,211,510 | 75.2 | 4,735 | 1,211,120 | 72.6 | 8,174 | 1,187,865 | 72.5 | 7,276 | Yes |
| 2-person Carpool | 117,565 | 7.3 | 1,624 | 110,903 | 6.6 | 3,032 | 103,606 | 6.3 | 3,453 | Yes |
| 3-or-more-person Carpool | 24,805 | 1.5 | 752 | 30,299 | 1.8 | 1,985 | 25,899 | 1.6 | 1,609 | No |
| Transit | 124,750 | 7.7 | 1,672 | 146,498 | 8.8 | 3,899 | 146,309 | 8.9 | 4,327 | Yes |
| Bike | 9,565 | 0.6 | 467 | 16,812 | 1.0 | 1,539 | 15,950 | 1.0 | 1,121 | Yes |
| Walked | 64,940 | 4.0 | 1,212 | 71,276 | 4.3 | 3,107 | 74,654 | 4.6 | 3,030 | Yes |
| Taxi, Motorcycle and Other means | 13,800 | 0.9 | 561 | 16,148 | 1.0 | 1,224 | 15,465 | 0.9 | 1,252 | Yes |
| Worked at Home | 44,650 | 2.8 | 1,007 | 64,769 | 3.9 | 2,355 | 69,098 | 4.2 | 2,780 | 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 | 1,491,245 | 100.0 | 5,108 | 1,584,428 | 100.0 | 6,986 | 1,581,802 | 100.0 | 6,506 | Yes |
| Drove alone | 1,078,750 | 72.3 | 4,525 | 1,138,771 | 71.9 | 6,968 | 1,139,392 | 72.0 | 6,706 | Yes |
| 2-person Carpool | 112,870 | 7.6 | 1,592 | 104,031 | 6.6 | 2,915 | 102,759 | 6.5 | 2,897 | Yes |
| 3-or-more-person Carpool | 23,870 | 1.6 | 737 | 26,011 | 1.6 | 1,891 | 24,080 | 1.5 | 1,390 | No |
| Transit | 139,440 | 9.4 | 1,766 | 152,364 | 9.6 | 4,307 | 148,797 | 9.4 | 3,171 | Yes |
| Bike | 2,790 | 0.2 | 253 | 6,652 | 0.4 | 746 | 6,751 | 0.4 | 797 | Yes |
| Walked | 69,625 | 4.7 | 1,255 | 78,201 | 4.9 | 2,855 | 78,376 | 5.0 | 2,738 | Yes |
| Taxi, Motorcycle and Other means | 11,045 | 0.7 | 502 | 11,520 | 0.7 | 1,072 | 11,748 | 0.7 | 982 | No |
| Worked at Home | 52,855 | 3.5 | 1,095 | 66,878 | 4.2 | 2,497 | 69,899 | 4.4 | 1,778 | 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
