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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 | 1,861,425 | 100.0 | 5,601 | 2,046,759 | 100.0 | 9,259 | 2,050,731 | 100.0 | 6,646 | Yes |
| Drove alone | 1,430,465 | 76.8 | 5,109 | 1,558,039 | 76.1 | 9,371 | 1,567,472 | 76.4 | 8,396 | Yes |
| 2-person Carpool | 178,630 | 9.6 | 1,995 | 165,924 | 8.1 | 3,962 | 154,526 | 7.5 | 3,983 | Yes |
| 3-or-more-person Carpool | 65,810 | 3.5 | 1,221 | 65,344 | 3.2 | 2,931 | 52,715 | 2.6 | 2,571 | Yes |
| Transit | 59,665 | 3.2 | 1,163 | 85,273 | 4.2 | 3,082 | 91,362 | 4.5 | 3,386 | Yes |
| Bike | 6,570 | 0.4 | 387 | 9,503 | 0.5 | 954 | 10,525 | 0.5 | 1,010 | Yes |
| Walked | 46,480 | 2.5 | 1,028 | 50,502 | 2.5 | 3,379 | 54,059 | 2.6 | 2,786 | Yes |
| Taxi, Motorcycle and Other means | 24,775 | 1.3 | 751 | 25,276 | 1.2 | 1,479 | 27,389 | 1.3 | 1,716 | Yes |
| Worked at Home | 49,035 | 2.6 | 1,055 | 86,898 | 4.2 | 4,433 | 92,683 | 4.5 | 3,062 | 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 | 1,620,395 | 100.0 | 5,345 | 1,802,312 | 100.0 | 7,747 | 1,849,000 | 100.0 | 7,187 | Yes |
| Drove alone | 1,255,450 | 77.5 | 4,860 | 1,408,968 | 78.2 | 8,120 | 1,452,334 | 78.5 | 7,801 | Yes |
| 2-person Carpool | 151,330 | 9.3 | 1,840 | 139,560 | 7.7 | 3,595 | 131,970 | 7.1 | 3,447 | Yes |
| 3-or-more-person Carpool | 45,325 | 2.8 | 1,015 | 40,883 | 2.3 | 1,978 | 37,956 | 2.1 | 1,819 | Yes |
| Transit | 60,140 | 3.7 | 1,168 | 78,355 | 4.3 | 3,018 | 82,031 | 4.4 | 3,122 | Yes |
| Bike | 1,360 | 0.1 | 176 | 3,627 | 0.2 | 793 | 3,218 | 0.2 | 508 | Yes |
| Walked | 34,005 | 2.1 | 880 | 36,924 | 2.0 | 1,559 | 39,809 | 2.2 | 2,208 | Yes |
| Taxi, Motorcycle and Other means | 11,760 | 0.7 | 518 | 13,958 | 0.8 | 1,365 | 14,165 | 0.8 | 1,272 | Yes |
| Worked at Home | 61,030 | 3.8 | 1,176 | 80,037 | 4.4 | 2,791 | 87,517 | 4.7 | 2,636 | 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
