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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 | 198,910 | 100.0 | 2,008 | 233,189 | 100.0 | 2,780 | 214,138 | 100.0 | 2,663 | Yes |
| Drove alone | 146,390 | 73.6 | 1,791 | 176,354 | 75.6 | 3,372 | 165,816 | 77.4 | 2,442 | Yes |
| 2-person Carpool | 23,300 | 11.7 | 775 | 21,075 | 9.0 | 1,590 | 14,452 | 6.7 | 1,152 | Yes |
| 3-or-more-person Carpool | 6,375 | 3.2 | 410 | 5,521 | 2.4 | 890 | 4,871 | 2.3 | 718 | Yes |
| Transit | 4,775 | 2.4 | 355 | 5,321 | 2.3 | 855 | 4,531 | 2.1 | 792 | No |
| Bike | 3,670 | 1.8 | 311 | 3,863 | 1.7 | 652 | 4,638 | 2.2 | 727 | Yes |
| Walked | 4,955 | 2.5 | 361 | 6,143 | 2.6 | 980 | 4,990 | 2.3 | 656 | No |
| Taxi, Motorcycle and Other means | 3,580 | 1.8 | 307 | 6,100 | 2.6 | 817 | 5,395 | 2.5 | 755 | Yes |
| Worked at Home | 5,870 | 3.0 | 393 | 8,812 | 3.8 | 944 | 9,445 | 4.4 | 911 | 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 | 170,350 | 100.0 | 1,899 | 205,169 | 100.0 | 2,576 | 193,754 | 100.0 | 3,115 | Yes |
| Drove alone | 126,310 | 74.1 | 1,688 | 155,953 | 76.0 | 2,473 | 148,686 | 76.7 | 3,118 | Yes |
| 2-person Carpool | 19,500 | 11.4 | 711 | 18,414 | 9.0 | 1,287 | 15,639 | 8.1 | 1,244 | Yes |
| 3-or-more-person Carpool | 5,085 | 3.0 | 366 | 4,571 | 2.2 | 623 | 4,213 | 2.2 | 644 | Yes |
| Transit | 4,330 | 2.5 | 338 | 5,853 | 2.9 | 798 | 5,102 | 2.6 | 678 | Yes |
| Bike | 1,600 | 0.9 | 206 | 1,395 | 0.7 | 310 | 2,068 | 1.1 | 491 | No |
| Walked | 4,595 | 2.7 | 348 | 4,921 | 2.4 | 662 | 5,002 | 2.6 | 748 | No |
| Taxi, Motorcycle and Other means | 1,320 | 0.8 | 187 | 3,107 | 1.5 | 735 | 2,609 | 1.3 | 480 | Yes |
| Worked at Home | 7,610 | 4.5 | 447 | 10,955 | 5.3 | 923 | 10,435 | 5.4 | 692 | 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
