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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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Male | At Place of Residence | |||||||||
| Total Workers | 162,130 | 100.0 | 1,684 | 191,678 | 100.0 | 2,852 | 185,380 | 100.0 | 2,576 | Yes |
| Drove alone | 77,150 | 47.6 | 1,252 | 83,451 | 43.5 | 3,138 | 78,455 | 42.3 | 2,084 | No |
| 2-person Carpool | 11,650 | 7.2 | 512 | 10,495 | 5.5 | 1,208 | 10,796 | 5.8 | 1,053 | No |
| 3-or-more-person Carpool | 3,415 | 2.1 | 279 | 4,483 | 2.3 | 809 | 3,223 | 1.7 | 638 | No |
| Transit | 44,450 | 27.4 | 975 | 58,775 | 30.7 | 2,532 | 56,448 | 30.4 | 2,255 | Yes |
| Bike | 2,235 | 1.4 | 226 | 3,515 | 1.8 | 707 | 3,946 | 2.1 | 708 | Yes |
| Walked | 18,000 | 11.1 | 633 | 23,124 | 12.1 | 1,582 | 25,057 | 13.5 | 1,585 | Yes |
| Taxi, Motorcycle and Other means | 1,735 | 1.1 | 199 | 2,236 | 1.2 | 499 | 1,556 | 0.8 | 427 | No |
| Worked at Home | 3,490 | 2.2 | 282 | 5,599 | 2.9 | 747 | 5,899 | 3.2 | 812 | 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 | 158,850 | 100.0 | 1,672 | 190,230 | 100.0 | 2,745 | 180,648 | 100.0 | 2,227 | Yes |
| Drove alone | 63,085 | 39.7 | 1,145 | 78,249 | 41.1 | 2,782 | 69,045 | 38.2 | 2,433 | Yes |
| 2-person Carpool | 12,860 | 8.1 | 537 | 10,998 | 5.8 | 1,205 | 11,257 | 6.2 | 1,077 | Yes |
| 3-or-more-person Carpool | 3,480 | 2.2 | 281 | 3,880 | 2.0 | 741 | 3,055 | 1.7 | 553 | No |
| Transit | 53,515 | 33.7 | 1,062 | 62,770 | 33.0 | 2,639 | 61,443 | 34.0 | 2,165 | Yes |
| Bike | 605 | 0.4 | 118 | 1,708 | 0.9 | 449 | 1,736 | 1.0 | 318 | Yes |
| Walked | 19,865 | 12.5 | 664 | 24,843 | 13.1 | 1,466 | 25,550 | 14.1 | 1,641 | Yes |
| Taxi, Motorcycle and Other means | 1,615 | 1.0 | 192 | 2,391 | 1.3 | 657 | 1,377 | 0.8 | 367 | No |
| Worked at Home | 3,825 | 2.4 | 295 | 5,391 | 2.8 | 646 | 7,185 | 4.0 | 790 | 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
