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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 | 303,460 | 100.0 | 1,947 | 301,770 | 100.0 | 2,795 | 298,193 | 100.0 | 2,441 | Yes |
| Drove alone | 229,585 | 75.7 | 1,757 | 218,567 | 72.4 | 2,801 | 217,405 | 72.9 | 2,202 | Yes |
| 2-person Carpool | 23,660 | 7.8 | 617 | 24,976 | 8.3 | 1,400 | 23,296 | 7.8 | 1,048 | No |
| 3-or-more-person Carpool | 4,180 | 1.4 | 261 | 4,633 | 1.5 | 637 | 4,242 | 1.4 | 544 | No |
| Transit | 24,145 | 8.0 | 623 | 24,195 | 8.0 | 1,332 | 24,633 | 8.3 | 1,283 | No |
| Bike | 720 | 0.2 | 109 | 1,539 | 0.5 | 281 | 1,895 | 0.6 | 351 | Yes |
| Walked | 11,710 | 3.9 | 436 | 14,991 | 5.0 | 1,279 | 12,392 | 4.2 | 1,034 | No |
| Taxi, Motorcycle and Other means | 2,175 | 0.7 | 189 | 2,824 | 0.9 | 432 | 3,383 | 1.1 | 559 | Yes |
| Worked at Home | 7,285 | 2.4 | 344 | 10,045 | 3.3 | 857 | 10,947 | 3.7 | 844 | 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 | 278,900 | 100.0 | 1,890 | 285,642 | 100.0 | 2,704 | 286,241 | 100.0 | 2,482 | Yes |
| Drove alone | 190,245 | 68.2 | 1,629 | 199,204 | 69.7 | 2,818 | 200,996 | 70.2 | 2,874 | Yes |
| 2-person Carpool | 26,350 | 9.4 | 650 | 23,849 | 8.3 | 1,222 | 24,258 | 8.5 | 1,355 | Yes |
| 3-or-more-person Carpool | 4,330 | 1.6 | 266 | 4,321 | 1.5 | 551 | 4,012 | 1.4 | 584 | No |
| Transit | 36,460 | 13.1 | 762 | 33,684 | 11.8 | 1,488 | 30,539 | 10.7 | 1,380 | Yes |
| Bike | 170 | 0.1 | 53 | 476 | 0.2 | 194 | 694 | 0.2 | 183 | Yes |
| Walked | 12,295 | 4.4 | 446 | 13,083 | 4.6 | 1,078 | 11,964 | 4.2 | 856 | No |
| Taxi, Motorcycle and Other means | 1,750 | 0.6 | 169 | 1,317 | 0.5 | 288 | 2,761 | 1.0 | 455 | Yes |
| Worked at Home | 7,300 | 2.6 | 345 | 9,708 | 3.4 | 888 | 11,017 | 3.8 | 893 | 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
