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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 | 138,025 | 100.0 | 1,577 | 141,995 | 100.0 | 2,059 | 132,394 | 100.0 | 2,212 | Yes |
| Drove alone | 105,995 | 76.8 | 1,424 | 111,986 | 78.9 | 2,339 | 103,350 | 78.1 | 2,513 | No |
| 2-person Carpool | 14,940 | 10.8 | 578 | 12,402 | 8.7 | 1,364 | 14,047 | 10.6 | 1,224 | No |
| 3-or-more-person Carpool | 6,180 | 4.5 | 374 | 5,232 | 3.7 | 898 | 3,794 | 2.9 | 762 | Yes |
| Transit | 3,839 | 2.8 | 295 | 3,534 | 2.5 | 649 | 3,154 | 2.4 | 538 | Yes |
| Bike | 255 | 0.2 | 76 | 230 | 0.2 | 127 | 424 | 0.3 | 155 | No |
| Walked | 2,905 | 2.1 | 257 | 3,447 | 2.4 | 711 | 3,206 | 2.4 | 528 | No |
| Taxi, Motorcycle and Other means | 1,610 | 1.2 | 192 | 1,770 | 1.2 | 447 | 1,541 | 1.2 | 428 | No |
| Worked at Home | 2,295 | 1.7 | 229 | 3,394 | 2.4 | 606 | 2,878 | 2.2 | 580 | No |
| 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 | 136,910 | 100.0 | 1,572 | 145,658 | 100.0 | 2,394 | 136,762 | 100.0 | 2,578 | No |
| Drove alone | 104,620 | 76.4 | 1,417 | 117,990 | 81.0 | 2,346 | 109,301 | 79.9 | 2,628 | Yes |
| 2-person Carpool | 16,710 | 12.2 | 610 | 13,452 | 9.2 | 1,096 | 13,805 | 10.1 | 1,065 | Yes |
| 3-or-more-person Carpool | 5,325 | 3.9 | 348 | 3,201 | 2.2 | 596 | 3,640 | 2.7 | 649 | Yes |
| Transit | 4,180 | 3.1 | 308 | 3,852 | 2.6 | 639 | 3,336 | 2.4 | 551 | Yes |
| Bike | 50 | 0.0 | 34 | 225 | 0.2 | 181 | 164 | 0.1 | 122 | No |
| Walked | 2,395 | 1.7 | 234 | 2,358 | 1.6 | 513 | 1,859 | 1.4 | 337 | Yes |
| Taxi, Motorcycle and Other means | 1,180 | 0.9 | 164 | 1,391 | 1.0 | 404 | 1,466 | 1.1 | 344 | No |
| Worked at Home | 2,445 | 1.8 | 236 | 3,189 | 2.2 | 514 | 3,191 | 2.3 | 504 | 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
