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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 | 163,495 | 100.0 | 1,419 | 179,120 | 100.0 | 2,024 | 182,560 | 100.0 | 1,903 | Yes |
| Drove alone | 132,420 | 81.0 | 1,317 | 146,119 | 81.6 | 2,296 | 147,164 | 80.6 | 2,262 | Yes |
| 2-person Carpool | 16,135 | 9.9 | 508 | 16,217 | 9.1 | 1,301 | 16,603 | 9.1 | 1,206 | No |
| 3-or-more-person Carpool | 4,345 | 2.7 | 266 | 5,185 | 2.9 | 946 | 6,015 | 3.3 | 1,064 | Yes |
| Transit | 1,190 | 0.7 | 139 | 1,190 | 0.7 | 351 | 874 | 0.5 | 256 | Yes |
| Bike | 310 | 0.2 | 71 | 448 | 0.3 | 150 | 607 | 0.3 | 145 | Yes |
| Walked | 2,995 | 1.8 | 221 | 3,039 | 1.7 | 488 | 3,431 | 1.9 | 569 | No |
| Taxi, Motorcycle and Other means | 2,175 | 1.3 | 188 | 1,942 | 1.1 | 354 | 2,100 | 1.2 | 415 | No |
| Worked at Home | 3,925 | 2.4 | 253 | 4,980 | 2.8 | 623 | 5,766 | 3.2 | 588 | 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 | 141,560 | 100.0 | 1,349 | 155,886 | 100.0 | 1,984 | 156,139 | 100.0 | 2,256 | Yes |
| Drove alone | 113,930 | 80.5 | 1,242 | 130,034 | 83.4 | 2,099 | 130,802 | 83.8 | 2,481 | Yes |
| 2-person Carpool | 14,815 | 10.5 | 487 | 13,656 | 8.8 | 1,045 | 12,363 | 7.9 | 1,051 | Yes |
| 3-or-more-person Carpool | 3,465 | 2.4 | 238 | 2,611 | 1.7 | 404 | 2,311 | 1.5 | 384 | Yes |
| Transit | 904 | 0.6 | 122 | 829 | 0.5 | 283 | 800 | 0.5 | 249 | No |
| Bike | 90 | 0.1 | 38 | 219 | 0.1 | 153 | 197 | 0.1 | 149 | No |
| Walked | 2,330 | 1.6 | 195 | 2,080 | 1.3 | 450 | 2,516 | 1.6 | 491 | No |
| Taxi, Motorcycle and Other means | 1,290 | 0.9 | 145 | 1,134 | 0.7 | 381 | 1,188 | 0.8 | 336 | No |
| Worked at Home | 4,740 | 3.3 | 278 | 5,323 | 3.4 | 552 | 5,962 | 3.8 | 572 | 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
