| Data Points (as of 09/06/98) | Males | Females | Total |
|---|---|---|---|
| Number of Data Points | 2078 | 1578 | 3656 |
| Number of Distinct Participants | 872 | 748 | 1620 |
| Year First Collected | 1972 | 1985 | - |
| Year Last Collected | 1998 | 1998 | - |
| Value | Meaning |
|---|---|
| 0 | No, farther than 2 hours away |
| 1 | Yes, within 2 hours of Balt. |
Revised 09/18/98 -- Send comments to our Web Master .