A.1. Characteristics of Participants Providing Usable E-mail Addresses
|
|
|
Usable e-mail |
No e-mail orunusable e-maila |
Chi2 |
|---|---|---|---|---|
| Total | 100.00(n = 1,646) | 64.03(n = 1,050) | 35.97(n = 596) | |
| Survey year | 2012 | 61.36 | 38.64 | 4.84* |
| 2013 | 66.57 | 33.43 | ||
| Sex | Male | 65.56 | 34.44 | 1.59 |
| Female | 62.58 | 37.42 | ||
| Race | White | 62.54 | 37.46 | 5.02 |
| Black | 69.97 | 30.03 | ||
| Hispanic | 63.64 | 36.36 | ||
| Others | 68.22 | 31.78 | ||
| Parent college | Yes | 66.44 | 33.56 | 7.05** |
| No | 58.82 | 41.18 | ||
| College plan | Yes | 66.78 | 33.22 | 6.99** |
| No | 60.02 | 39.98 |
*
p < 0.05.
**
p < 0.01.
a
No e-mail address was provided by 23% of the sample; unusable e-mail addresses (i.e., where messages were automatically returned to the sender as undeliverable) were provided by 13% of the sample. For these analyses, no e-mail and unusable e-mail addresses were combined.