Table 1.
Sample descriptors (N = 3,448)
| Variable | M | SD | n | % |
| Demographics | ||||
| Race/ethnicity | ||||
| African American | 167 | 4.9 | ||
| Asian/Pacific Islander | 398 | 11.7 | ||
| Hispanic/Latino | 288 | 8.5 | ||
| White | 2,387 | 70.3 | ||
| Native American | 29 | 0.9 | ||
| Other | 47 | 1.4 | ||
| Multiracial | 79 | 2.3 | ||
| Age, in years | 20.78 | 1.76 | ||
| Sex | ||||
| Female | 1,642 | 48.4 | ||
| Male | 1,745 | 51.6 | ||
| Average hours of Internet use per day, (range: 1–8 hours) | 3.84 | 1.32 | ||
| Level of education | ||||
| Eighth grade or less | 5 | 0.1 | ||
| Some high school | 127 | 3.7 | ||
| Graduated high school | 781 | 23.1 | ||
| Technical school, associate’s degree, or some college | 1,826 | 53.8 | ||
| College | 489 | 14.4 | ||
| Some graduate school | 129 | 3.8 | ||
| Graduate school | 36 | 1.1 |