Table 1 Open in new tab Sample...

	Mean or % (N)	S.D.
Gender:
male	34% (98)
female	66% (188)
Age	20.1	1.64
Ethnicity:
white	87% (247)
non-white	13% (36)
Income¹	3.18	2.04
Year in school²	2.55	1.07
Home residence:
In-state	91% (259)
out-of-state	09% (25)
Local residence:
on campus	55% (157)
off campus	45% (127)
Member of fraternity or sorority	08% (23)	1.01
Hours of Internet use per day²	2 hours 56 min.	1:52
Facebook members	94% (268)

	Mean or % (N)	S.D.
Gender:
male	34% (98)
female	66% (188)
Age	20.1	1.64
Ethnicity:
white	87% (247)
non-white	13% (36)
Income¹	3.18	2.04
Year in school²	2.55	1.07
Home residence:
In-state	91% (259)
out-of-state	09% (25)
Local residence:
on campus	55% (157)
off campus	45% (127)
Member of fraternity or sorority	08% (23)	1.01
Hours of Internet use per day²	2 hours 56 min.	1:52
Facebook members	94% (268)

Table 1

Sample demographics (N = 286)

	Mean or % (N)	S.D.
Gender:
male	34% (98)
female	66% (188)
Age	20.1	1.64
Ethnicity:
white	87% (247)
non-white	13% (36)
Income¹	3.18	2.04
Year in school²	2.55	1.07
Home residence:
In-state	91% (259)
out-of-state	09% (25)
Local residence:
on campus	55% (157)
off campus	45% (127)
Member of fraternity or sorority	08% (23)	1.01
Hours of Internet use per day²	2 hours 56 min.	1:52
Facebook members	94% (268)

	Mean or % (N)	S.D.
Gender:
male	34% (98)
female	66% (188)
Age	20.1	1.64
Ethnicity:
white	87% (247)
non-white	13% (36)
Income¹	3.18	2.04
Year in school²	2.55	1.07
Home residence:
In-state	91% (259)
out-of-state	09% (25)
Local residence:
on campus	55% (157)
off campus	45% (127)
Member of fraternity or sorority	08% (23)	1.01
Hours of Internet use per day²	2 hours 56 min.	1:52
Facebook members	94% (268)

Notes: represents household income; 1 = under $20,000, 2 =$20,000–$34,999, 3 =$35,000–$49,999, 4 =$50,000–$74,999, 5 =$75,000 or more;

1 = first year, 2 = sophomore, 3 = junior, 4 = senior;

converted from ordinal scale using mid-point of response category (e.g., 1–2 hours = 1 hour 30 minutes).