Table 1

Study participant demographicsa

Internet usage


Demographic variable

Overall

Average user (n = 216)

Problematic user (n = 8)


Mean age, yr (range)

18.78 (18 to 20)

18.78 (18 to 20)

18.88 (18 or 19)

Males

46%

48%

25%

Washington State

45%

46%

63%

Race and/or ethnicity

Caucasian

71%

70%

68%

Asian

18%

18%

25%

Multiracial

8%

8%

0

Other

4%

4%

0

PHQ-9 category

No depression

56%

58%

13%

Minimal depression symptoms

32%

32%

12%

Moderate depression

9%

7%

63%

Severe depression

3%

3%

12%


aPHQ-9, Patient Health Questionnaire 9.

Christakis et al. BMC Medicine 2011 9:77   doi:10.1186/1741-7015-9-77

Open Data