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. 2008 Dec 17;34(5):539–550. doi: 10.1093/jpepsy/jsn126

Table II.

Characteristics of Internet Use (Intervention Participants Only, N = 82)

Characteristics Mean (SD; range) or percentages
Number of website visits (from automated tracking)a 23.2 (38.6; 0–233)
Minutes of website use (from automated tracking)a 112.1 (138.6; 0–623)
Minutes per week on study website (self-report)a 4.4 (4.9; 0–22.5)
Reasons for visiting study websiteb
    To learn new information 50.0%
    To communicate with other participants in the study 7.3%
    To communicate with YOUTH staff 11.0%
    Because it is fun 22.0%
    Because of the Caption Contest 18.3%
    To check my number of points earned 52.4%
    I like to see my feedback 28.1%
Like best about study websiteb
    The design 18.3%
    Learn new information 36.6%
    Communicating with other participants in the study 9.8%
    Communicating with YOUTH staff 11.0%
    It is fun 23.17%
    The Caption Contest 19.3%
    The points system 50.0%
    Seeing my feedback 26.8%
Like least about study websiteb
    The design 9.8%
    The information doesn't change quick enough 30.5%
    No one else uses the website 8.5%
    The points system 0.0%
    Communicating with other participants in the project 1.2%
    Communicating with staff on the project 0.0%
    Seeing my feedback 1.2%
Barriers to useb
    Too busy 69.5%
    The information doesn't change often enough 9.8%
    The website is boring 9.8%
Additional feedback
    Percent of girls who would recommend a website for future studies 70.7%

aAll website use variables represent the entire 2-year intervention period.

bAnswers not mutually exclusive.