A pilot of a video game (DDR) to promote physical activity and decrease sedentary screen time.

Objective: We examined the feasibility of Dance Dance Revolution (DDR), a dance video game, in participants' homes, to increase physical activity (PA) and to decrease sedentary screen time (SST).

Methods And Procedures: Sixty children (7.5 +/- 0.

A comparison of Web and print media for physical activity promotion among adolescent girls.

Purpose: To compare the effectiveness of a Web-based physical activity (PA) intervention with identical content delivered in a printed workbook among a sample of adolescent girls.

Methods: Participants consisted of 319 girls with home Internet access enrolled in four middle schools within one school district. A randomized trial design was used to compare changes in PA self-efficacy and intentions after two weeks of exposure to either a Web- or print-based intervention delivered to their home.