4 weeks (45-min sessions, 2x per week) of sitting meditation, based on MBSR. The sitting meditation condition consisted of three parts: (a) breathing techniques, (b) meditation, and (c) discussion. Participants in the sitting meditation group learned new types of sitting meditation each week. Participants in the sitting meditation group received a CD that consisted of audio meditations that they could follow along at home. The sitting meditation participants were encouraged to practice formal sitting meditation for 15 to 30 minutes every day and asked to record details of their practice on their daily home practice logs.

4 weeks(45-min sessions, 2x per week) of Hatha Yoga. The adolescent hatha yoga curriculum was used with permission from Shanti Generation Yoga © (2009) created by Abby Wills. The hatha yoga sessions consisted of three parts: (a) breathing techniques, (b) yoga poses, and (c) discussion. Participants in the hatha yoga group learned a series of new yoga poses each week, as well as reviewed old poses. During the first session, participants in the hatha yoga group received a DVD that contained five yoga lessons corresponding to the yoga poses being taught in the intervention. Participants were encouraged to practice the series of yoga poses at home for 15 to 30 minutes each day and record their home practice in their daily home practice logs.

4-week waitlist control condition. Completed all study measures at same time points as experimental groups. Were randomly assigned to one of the two active treatment conditions after completing the waitlist period.

4 weeks Sitting Meditation

Participants completed the AOSPAN prior to beginning their group condition (sitting meditation, Hatha yoga, or waitlist control) and again at the end of the 4-week intervention (waitlist) period.

Participants completed the PSS-10 prior to beginning their group condition (sitting meditation, Hatha yoga, or waitlist control) and again at the end of the 4-week intervention (waitlist) period.