2.2. Study Sample 
underactive, cancer, breast cancer
CANCER, DUCTAL CARCINOMA IN SITU, DCIS, BREAST CANCER
Three hundred and twenty post-primary treatment breast cancer survivors were recruited through newspaper advertisements, cancer support groups, flyers posted in relevant locations (e.g., hospitals, physician offices, cancer centers/clinics), and areas frequented by women (e.g., retail stores, beauty salons). Eligible women met the following criteria: English speaking, between the ages of 18 and 70 years of age with a history of ductal carcinoma in situ (DCIS) or Stage I, II, or IIIA breast cancer and post-primary chemotherapy or radiation therapy, medically cleared for participation by their physician and underactive (participating in no more than 60 min of moderate intensity PA or no more than 30 min of vigorous intensity activity per week, on average, over the past 6 months).