The GET FIT (Group Exercise Training for Functional Improvement after Treatment) trial is the first randomized controlled trial to test the efficacy of two specific and separate types of exercise training, tai chi and strength training, to reduce falls in older female cancer survivors. The purpose of the present study is to: 1) report on the feasibility of recruitment into the trial and 2) report on retention and adherence to the exercise trial. Women were recruited through cancer registries, clinician referral, letters to past research participants, self-referral and screening of electronic health records (EHR). Interested and eligible women were consented and randomized to participate in a strength training, tai chi, or flexibility (placebo control) exercise class two times a week for 6 months. Out of 1490 screened women, 442 began the study intervention and 52 withdrew before the 6 month intervention was complete resulting in an 88% retention rate. Women who withdrew from the study reported more worry about falls compared to those who did not withdraw (p
