: Inadequate physical activity (PA) in childhood cancer survivors may lead to compromised health outcomes. The purpose of this pilot study was to evaluate the feasibility and effect of a PA intervention in childhood cancer survivors ages 8–12 who report < 1 hour of moderate-to-vigorous physical (MVPA) per day.
Twenty survivors were randomized to a 6-month group PA intervention or to a control group. A pre/post measure of MVPA was completed by all participants, and a pre/post measure of self-efficacy was completed by the intervention group. Analysis included measures of feasibility, change in percentage of awake time spent in MVPA, self-efficacy scores, and correlations in MVPA and self-efficacy.
All feasibility parameters were confirmed. Increases in percent of awake time spent in MVPA were seen in 67% of the intervention group and 14% of the control group. A medium effect size (r = 0.55) was calculated for the correlation between change in MVPA and change in total self-efficacy scores; the largest effect size (r = 0.62) was found for the subscale for adequacy.
Increases in MVPA can be seen in childhood cancer survivors who participate in a group intervention that includes support of self-efficacy.
Ruble (email@example.com) is with the Dept of Pediatric Oncology, School of Medicine, Johns Hopkins University, Baltimore, MD. Scarvalone and Gallicchio are with the Prevention and Research Center, Mercy Medical Center, Baltimore, MD. Davis is with the Institute of Public and Preventive Health, Georgia Regents University, Augusta, GA. Wells is with the Dept of Pediatric Oncology, University of Maryland, Baltimore, MD.