Fig. 4From: Recruitment of young adult cancer survivors into a randomized controlled trial of an mHealth physical activity interventionRecruitment of subgroups by A social media and B direct mailing. Percentages are within subgroup (e.g., within male/female, percent of sample recruited via direct mailing; among males, 72.5% recruited via direct mailing and 27.5% not recruited via direct mailing; among females, 33.6% recruited via direct mailing and 66.4% not recruited via direct mailing)Back to article page