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Table 7 Characteristics of Study Sample

From: Design and methods for a randomized clinical trial comparing three outreach efforts to improve screening mammography adherence

Age Eligible women at baseline in study database* Women opted out of intervention phase after broadcast letter PCP approved for possible intervention phase Women opted out of intervention phase at 1st intervention attempt Women eligible for reminder intervention study Women >= 18 months from last mammogram and intervention eligible
50-59 5,901 (31.88) 30 (3.44) 5,826 (33.62) 12 (20.69) 5,814 (33.66) 1,842 (35.27)
60-69 4,781 (25.83) 115 (13.17) 4,613 (26.62) 13 (22.41) 4,600 (26.63) 1,146 (21.94)
70-79 5,429 (29.33) 494 (56.59) 4,818 (27.80) 15 (25.86) 4,803 (27.81) 1,329 (25.45)
80-84 2,398 (12.96) 234 (26.80) 2,074 (11.97) 18 (31.03) 2,056 (11.90) 906 (17.35)
Total 18,509 873 17,331 58 17,273 5,223
  1. *All women 50-84 in FCHP for ≥24 months with current FC PCP and no mammogram in last 4 months
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