Skip to main content
. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Contemp Clin Trials. 2008 Jan 17;29(4):537–546. doi: 10.1016/j.cct.2008.01.003

Table 2.

Cumulative Percentages of Women Located by the Days of Effort and Number of Contact Attempts by Characteristics at Mammography, RAMS study 2003–2006

Days of Effort
Number of Contact Attempts
Characteristics Number of women a Percent contacted b <= 30 <=60 <=90 <=3 <=6 <=9 <=12
Overall 227 70 44 58 60 53 67 69 69
Age
  Less than 40 10 60 50 60 60 50 60 60 60
  40<= age <50 112 64 41 54 57 48 61 63 63
  50<= age <65 83 73 40 56 59 54 69 73 73
  65+ 14 93 71 86 86 79 93 93 93
  p-value 0.09 0.16 0.17 0.24 0.19 0.08 0.06 0.08
Race/Ethnicity
  White 65 71 42 58 63 49 68 71 71
  African American 88 77 52 66 67 61 75 76 77
  Other c 36 67 44 53 56 50 61 64 64
  p-value 0.42 0.40 0.35 0.48 0.26 0.28 0.37 0.30
Case/Control
  Case 100 73 47 60 63 61 73 73 73
  Control 127 68 41 56 57 49 61 66 67
  p-value 0.39 0.36 0.54 0.40 0.03 0.07 0.27 0.32
a

unequal column totals reflect missing data.

b

percent located by end of study includes women requiring up to 490 days to locate and women requiring a maximum of 19 calls.

c

includes Hispanic/Latino or Middle Eastern ethnicity.